BEVEL & OUTSIDE DIAMETERNC-26 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
3.500 88.90 3.547 90.09 Drill Collar + Lift Sub 3.250 82.55 3.282 83.363.343 84.91 3.407 86.54 Tool Joints 3.250 82.55 3.282 83.36
Note : Tool Joints lengthminimum 8.000" ±1/4"
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
3-3/8 (3.375) 85.73 3-7/32 (3.219) 81.76 3-9/32 (3.281) 83.34 3-19/64 (3.297) 83.74 3-21/64 (3.328) 84.533-1/2 (3.500) 88.90 –– –– –– –– 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.333-5/8 (3.625) 92.08 3-5/16 (3.313) 84.15 3-15/32 (3.469) 88.11 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.333-7/8 (3.875) 98.43 3-5/16 (3.313) 84.15 3-21/32 (3.656) 92.86 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.33
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
3-3/8 (3.375) 85.73 3-17/64 (3.265) 82.93 3-3/8 (3.375) 85.725 3-1/4 (3.25) 82.550 3-3/8 (3.375)3-1/2 (3.500) 88.90 3-17/64 (3.265) 82.93 3-5/8 (3.625) 92.075 3-7/16 (3.4375) 87.313 3-9/16 (3.563)3-5/8 (3.625) 92.08 3-29/64 (3.453) 87.71 3-7/8 (3.875) 98.425 3-5/8 (3.625) 92.075 3-3/4 (3.75)3-3/4 (3.750) 95.25 3-29/64 (3.453) 87.713-7/8 (3.875) 98.43 3-41/64 (3.640) 92.46
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-31 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
4.125 104.77 4.188 106.38 Drill Collar + Lift Sub 3.937 100.00 3.969 100.814.093 103.96 4.157 105.59 Tool Joints 3.937 100.00 3.969 100.814.343 110.31 4.407 111.94 Note : Tool Joints length 3.937 100.00 3.969 100.81
minimum 9.000" ±1/4"
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
4-1/8 (4.125) 104.78 3-7/8 (3.875) 98.43 3-31/32 (3.969) 100.81 4-3/64 (3.047) 77.39 4-5/64 (4.078) 103.584-3/8 (4.375) 111.13 3-31/32 (3.969) 100.81 4-5/32 (4.156) 105.56 4-3/64 (3.047) 77.39 4-21/64 (4.328) 109.93
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
4-1/8 (4.125) 104.78 3-61/64 (3.953) 100.41 4-1/8 (4.125) 104.775 3-15/16 (3.938) 100.013 4-1/16 (4.063)4-1/4 (4.250) 107.95 3-61/64 (3.953) 100.41 4-3/8 (4.375) 111.125 3-1/8 (3.125) 79.375 4-1/4 (4.25)4-3/8 (4.375) 111.13 4-9/64 (4.140) 105.16
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-35 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
4.750 120.65 4.828 122.63 Drill Collar + Lift Sub 4.500 114.30 4.532 115.11
Drill co. Standard
Outside Diameter Bevel Diameter
inch mm inch mm4.750 120.65 4.516 114.71
BEVEL & OUTSIDE DIAMETERNC-38 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
5.000 127.00 5.078 128.98 Drill Collar + Lift Sub 4.750 120.65 4.782 121.464.718 119.84 4.782 121.46 Tool Joints 4.562 115.87 4.594 116.694.968 126.19 5.032 127.81 Note : Tool Joints length 4.562 115.87 4.594 116.69
minimum 10.500" ±1/4"
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
4-3/4 (4.750) 120.65 4-1/2 (4.500) 114.30 4-19/32 (4.594) 116.69 4-43/64 (4.672) 118.67 4-45/64 (4.703) 119.465 (5.000) 127.00 4-21/32 (4.656) 118.26 4-25/32 (4.781) 121.44 4-55/64 (4.859) 123.42 4-61/64 (4.953) 125.81
5-1/4 (5.250) 133.35 4-25/32 (4.781) 121.44 4-31/32 (4.969) 126.21 4-55/64 (4.859) 123.42 5-5/32 (5.156) 130.96
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
4-3/4 (4.750) 120.65 4-37/64 (4.578) 116.28 4-3/4 (4.750) 120.650 4-9/16 (4.563) 115.888 4-11/16 (4.688)4-7/8 (4.875) 123.83 4-37/64 (4.578) 116.28 5(5.000) 127.000 4-3/4 (4.750) 120.650 4-7/8 (4.875)
5 (5.000) 127.00 4-49/64 (4.765) 121.03 5-1/4 (5.250) 133.350 4-15/16 (4.938) 125.413 5-1/16 (5.063)5-1/8 (5.125) 130.18 4-49/64 (4.765) 121.035-1/4 (5.250) 133.35 4-61/64 (4.953) 125.81
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-44 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
6.000 152.40 6.125 155.58 Drill Collars + Lift Sub 5.672 144.07 5.704 144.886.250 158.75 6.375 161.92 5.859 148.82 5.891 149.63
Drill co. Standard
Outside Diameter Bevel Diameter
inch mm inch mm5.750 146.05 5.500 139.707.625 193.68 5.500 139.707.750 196.85 5.688 144.487.875 200.03 5.688 144.488.000 203.20 5.875 149.23
BEVEL & OUTSIDE DIAMETERNC-46 BOX
API Spec. 7-1 Standard
Outside DiameterEquipment
Bevel DiameterMin Max Min Max
inch mm inch mm inch mm mm6.250 158.75 6.375 161.92 Drill Collar + Lift Subs 6.250 158.75 5.922 150.426.500 165.10 6.625 168.27 6.500 165.10 6.110 155.196.750 171.45 6.906 175.41 6.750 171.45 6.297 159.945.968 151.59 6.032 153.21 Tool Joints 5.703 144.86 5.735 145.676.218 157.94 6.282 159.56 Note : Tool Joints length 5.703 144.86 5.735 145.67
minimum 10.000" ±1/4"
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
6 (6.000) 152.40 5-19/32 (5.594) 142.09 5-3/4 (5.750) 146.05 5-27/32 (5.844) 148.44 5-61/64 (5.953) 151.136-1/4 (6.250) 158.75 5-3/4 (5.750) 146.05 5-15/16 (5.938) 150.83 5-27/32 (5.844) 148.44 6-7/64 (6.109) 155.176-1/2 (6.500) 165.10 5-25/32 (5.156) 130.96 6-1/8 (6.125) 155.58 5-27/32 (5.844) 148.44 6-7/64 (6.109) 155.176-3/4 (6.750) 171.45 5-25/32 (5.156) 130.96 6-5/16 (6.313) 160.35 5-27/32 (5.844) 148.44 6-7/64 (6.109) 155.17
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
6 (6.000) 152.40 5-23/32 (5.718) 145.24 6(6.000) 152.400 5-45/64 (5.703) 144.859 5-53/64 (5.828)6-1/8 (6.125) 155.58 5-23/32 (5.718) 145.24 6-1/4 (6.250) 158.750 5-57/64 (5.891) 149.622 6-1/64 (6.016)6-1/4 (6.250) 158.75 5-29/32 (5.906) 150.01 6 1/2 (6.500) 165.100 6-5/64 (6.078) 154.384 6 13/64 (6.203)6-3/8 (6.375) 161.93 5-29/32 (5.906) 150.01 6-3/4 (6.750) 171.450 6-17/64 (6.266) 159.147 6 25/64 (6.391)6-1/2 (6.500) 165.10 6-3/32 (6.093) 154.766-5/8 (6.625) 168.28 6-3/32 (6.093) 154.766-3/4 (6.750) 171.45 6-9/32 (6.281) 159.54
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-50 BOX
API Spec. 7-1 Standard
Outside DiameterEquipment
Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
7.000 177.80 7.156 181.76 Drill Collar + Lift Subs 6.468 164.29 6.500 165.107.250 184.15 7.406 188.11 6.656 169.06 6.688 169.886.609 167.87 6.657 169.09 Tool Joints 6.047 153.59 6.079 154.41
Note : Tool Joints lengthminimum 10.000" ±1/4"
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
6-1/4 (6.250) 158.75 5-29/32 (5.906) 150.01 5-15/16 (5.938) 150.83 6-11/64 (6.172) 156.77 6-13/64 (6.203) 157.566-3/8 (6.375) 161.93 5-31/32 (5.969) 151.61 6-1/8 (6.125) 155.58 6-19/64 (6.297) 159.94 6-21/64 (6.328) 160.736-5/8 (6.635) 168.52 6-1/8 (6.125) 155.58 6-5/16 (6.313) 160.35 6-7/16 (6.438) 163.53 6-37/64 (6.578) 167.086-7/8 (6.875) 174.63 6-1/4 (6.250) 158.75 6-1/2 (6.500) 165.10 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.64
7 (7.000) 177.80 –– –– –– –– 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.647-1/8 (7.125) 180.98 6-11/32 (6.344) 161.14 6-11/16 (6.688) 169.88 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.647-1/4 (7.250) 184.15 –– –– –– –– 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.64
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
6-1/4 (6.250) 158.75 5-59/64 (5.921) 150.39 6-1/4 (6.250) 158.750 5-29/32 (5.906) 150.019 6-1/32 (6.031)6-3/8 (6.375) 161.93 6-7/64 (6.109) 155.17 6-3/8 (6.375) 161.925 6-3/32 (6.094) 154.781 6-7/32 (6.219)6-1/2 (6.500) 165.10 6-7/64 (6.109) 155.17 6-5/8 (6.625) 168.275 6-9/32 (6.281) 159.544 6-13/32 (6.406)6-5/8 (6.693) 170.00 6-19/64 (6.296) 159.92 6-7/8 (6.875) 174.625 6-15/32 (6.469) 164.306 6-19/32 (6.594)6-3/4 (6.750) 171.45 6-19/64 (6.296) 159.92 7-1/8 (7.125) 180.975 6-21/32 (6.656) 169.069 6-25/32 (6.781)6-7/8 (6.875) 174.63 6-31/64 (6.484) 164.69
7 (7.000) 177.80 6-31/64 (6.484) 164.697-1/8 (7.125) 180.98 6-43/64 (6.671) 169.447-1/4 (7.250) 184.15 6-43/64 (6.671) 169.44
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-56 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm mm
6.968 176.99 7.032 178.61 Square/Hexagon Kelly 6.718 170.64 6.750 171.457.750 196.85 7.906 200.81 Drill Collars + Lift Subs 7.281 184.94 7.313 185.758.000 203.20 8.156 207.16 7.468 189.69 7.500 190.50
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
7-1/2 (7.500) 190.50 7-1/32 (7.031) 178.59 7-1/8 (7.125) 180.98 7-15/64 (7.234) 183.74 7-29/64 (7.453) 189.317-3/4 (7.750) 196.85 7-1/8 (7.125) 180.98 7-5/8 (7.625) 193.68 7-15/64 (7.234) 183.74 7-45/64 (7.703) 195.66
8 (8.000) 203.20 7-5/32 (7.156) 181.76 7-1/2 (7.500) 190.50 7-15/64 (7.234) 183.74 7-57/64 (7.891) 200.43
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
7.500 190.50 7.109 180.57 7-1/2 (7.500) 190.50 7-3/32 (7.094) 180.19 7-7/32 (7.219)7.625 193.68 7.109 180.57 7-3/4 (7.750) 196.85 7-9/32 (7.281) 184.94 7-13/32 (7.406)7.750 196.85 7.297 185.34 8(8.000) 203.20 7-15/32 (7.469) 189.71 7-19/32 (7.594)7.875 200.03 7.297 185.348.000 203.20 7.484 190.09
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-61 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
9.000 9.188 Drill Collars + Lift Sub 8.359 212.32 8.391 213.13
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
8-1/4 (8.250) 209.55 7-23/32 (7.719) 196.06 7-13/16 (7.813) 198.45 7-15/16 (7.938) 201.63 8-13/64 (8.203) 208.368-1/2 (8.500) 215.90 7-27/32 (7.844) 199.24 8 (8.000) 203.20 7-15/16 (7.938) 201.63 8-29/64 (8.453) 214.718-3/4 (8.750) 222.25 7-27/32 (7.844) 199.24 8-3/16 (8.188) 207.98 7-15/16 (7.938) 201.63 8-45/64 (8.703) 221.06
9 (9.000) 228.60 7-27/32 (7.844) 199.24 8-3/8 (8.375) 212.73 7-15/16 (7.938) 201.63 8-29/32 (8.906) 226.21
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
8.250 209.55 7.813 198.45 8-1/4 (8.250) 209.55 7-51/64 (7.797) 198.04 7-59/64 (7.922)8.375 212.73 7.813 198.45 8-1/2 (8.500) 215.90 7-63/64 (7.984) 202.79 8-7/64 (8.109)8.500 215.90 8.000 203.20 8-3/4 (8.750) 222.25 8-11/64 (8.172) 207.57 8-19/64 (8.297)8.625 219.08 8.000 203.20 9 (9.000) 228.60 8-23/64 (8.359) 212.32 8-31/64 (8.484)8.750 222.25 8.188 207.988.875 225.43 8.188 207.989.000 228.60 8.375 212.73
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-70 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
9.750 247.65 10.000 254.00 Drill Collars + Lift Sub 9.140 232.156 9.172 232.9710.000 254.00 10.250 260.35 9.328 236.9312 9.360 237.74
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
9-1/2 (9.500) 241.30 8-27/32 (8.844) 224.64 9-9/32 (9.281) 235.74 9-7/64 (9.109) 231.37 9-29/64 (9.453) 240.119-3/4 (9.750) 247.65 8-31/32 (8.969) 227.81 9-3/16 (9.188) 233.38 9-7/64 (9.109) 231.37 9-45/64 (9.703) 246.4610 (10.000) 254.00 9 (9.000) 228.60 9-3/8 (9.375) 238.13 9-7/64 (9.109) 231.37 9-61/64 (9.953) 252.81
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
9.500 241.30 8.969 227.81 9-1/2 (9.500) 241.30 8-61/64 (8.953) 227.40 9-5/64 (9.078)9.750 247.65 9.156 232.56 9-3/4 (9.750) 247.65 9-9/64 (9.141) 232.18 9-17/64 (9.266)
10.000 254.00 9.344 237.34 10 (10.000) 254.00 9-21/64 (9.328) 236.93 9-29/64 (9.453)
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-77 BOX
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
11 (11.00) 279.40 9-27/32 (9.844) 247.65 10-9/32 (10.281) 261.14 9-31/32 (9.969) 253.21 10-61/64 (10.953) 278.21
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch
11.000 279.40 10.266 260.76 11 (11.000) 279.40 10-1/4 (10.250) 260.35 10-3/8 (10.375)
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETER5-1/2" INTERNAL FLUSH BOX
Drill co. Standard
Outside Diameter Bevel Diameter
inch mm inch mm7-1/2 (7.500) 190.50 7-9/64 (7.141) 181.387-5/8 (7.625) 193.68 7-21/64 (7.328) 186.137-3/4 (7.750) 196.85 7-21/64 (7.328) 186.137-7/8 (7.875) 200.03 7-33/64 (7.516) 190.91
8 (8.000) 203.20 7-33/64 (7.516) 190.918-1/4 (8.250) 209.55 7-45/64 (7.703) 195.668-1/2 (8.500) 215.90 7-57/64 (7.891) 200.438-3/4 (8.750) 222.25 8-5/64 (8.078) 205.18
9 (9.000) 228.60 8-17/64 (8.266) 209.96
BEVEL & OUTSIDE DIAMETER1" REGULAR BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm Roller Bit/Blade Drag Bit inch mm inch mm
1.750 44.45 2.240 56.90 Bit Sub Bevel 1.452 36.88 1.484 37.691.750 44.45 2.240 56.90 Bit Bevel 1.484 37.69 1.516 38.51
Diamond Bit/PDC Bit
1.750 44.45 2.240 56.90 Bit Sub Bevel 1.484 37.69 1.516 38.511.750 44.45 2.240 56.90 Bit Bevel 1.516 38.51 1.548 39.32
BEVEL & OUTSIDE DIAMETER1-1/2" REGULAR BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
2.250 57.15 3.490 88.65 Bit Sub Bevel 1.916 48.67 1.948 49.482.250 57.15 3.490 88.65 Bit Bevel 1.948 49.48 1.980 50.29
BEVEL & OUTSIDE DIAMETERNC-26 PIN
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
3.343 84.91 3.407 86.54 Square/Hexagon Kelly 3.250 82.55 3.282 83.363.343 84.91 3.407 86.54 Tool Joints 3.250 82.55 3.282 83.36
Note : Tool Joints lengthminimum 7.000" ±1/4"
DS-1 Standard
Outside DiameterBevel Diameter (OLD) * Bevel Diameter (NEW)
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
3-3/8 (3.375) 85.73 3-7/32 (3.219) 81.76 3-9/32 (3.281) 83.34 3-19/64 (3.297) 83.74 3-21/64 (3.328) 84.533-1/2 (3.500) 88.90 –– –– –– –– 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.333-5/8 (3.625) 92.08 3-5/16 (3.313) 84.15 3-15/32 (3.469) 88.11 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.333-7/8 (3.875) 98.43 3-5/16 (3.313) 84.15 3-21/32 (3.656) 92.86 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.33
Drill co. Standard NS-2 standard for Used BHA
Outside Diameter Bevel DiameterOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm inch mm inch mm
3-3/8 (3.375) 85.73 3-17/64 (3.265) 82.93 3-3/8 (3.375) 85.725 3-1/4 (3.25) 82.550 3-3/8 (3.375) 85.7253-1/2 (3.500) 88.90 3-17/64 (3.265) 82.93 3-5/8 (3.625) 92.075 3-7/16 (3.4375) 87.313 3-9/16 (3.563) 90.4883-5/8 (3.625) 92.08 3-29/64 (3.453) 87.71 3-7/8 (3.875) 98.425 3-5/8 (3.625) 92.075 3-3/4 (3.75) 95.2503-3/4 (3.750) 95.25 3-29/64 (3.453) 87.713-7/8 (3.875) 98.43 3-41/64 (3.640) 92.46
* Effective on year 2008, but it is applied if requested by customer
BEVEL & OUTSIDE DIAMETERNC-26 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm3.500 88.90 3.547 90.09 Drill Collar + Lift Sub 3.250 82.55 3.282 83.363.343 84.91 3.407 86.54 Tool Joints 3.250 82.55 3.282 83.36
Note : Tool Joints lengthminimum 8.000" ±1/4"
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm3.375 85.73 3.422 86.92
Drill Collar
3.312 84.12 3.344 84.943.500 88.90 3.563 90.49 3.312 84.12 3.344 84.943.625 92.08 3.688 93.66 3.437 87.30 3.469 88.113.750 95.25 3.813 96.84 3.437 87.30 3.469 88.113.875 98.43 3.938 100.01 3.625 92.08 3.657 92.89
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
3-3/8 (3.375) 85.73 3-19/64 (3.297) 83.74 3-21/64 (3.328) 84.53 3-19/64 (3.297) 83.74 3-11/32 (3.344) 84.933-1/2 (3.500) 88.90 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.33 3-5/16 (3.313) 84.14 3-29/64 (3.453) 87.713-5/8 (3.625) 92.08 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.33 3-5/16 (3.313) 84.14 3-15/32 (3.469) 88.113-3/4 (3.750) 95.25 3-5/16 (3.313) 84.14 3-15/32 (3.469) 88.113-7/8 (3.875) 98.43 3-11/32 (3.344) 84.94 3-7/16 (3.438) 87.33 3-5/16 (3.313) 84.14 3-21/32 (3.656) 92.87
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
3-3/8 (3.375) 85.73 3-1/4 (3.25) 82.55 3-3/8 (3.375) 85.733-5/8 (3.625) 92.08 3-7/16 (3.4375) 87.31 3-9/16 (3.563) 90.493-7/8 (3.875) 98.43 3-5/8 (3.625) 92.08 3-3/4 (3.75) 95.25
BEVEL & OUTSIDE DIAMETERNC-31 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm4.125 104.77 4.188 106.38 Drill Collar + Lift Sub 3.937 100.00 3.969 100.814.093 103.96 4.157 105.59 Tool Joints 3.937 100.00 3.969 100.814.343 110.31 4.407 111.94 Note : Tool Joints length 3.937 100.00 3.969 100.81
minimum 9.000" ±1/4"
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm4.125 104.78 4.188 106.36
Drill Collar3.984 101.19 4.016 102.01
4.250 107.95 4.313 109.54 3.984 101.19 4.016 102.014.375 111.13 4.438 112.71 4.125 104.78 4.157 105.59
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
4-1/8 (4.125) 104.78 4-3/64 (4.047) 102.79 4-5/64 (4.078) 103.58 3-63/64 (3.984) 101.20 4-5/64 (4.078) 103.584-1/4 (4.250) 107.95 3-63/64 (3.984) 101.20 4-13/64 (4.203) 106.764-3/8 (4.375) 111.13 4-3/64 (4.047) 102.79 4-21/64 (4.328) 109.93 3-63/64 (3.984) 101.20 4-21/64 (4.328) 109.93
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
4-1/8 (4.125) 104.78 3-15/16 (3.938) 100.013 4-1/16 (4.063) 103.1884-3/8 (4.375) 111.13 3-1/8 (3.125) 79.375 4-1/4 (4.25) 107.950
BEVEL & OUTSIDE DIAMETERNC-35 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Equipment Min Maxinch mm inch mm inch mm inch mm4.750 120.65 4.828 122.63 Drill Collar + Lift Sub 4.500 114.30 4.532 115.11
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm4.500 114.30 4.578 116.28
Drill Collar4.328 109.93 4.360 110.74
4.625 117.48 4.703 119.46 4.328 109.93 4.360 110.744.750 120.65 4.828 122.63 4.500 114.30 4.532 115.11
BEVEL & OUTSIDE DIAMETERNC-38 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm5.000 127.00 5.078 128.98 Drill Collar + Lift Sub 4.750 120.65 4.782 121.464.718 119.84 4.782 121.46 Tool Joints 4.562 115.87 4.594 116.694.968 126.19 5.032 127.81 Note : Tool Joints length 4.562 115.87 4.594 116.69
minimum 10.500" ±1/4"
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm4.750 120.65 4.828 122.63
Drill Collar
4.625 117.48 4.657 118.294.875 123.83 4.953 125.81 4.625 117.48 4.657 118.295.000 127.00 5.078 128.98 4.750 120.65 4.782 121.465.125 130.18 5.203 132.16 4.750 120.65 4.782 121.465.250 133.35 5.328 135.33 4.937 125.40 4.969 126.21
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
4-3/4 (4.750) 120.65 4-43/64 (4.672) 118.67 4-45/64 (4.703) 119.46 4-39/64 (4.609) 117.078 4-45/64 (4.703) 119.464-7/8 (4.875) 123.83 4-39/64 (4.609) 117.078 4-53/64 (4.828) 122.63
5 (5.000) 127.00 4-55/64 (4.859) 123.42 4-61/64 (4.953) 125.81 4-39/64 (4.609) 117.078 4-61/64 (4.953) 125.815-1/8 (5.125) 130.18 4-39/64 (4.609) 117.078 5-5/64 (5.078) 128.985-1/4 (5.250) 133.35 4-55/64 (4.859) 123.42 5-5/32 (5.156) 130.96 4-39/64 (4.609) 117.078 5-5/64 (5.078) 128.98
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
4-3/4 (4.750) 120.65 4-9/16 (4.563) 115.89 4-11/16 (4.688) 119.065 (5.000) 127.00 4-3/4 (4.750) 120.65 4-7/8 (4.875) 123.83
5-1/4 (5.250) 133.35 4-15/16 (4.938) 125.41 5-1/16 (5.063) 128.59
BEVEL & OUTSIDE DIAMETER
NC-40 BOX
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm5.250 133.35 5.328 135.33
Drill Collar
5.031 127.79 5.063 128.605.375 136.53 5.453 138.51 5.031 127.79 5.063 128.605.500 139.70 5.625 142.88 5.187 131.75 5.219 132.565.625 142.88 5.750 146.05 5.187 131.75 5.219 132.565.750 146.05 5.875 149.23 5.375 136.53 5.407 137.34
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
5-1/4 (5.250) 133.35 5-7/64 (5.109) 129.77 5-13/64 (5.203) 132.16 5-1/32 (5.031) 127.79 5-13/64 (5.203) 132.165-3/8 (5.375) 136.53 5-1/32 (5.031) 127.79 5-21/64 (5.328) 135.335-1/2 (5.500) 139.70 5-7/64 (5.109) 129.77 5-13/32 (5.406) 137.31 5-1/32 (5.031) 127.79 5-27/64 (5.422) 137.725-5/8 (5.625) 142.88 5-1/32 (5.031) 127.79 5-27/64 (5.422) 137.725-3/4 (5.750) 146.05 5-7/64 (5.109) 129.77 5-13/32 (5.406) 137.31 5-1/32 (5.031) 127.79 5-27/64 (5.422) 137.72
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
5-1/4 (5.250) 133.35 5- (5.000) 127.00 5-1/8 (5.125) 130.185-1/2 (5.500) 139.70 5-3/16 (5.188) 131.78 5-5/16 (5.313) 134.955-3/4 (5.750) 146.05 5-3/8 (5.375) 136.53 5-1/2 (5.500) 139.70
BEVEL & OUTSIDE DIAMETERNC-44 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm6.000 152.40 6.125 155.58 Drill Collars + Lift Sub 5.672 144.07 5.704 144.886.250 158.75 6.375 161.92 5.859 148.82 5.891 149.63
API Spec. 7-2 Standard
Outside DiameterEquipment
Bevel DiameterMin Max Min Max
inch mm inch mm inch mm inch mm5.500 139.70 5.625 142.88
Drill Collar
5.422 137.72 5.454 138.535.625 142.88 5.750 146.05 5.422 137.72 5.454 138.535.750 146.05 5.875 149.23 5.484 139.29 5.516 140.115.875 149.23 6.000 152.40 5.484 139.29 5.516 140.116.000 152.40 6.125 155.58 5.672 144.07 5.704 144.886.125 155.58 6.250 158.75 5.672 144.07 5.704 144.886.250 158.75 6.375 161.93 5.859 148.82 5.891 149.63
BEVEL & OUTSIDE DIAMETERNC-46 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm mm6.250 158.75 6.375 161.92 Drill Collar + Lift Subs 6.250 158.75 5.922 150.426.500 165.10 6.625 168.27 6.500 165.10 6.110 155.196.750 171.45 6.906 175.41 6.750 171.45 6.297 159.945.968 151.59 6.032 153.21 Tool Joints 5.703 144.86 5.735 145.676.218 157.94 6.282 159.56 Note : Tool Joints length 5.703 144.86 5.735 145.67
minimum 10.000" ±1/4"
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm6.000 152.40 6.125 155.58
Drill Collar
5.703 144.86 5.735 145.676.125 155.58 6.250 158.75 5.703 144.86 5.735 145.676.250 158.75 6.375 161.93 5.890 149.61 5.922 150.426.375 161.93 6.500 165.10 5.890 149.61 5.922 150.426.500 165.10 6.656 169.07 6.078 154.38 6.110 155.196.625 168.28 6.781 172.24 6.078 154.38 6.110 155.196.750 171.45 6.906 175.42 6.265 159.13 6.297 159.946.875 174.63 7.031 178.59 6.265 159.13 6.297 159.94
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
6 (6.000) 152.40 5-27/32 (5.844) 148.44 5-61/64 (5.953) 151.13 5-45/64 (5.703) 144.86 5-61/64 (5.953) 151.216-1/8 (6.125) 155.58 5-45/64 (5.703) 144.86 6-5/64 (6.078) 154.386-1/4 (6.250) 158.75 5-27/32 (5.844) 148.44 6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-13/64 (6.203) 157.566-3/8 (6.375) 161.93 5-45/64 (5.703) 144.86 6-19/64 (6.297) 159.946-1/2 (6.500) 165.10 5-27/32 (5.844) 148.44 6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297) 159.946-5/8 (6.625) 168.28 5-45/64 (5.703) 144.86 6-19/64 (6.297) 159.946-3/4 (6.750) 171.45 5-27/32 (5.844) 148.44 6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297) 159.946-7/8 (6.875) 174.63 5-45/64 (5.703) 144.86 6-19/64 (6.297) 159.94
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
6(6.000) 152.400 5-45/64 (5.703) 144.859 5-53/64 (5.828) 148.0346-1/4 (6.250) 158.750 5-57/64 (5.891) 149.622 6-1/64 (6.016) 152.7976 1/2 (6.500) 165.100 6-5/64 (6.078) 154.384 6 13/64 (6.203) 157.5596-3/4 (6.750) 171.450 6-17/64 (6.266) 159.147 6 25/64 (6.391) 162.322
BEVEL & OUTSIDE DIAMETERNC-50 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm7.000 177.80 7.156 181.76 Drill Collar + Lift Subs 6.468 164.29 6.500 165.107.250 184.15 7.406 188.11 6.656 169.06 6.688 169.886.609 167.87 6.657 169.09 Tool Joints 6.047 153.59 6.079 154.41
Note : Tool Joints lengthminimum 10.000" ±1/4"
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm6.375 161.93 6.531 165.89
Drill Collar
6.328 160.73 6.360 161.546.500 165.10 6.656 169.07 6.328 160.73 6.360 161.546.625 168.28 6.781 172.24 6.328 160.73 6.360 161.546.750 171.45 6.906 175.42 6.328 160.73 6.360 161.546.875 174.63 7.031 178.59 6.468 164.29 6.500 165.107.000 177.80 7.156 181.77 6.468 164.29 6.500 165.107.125 180.98 7.281 184.94 6.656 169.06 6.688 169.887.250 184.15 7.406 188.12 6.656 169.06 6.688 169.88
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
6-1/4 (6.250) 158.75 6-11/64 (6.172) 156.77 6-13/64 (6.203) 157.56 6-11/64 (6.172) 156.77 6-13/64 (6.203) 157.566-3/8 (6.375) 161.93 6-19/64 (6.297) 159.94 6-21/64 (6.328) 160.73 6-19/64 (6.297) 159.94 6-23/64 (6.359) 161.536-1/2 (6.500) 165.10 6-21/64 (6.328) 160.73 6-29/64 (6.453) 163.916-5/8 (6.625) 168.28 6-7/16 (6.438) 163.53 6-37/64 (6.578) 167.08 6-21/64 (6.328) 160.73 6-37/64 (6.578) 167.086-3/4 (6.750) 171.45 6-21/64 (6.328) 160.73 6-45/64 (6.703) 170.266-7/8 (6.875) 174.63 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797) 172.64
7 (7.000) 177.80 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797) 172.647-1/8 (7.125) 180.98 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797) 172.647-1/4 (7.250) 184.15 6-7/16 (6.438) 163.53 6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797) 172.64
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
6-1/4 (6.250) 158.750 5-29/32 (5.906) 150.019 6-1/32 (6.031) 153.1946-3/8 (6.375) 161.925 6-3/32 (6.094) 154.781 6-7/32 (6.219) 157.9566-5/8 (6.625) 168.275 6-9/32 (6.281) 159.544 6-13/32 (6.406) 162.7196-7/8 (6.875) 174.625 6-15/32 (6.469) 164.306 6-19/32 (6.594) 167.4817-1/8 (7.125) 180.975 6-21/32 (6.656) 169.069 6-25/32 (6.781) 172.244
BEVEL & OUTSIDE DIAMETERNC-56 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm mm6.968 176.99 7.032 178.61 Square/Hexagon Kelly 6.718 170.64 6.750 171.457.750 196.85 7.906 200.81 Drill Collars + Lift Subs 7.281 184.94 7.313 185.758.000 203.20 8.156 207.16 7.468 189.69 7.500 190.50
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm7.250 184.15 7.406 188.12
Drill Collar
7.062 179.37 7.094 180.197.375 187.33 7.531 191.29 7.062 179.37 7.094 180.197.500 190.50 7.656 194.47 7.093 180.16 7.125 180.987.625 193.68 7.781 197.64 7.093 180.16 7.125 180.987.750 196.85 7.906 200.82 7.281 184.94 7.313 185.757.875 200.03 8.031 203.99 7.281 184.94 7.313 185.758.000 203.20 8.156 207.17 7.468 189.69 7.500 190.50
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
7-1/4 (7.250) 184.15 7-1/16 (7.063) 179.39 7-13/64 (7.203) 182.967-3/8 (7.375) 187.33 7-1/16 (7.063) 179.39 7-21/64 (7.328) 186.137-1/2 (7.500) 190.50 7-15/64 (7.234) 183.74 7-29/64 (7.453) 189.31 7-1/16 (7.063) 179.39 7-29/64 (7.453) 189.317-5/8 (7.625) 193.68 7-1/16 (7.063) 179.39 7-37/64 (7.578) 192.487-3/4 (7.750) 196.85 7-15/64 (7.234) 183.74 7-45/64 (7.703) 195.66 7-1/16 (7.063) 179.39 7-45/64 (7.703) 195.667-7/8 (7.875) 200.03 7-1/16 (7.063) 179.39 7-53/64 (7.828) 198.83
8 (8.000) 203.20 7-15/64 (7.234) 183.74 7-57/64 (7.891) 200.43 7-1/16 (7.063) 179.39 7-29/32 (7.906) 200.82
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
7-1/2 (7.500) 190.50 7-3/32 (7.094) 180.19 7-7/32 (7.219) 183.367-3/4 (7.750) 196.85 7-9/32 (7.281) 184.94 7-13/32 (7.406) 188.11
8(8.000) 203.20 7-15/32 (7.469) 189.71 7-19/32 (7.594) 192.89
BEVEL & OUTSIDE DIAMETERNC-61 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm9.000 9.188 Drill Collars + Lift Sub 8.359 212.32 8.391 213.13
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm8.000 203.20 8.156 207.17
Drill Collar
7.750 196.85 7.782 197.668.250 209.55 8.438 214.31 7.796 198.02 7.828 198.838.375 212.73 8.563 217.49 7.796 198.02 7.828 198.838.500 215.90 8.688 220.66 7.984 202.79 8.016 203.618.625 219.08 8.813 223.84 7.984 202.79 8.016 203.618.750 222.25 8.938 227.01 8.172 207.57 8.204 208.388.875 225.43 9.063 230.19 8.172 207.57 8.204 208.389.000 228.60 9.188 233.36 8.359 212.32 8.391 213.13
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
8 (8.000) 203.20 7-47/64 (7.734) 196.45 7-61/64 (7.953) 202.018-1/8 (8.125) 206.38 7-47/64 (7.734) 196.45 8-5/64 (8.078) 205.188-1/4 (8.250) 209.55 7-15/16 (7.938) 201.63 8-13/64 (8.203) 208.36 7-47/64 (7.734) 196.45 8-13/64 (8.203) 208.368-3/8 (8.375) 212.73 7-47/64 (7.734) 196.45 8-21/64 (8.328) 211.538-1/2 (8.500) 215.90 7-15/16 (7.938) 201.63 8-29/64 (8.453) 214.71 7-47/64 (7.734) 196.45 8-29/64 (8.453) 214.718-5/8 (8.625) 219.08 7-47/64 (7.734) 196.45 8-37/64 (8.578) 217.888-3/4 (8.750) 222.25 7-15/16 (7.938) 201.63 8-45/64 (8.703) 221.06 7-47/64 (7.734) 196.45 8-45/64 (8.703) 221.068-7/8 (8.875) 225.43 7-47/64 (7.734) 196.45 8-53/64 (8.828) 224.23
9 (9.000) 228.60 7-15/16 (7.938) 201.63 8-29/32 (8.906) 226.21 7-47/64 (7.734) 196.45 8-27/32 (8.844) 224.63
NS-2 standard for Used BHA
OD Greater Bevel DiameterOR=TO Min Max
inch mm inch mm inch mm8-1/4 (8.250) 209.55 7-51/64 (7.797) 198.04 7-59/64 (7.922) 201.228-1/2 (8.500) 215.90 7-63/64 (7.984) 202.79 8-7/64 (8.109) 205.978-3/4 (8.750) 222.25 8-11/64 (8.172) 207.57 8-19/64 (8.297) 210.74
9 (9.000) 228.60 8-23/64 (8.359) 212.32 8-31/64 (8.484) 215.49
BEVEL & OUTSIDE DIAMETERNC-70 BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm9.750 247.65 10.000 254.00 Drill Collars + Lift Sub 9.140 232.156 9.172 232.97
10.000 254.00 10.250 260.35 9.328 236.9312 9.360 237.74
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm9.250 234.95 9.438 239.71
Drill Collar
8.906 226.21 8.938 227.039.375 238.13 9.563 242.89 8.906 226.21 8.938 227.039.500 241.30 9.688 246.06 8.953 227.41 8.985 228.229.625 244.48 9.875 250.83 8.953 227.41 8.985 228.229.750 247.65 10.000 254.00 9.140 232.16 9.172 232.979.875 250.83 10.125 257.18 9.140 232.16 9.172 232.97
10.000 254.00 10.250 260.35 9.328 236.93 9.360 237.74
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm inch mm
9-1/4 (9.250) 234.95 8-57/64 (8.891) 225.82 9-13/64 (9.203) 233.769-3/8 (9.375) 238.13 8-57/64 (8.891) 225.82 9-21/64 (9.328) 236.939-1/2 (9.500) 241.30 9-7/64 (9.109) 231.37 9-29/64 (9.453) 240.11 8-57/64 (8.891) 225.82 9-29/64 (9.453) 240.119-5/8 (9.625) 244.48 8-57/64 (8.891) 225.82 9-37/64 (9.578) 243.289-3/4 (9.750) 247.65 9-7/64 (9.109) 231.37 9-45/64 (9.703) 246.46 8-57/64 (8.891) 225.82 9-45/64 (9.703) 246.469-7/8 (9.875) 250.83 8-57/64 (8.891) 225.82 9-53/64 (9.828) 249.6310 (10.000) 254.00 9-7/64 (9.109) 231.37 9-61/64 (9.953) 252.81 8-57/64 (8.891) 225.82 9-61/64 (9.953) 252.81
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
9-1/2 (9.500) 241.30 8-61/64 (8.953) 227.40 9-5/64 (9.078) 230.589-3/4 (9.750) 247.65 9-9/64 (9.141) 232.18 9-17/64 (9.266) 235.3610 (10.000) 254.00 9-21/64 (9.328) 236.93 9-29/64 (9.453) 240.11
BEVEL & OUTSIDE DIAMETERNC-77 BOX
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
10.500 266.70 10.750 273.05
Drill Collar
9.875 250.83 9.907 251.6410.625 269.88 10.875 276.22 9.875 250.83 9.907 251.6410.750 273.05 11.000 279.40 10.062 255.57 10.094 256.3910.875 276.22 11.125 282.58 10.062 255.57 10.094 256.3911.000 279.40 11.250 285.75 10.250 260.35 10.282 261.1611.125 282.58 11.375 288.93 10.250 260.35 10.282 261.16
DS-1 Standard
Outside Diameter Bevel Diameter Revised 2010 Bevel Diameter
Min Max Min Maxinch mm inch mm inch mm
10-1/2 (10.500) 266.70 9-51/64 (9.797) 248.84 10-29/64 (10.453) 265.5110-5/8 (10.625) 269.88 9-51/64 (9.797) 248.84 10-37/64 (10.578) 268.6810-3/4 (10.750) 273.05 9-51/64 (9.797) 248.84 10-45/64 (10.703) 271.8610-7/8 (10.875) 276.23 9-51/64 (9.797) 248.84 10-53/64 (10.828) 275.03
11 (11.000) 279.40 9-51/64 (9.797) 248.84 10-61/64 (10.953) 278.21 9-51/64 (9.797) 248.84 10-61/64 (10.953) 278.2111-1/8 (11.125) 282.58 9-51/64 (9.797) 248.84 11-5/64 (11.078) 281.38
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Min Maxinch mm inch mm inch mm
11 (11.000) 279.40 10-1/4 (10.250) 260.35 10-3/8 (10.375) 263.53
BEVEL & OUTSIDE DIAMETER
1" REGULAR BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm
Roller Bit/Blade Drag Bit
1.750 44.45 2.240 56.90 Bit Sub Bevel 1.452 36.88 1.484 37.691.750 44.45 2.240 56.90 Bit Bevel 1.484 37.69 1.516 38.51
Diamond Bit/PDC Bit
1.750 44.45 2.240 56.90 Bit Sub Bevel 1.484 37.69 1.516 38.511.750 44.45 2.240 56.90 Bit Bevel 1.516 38.51 1.548 39.32
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm1.563 39.70 1.594 40.49
Drill Collar1.500 38.10 1.532 38.91
1.688 42.88 1.719 43.67 1.500 38.10 1.532 38.91
BEVEL & OUTSIDE DIAMETER1-1/2" REGULAR BOX
API Spec. 7-1 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm2.250 57.15 3.490 88.65 Bit Sub Bevel 1.916 48.67 1.948 49.482.250 57.15 3.490 88.65 Bit Bevel 1.948 49.48 1.980 50.29
API Spec. 7-2 StandardOutside Diameter
EquipmentBevel Diameter
Min Max Min Maxinch mm inch mm inch mm inch mm2.063 52.40 2.094 53.19
Drill Collar1.984 50.39 2.016 51.21
2.188 55.58 2.219 56.37 1.984 50.39 2.016 51.21
BEVEL & OUTSIDE DIAMETERNC-23 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm3.125 79.38 3.172 80.57
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm3.125 79.38 3.172 80.57
BEVEL & OUTSIDE DIAMETERNC-26 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm3.343 84.91 3.407 86.543.343 84.91 3.407 86.54
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm3.375 85.73 3.422 86.923.500 88.90 3.563 90.493.625 92.08 3.688 93.663.750 95.25 3.813 96.843.875 98.43 3.938 100.01
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
3-3/8 (3.375) 85.73 3-19/64 (3.297) 83.743-1/2 (3.500) 88.90 3-11/32 (3.344) 84.943-5/8 (3.625) 92.08 3-11/32 (3.344) 84.943-3/4 (3.750) 95.253-7/8 (3.875) 98.43 3-11/32 (3.344) 84.94
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
3-3/8 (3.375) 85.73 3-1/4 (3.25) 82.553-5/8 (3.625) 92.08 3-7/16 (3.4375) 87.313-7/8 (3.875) 98.43 3-5/8 (3.625) 92.08
BEVEL & OUTSIDE DIAMETERNC-31 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm4.093 103.96 4.157 105.594.125 104.77 4.188 106.384.093 103.96 4.157 105.594.343 110.31 4.407 111.94
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm4.125 104.78 4.188 106.364.250 107.95 4.313 109.544.375 111.13 4.438 112.71
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
4-1/8 (4.125) 104.78 4-3/64 (4.047) 102.794-1/4 (4.250) 107.954-3/8 (4.375) 111.13 4-3/64 (4.047) 102.79
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
4-1/8 (4.125) 104.78 3-15/16 (3.938) 100.0134-3/8 (4.375) 111.13 3-1/8 (3.125) 79.375
BEVEL & OUTSIDE DIAMETERNC-35 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm4.750 120.65 4.828 122.63
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm4.500 114.30 4.578 116.284.625 117.48 4.703 119.464.750 120.65 4.828 122.63
BEVEL & OUTSIDE DIAMETERNC-38 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm4.718 119.84 4.782 121.465.000 127.00 5.078 128.984.718 119.84 4.782 121.464.968 126.19 5.032 127.81
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm4.750 120.65 4.828 122.634.875 123.83 4.953 125.815.000 127.00 5.078 128.985.125 130.18 5.203 132.165.250 133.35 5.328 135.33
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
4-3/4 (4.750) 120.65 4-43/64 (4.672) 118.674-7/8 (4.875) 123.83
5 (5.000) 127.00 4-55/64 (4.859) 123.425-1/8 (5.125) 130.185-1/4 (5.250) 133.35 4-55/64 (4.859) 123.42
NS-2 standard for Used BHA
OD Greater Bevel DiameterOR=TO Min
inch mm inch mm4-3/4 (4.750) 120.65 4-9/16 (4.563) 115.89
5 (5.000) 127.00 4-3/4 (4.750) 120.655-1/4 (5.250) 133.35 4-15/16 (4.938) 125.41
BEVEL & OUTSIDE DIAMETERNC-40 PIN
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm5.250 133.35 5.328 135.335.375 136.53 5.453 138.515.500 139.70 5.625 142.885.625 142.88 5.750 146.055.750 146.05 5.875 149.23
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
5-1/4 (5.250) 133.35 5-7/64 (5.109) 129.775-3/8 (5.375) 136.535-1/2 (5.500) 139.70 5-7/64 (5.109) 129.775-5/8 (5.625) 142.885-3/4 (5.750) 146.05 5-7/64 (5.109) 129.77
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
5-1/4 (5.250) 133.35 5- (5.000) 127.005-1/2 (5.500) 139.70 5-3/16 (5.188) 131.785-3/4 (5.750) 146.05 5-3/8 (5.375) 136.53
BEVEL & OUTSIDE DIAMETERNC-44 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm6.000 152.40 6.125 155.58
6.250 158.75 6.375 161.92
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm5.500 139.70 5.625 142.885.625 142.88 5.750 146.055.750 146.05 5.875 149.235.875 149.23 6.000 152.406.000 152.40 6.125 155.586.125 155.58 6.250 158.756.250 158.75 6.375 161.93
BEVEL & OUTSIDE DIAMETERNC-46 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm6.218 157.94 6.282 159.566.250 158.75 6.375 161.926.500 165.10 6.625 168.276.750 171.45 6.906 175.415.968 151.59 6.032 153.216.218 157.94 6.282 159.56
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm6.000 152.40 6.125 155.586.125 155.58 6.250 158.756.250 158.75 6.375 161.936.375 161.93 6.500 165.106.500 165.10 6.656 169.076.625 168.28 6.781 172.246.750 171.45 6.906 175.426.875 174.63 7.031 178.59
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
6 (6.000) 152.40 5-27/32 (5.844) 148.446-1/8 (6.125) 155.58 5-27/32 (5.844) 148.446-1/4 (6.250) 158.75 5-27/32 (5.844) 148.44
6-3/8 (6.375) 161.93 5-27/32 (5.844) 148.446-1/2 (6.500) 165.10 5-27/32 (5.844) 148.446-5/8 (6.625) 168.28 5-27/32 (5.844) 148.446-3/4 (6.750) 171.45 5-27/32 (5.844) 148.446-7/8 (6.875) 174.63 5-27/32 (5.844) 148.44
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
6(6.000) 152.400 5-45/64 (5.703) 144.8596-1/4 (6.250) 158.750 5-57/64 (5.891) 149.6226 1/2 (6.500) 165.100 6-5/64 (6.078) 154.3846-3/4 (6.750) 171.450 6-17/64 (6.266) 159.147
BEVEL & OUTSIDE DIAMETERNC-50 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm6.343 161.11 6.407 162.747.000 177.80 7.156 181.767.250 184.15 7.406 188.116.609 167.87 6.657 169.09
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm6.375 161.93 6.531 165.896.500 165.10 6.656 169.076.625 168.28 6.781 172.246.750 171.45 6.906 175.426.875 174.63 7.031 178.597.000 177.80 7.156 181.777.125 180.98 7.281 184.947.250 184.15 7.406 188.12
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
6-1/4 (6.250) 158.75 6-11/64 (6.172) 156.776-3/8 (6.375) 161.93 6-19/64 (6.297) 159.946-1/2 (6.500) 165.106-5/8 (6.625) 168.28 6-7/16 (6.438) 163.536-3/4 (6.750) 171.456-7/8 (6.875) 174.63 6-7/16 (6.438) 163.53
7 (7.000) 177.80 6-7/16 (6.438) 163.537-1/8 (7.125) 180.98 6-7/16 (6.438) 163.537-1/4 (7.250) 184.15 6-7/16 (6.438) 163.53
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
6-1/4 (6.250) 158.750 5-29/32 (5.906) 150.0196-3/8 (6.375) 161.925 6-3/32 (6.094) 154.7816-5/8 (6.625) 168.275 6-9/32 (6.281) 159.5446-7/8 (6.875) 174.625 6-15/32 (6.469) 164.3067-1/8 (7.125) 180.975 6-21/32 (6.656) 169.069
BEVEL & OUTSIDE DIAMETERNC-56 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm6.968 176.99 7.032 178.617.750 196.85 7.906 200.818.000 203.20 8.156 207.16
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm7.250 184.15 7.406 188.127.375 187.33 7.531 191.297.500 190.50 7.656 194.477.625 193.68 7.781 197.647.750 196.85 7.906 200.827.875 200.03 8.031 203.998.000 203.20 8.156 207.17
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
7-1/4 (7.250) 184.157-3/8 (7.375) 187.33
7-1/2 (7.500) 190.50 7-15/64 (7.234) 183.747-5/8 (7.625) 193.687-3/4 (7.750) 196.85 7-15/64 (7.234) 183.747-7/8 (7.875) 200.03
8 (8.000) 203.20 7-15/64 (7.234) 183.74
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
7-1/2 (7.500) 190.50 7-3/32 (7.094) 180.197-3/4 (7.750) 196.85 7-9/32 (7.281) 184.94
8(8.000) 203.20 7-15/32 (7.469) 189.71
BEVEL & OUTSIDE DIAMETERNC-61 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm9.000 9.188
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm8.000 203.20 8.156 207.178.250 209.55 8.438 214.318.375 212.73 8.563 217.498.500 215.90 8.688 220.668.625 219.08 8.813 223.848.750 222.25 8.938 227.018.875 225.43 9.063 230.199.000 228.60 9.188 233.36
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
8 (8.000) 203.208-1/8 (8.125) 206.388-1/4 (8.250) 209.55 7-15/16 (7.938) 201.638-3/8 (8.375) 212.738-1/2 (8.500) 215.90 7-15/16 (7.938) 201.638-5/8 (8.625) 219.08
8-3/4 (8.750) 222.25 7-15/16 (7.938) 201.638-7/8 (8.875) 225.43
9 (9.000) 228.60 7-15/16 (7.938) 201.63
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
8-1/4 (8.250) 209.55 7-51/64 (7.797) 198.048-1/2 (8.500) 215.90 7-63/64 (7.984) 202.798-3/4 (8.750) 222.25 8-11/64 (8.172) 207.57
9 (9.000) 228.60 8-23/64 (8.359) 212.32
BEVEL & OUTSIDE DIAMETERNC-70 PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm9.750 247.65 10.000 254.00
10.000 254.00 10.250 260.35
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm9.250 234.95 9.438 239.719.375 238.13 9.563 242.899.500 241.30 9.688 246.069.625 244.48 9.875 250.839.750 247.65 10.000 254.009.875 250.83 10.125 257.18
10.000 254.00 10.250 260.35
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
9-1/4 (9.250) 234.959-3/8 (9.375) 238.139-1/2 (9.500) 241.30 9-7/64 (9.109) 231.379-5/8 (9.625) 244.489-3/4 (9.750) 247.65 9-7/64 (9.109) 231.379-7/8 (9.875) 250.8310 (10.000) 254.00 9-7/64 (9.109) 231.37
NS-2 standard for Used BHA
OD Greater Bevel DiameterOR=TO Min
inch mm inch mm9-1/2 (9.500) 241.30 8-61/64 (8.953) 227.409-3/4 (9.750) 247.65 9-9/64 (9.141) 232.1810 (10.000) 254.00 9-21/64 (9.328) 236.93
BEVEL & OUTSIDE DIAMETERNC-77 PIN
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm
10.500 266.70 10.750 273.0510.625 269.88 10.875 276.2210.750 273.05 11.000 279.4010.875 276.22 11.125 282.5811.000 279.40 11.250 285.7511.125 282.58 11.375 288.93
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
10-1/2 (10.500) 266.7010-5/8 (10.625) 269.8810-3/4 (10.750) 273.0510-7/8 (10.875) 276.23
11 (11.000) 279.40 9-51/64 (9.797) 248.8411-1/8 (11.125) 282.58
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
11 (11.000) 279.40 10-1/4 (10.250) 260.35
BEVEL & OUTSIDE DIAMETER1" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm
1.750 44.45 2.240 56.901.750 44.45 2.240 56.90
1.750 44.45 2.240 56.901.750 44.45 2.240 56.90
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm1.563 39.70 1.594 40.491.688 42.88 1.719 43.67
BEVEL & OUTSIDE DIAMETER1-1/2" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm2.250 57.15 3.490 88.652.250 57.15 3.490 88.65
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm2.063 52.40 2.094 53.192.188 55.58 2.219 56.37
BEVEL & OUTSIDE DIAMETER2-3/8" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm3.500 88.9 4.500 114.3
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm
3.125 79.38 3.172 80.573.250 82.55 3.297 83.743.375 85.73 3.422 86.923.500 88.90 3.547 90.09
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
3-1/8 (3.125) 79.383-1/4 (3.250) 82.55 2-63/64 (2.984) 75.793-3/8 (3.375) 85.73 2-63/64 (2.984) 75.793-1/2 (3.500) 88.90
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
3-1/4 (3.250) 82.55 3 (3.000) 76.203-3/8 (3.375) 85.73 3-3/16 (3.188) 80.98
BEVEL & OUTSIDE DIAMETER2-7/8" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm4.625 117.50 5.000 127.004.125 104.77 4.500 114.30
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm3.875 98.43 3.938 100.01
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
3-7/8 (3.875) 98.42 3-1/2 (3.500) 88.90
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
3-7/8 (3.875) 98.43 3-9/16 (3.563) 90.50
BEVEL & OUTSIDE DIAMETER3-1/2" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm5.125 130.20 7.375 187.335.031 127.79 7.375 187.334.750 120.65 5.000 127.0
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm4.375 111.13 4.438 112.714.500 114.30 4.563 115.89
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
4-3/8 (4.375) 111.13 4-5/32 (4.156) 105.564-1/2 (4.500) 114.3 4-5/32 (4.156) 105.56
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
4-3/8 (4.375) 111.13 4-1/16 (4.063) 103.204-1/2 (4.500) 114.30 4-1/4 (4.250) 107.95
BEVEL & OUTSIDE DIAMETER4-1/2" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm5.719 145.26 5.781 146.847.500 190.50 9.375 238.137.500 190.50 8.500 215.907.406 188.11 9.375 238.13
6.000 152.40 7.000 177.80
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm5.500 139.70 5.625 142.885.625 142.88 5.750 146.055.750 146.05 5.875 149.235.875 149.23 6.000 152.406.000 152.40 6.125 155.58
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
5-1/2 (5.500) 139.705-5/8 (5.625) 142.88 5-17/32 (5.531) 140.495-3/4 (5.750) 146.05 5-17/32 (5.531) 140.495-7/8 (5.875) 149.23
6 (6.000) 152.40 5-17/32 (5.531) 140.49
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
5-5/8 (5.625) 142.88 5-9/32 (5.281) 134.145-3/4 (5.750) 146.05 5-15/32 (5.469) 138.91
6 (6.000) 152.40 5-21/32 (5.656) 143.66
BEVEL & OUTSIDE DIAMETER5-1/2" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm8.625 219.10 9.875 250.837.000 177.80 7.250 184.15
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm6.750 171.45 6.906 175.426.875 174.63 7.031 178.597.000 177.80 7.156 181.777.125 180.98 7.281 184.947.250 184.15 7.406 188.127.375 187.33 7.531 191.29
7.500 190.50 7.656 194.47
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
6-5/8 (6.625) 168.28 6-35/64 (6.546) 166.276-3/4 (6.750) 171.45 6-43/64 (6.672) 169.476-7/8 (6.875) 174.63
7 (7.000) 177.80 6-47/64 (6.734) 171.047-1/8 (7.125) 180.987-1/4 (7.250) 184.15 6-47/64 (6.734) 171.047-3/8 (7.375) 187.337-1/2 (7.500) 190.50 6-47/64 (6.734) 171.04
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
6-5/8 (6.625) 168.28 6-17/64 (6.266) 159.166-3/4 (6.750) 171.45 6-29/64 (6.453) 163.91
7 (7.000) 177.80 6-41/64 (6.461) 164.117-1/4 (7.250) 184.15 6-53/64 (6.828) 173.437-1/2 (7.500) 190.50 7-1/64 (7.016) 178.21
BEVEL & OUTSIDE DIAMETER6-5/8" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm7.750 196.85 7.781 197.648.250 209.55 8.406 213.519.500 250.83 18.500 469.909.406 238.91 18.500 469.907.750 196.85 18.500 469.90
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm7.500 190.50 7.656 194.477.625 193.67 7.781 197.647.750 196.85 7.906 200.827.875 200.02 8.031 203.998.000 203.20 8.156 207.178.125 206.38 8.281 210.348.250 209.55 8.438 214.31
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
7-1/2 (7.500) 190.50 7-23/64 (7.359) 186.927-5/8 (7.625) 193.687-3/4 (7.750) 196.85 7-23/64 (7.359) 186.927-7/8 (7.875) 200.03
8 (8.000) 203.20 7-23/64 (7.359) 186.928-1/8 (8.125) 206.388-1/4 (8.250) 209.55 7-23/64 (7.359) 186.92
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
7-1/2 (7.500) 190.50 7-1/8 (7.125) 180.987-3/4 (7.750) 196.85 7-5/16 (7.313) 185.75
8 (8.000) 203.20 7-1/2 (7.500) 190.508-1/4 (8.250) 209.55 7-11/16 (7.688) 195.28
BEVEL & OUTSIDE DIAMETER7-5/8" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm9.500 241.30 9.688 246.08
14.500 368.30 26.000 660.4014.563 369.90 larger larger9.500 241.30 10.000 254.00
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm8.875 225.42 9.063 230.199.000 228.60 9.188 233.369.125 231.77 9.313 236.549.250 234.95 9.438 239.719.375 238.13 9.563 242.899.500 241.30 9.688 246.069.500 241.30 9.688 246.069.625 244.48 9.875 250.839.750 247.65 10.000 254.009.875 250.83 10.125 257.18
10.000 254.00 10.250 260.35
DS-1 Standard FULL FACE
Outside Diameter Bevel Diameter
Mininch mm inch mm
8-5/8 (8.625) 219.08 8-35/64 (8.547) 217.098-3/4 (8.750) 222.258-7/8 (8.875) 225.43 8-45/64 (8.703) 221.06
9 (9.000) 228.609-1/8 (9.125) 231.78 8-45/64 (8.703) 221.069-1/4 (9.250) 234.959-3/8 (9.375) 238.13 8-45/64 (8.703) 221.069-1/2 (9.500) 241.30 8-45/64 (8.703) 221.06
DS-1 Standard LOW TORQUE
Outside Diameter Bevel Diameter
Mininch mm inch mm
9-1/2 (9.500) 241.30 9-5/64 (9.078) 230.58
NS-2 standard for Used BHA (Full Face)OD Greater Bevel Diameter
OR=TO Mininch mm inch mm
8-5/8 (8.625) 219.08 8-15/64 (8.234) 209.148-7/8 (8.875) 225.43 8-27/64 (8.422) 213.929-1/8 (9.125) 231.78 8-39/64 (3.609) 91.679-3/8 (9.375) 238.13 8-51/64 (8.797) 223.44
NS-2 standard for Used BHA (Low torgue)OD Greater Bevel Diameter
OR=TO Mininch mm inch mm
9-1/2 (9.500) 241.30 9-15/16 (9.938) 252.43
BEVEL & OUTSIDE DIAMETER8-5/8" REGULAR PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm
11.000 297.40 11.250 285.7526.000 660.40 large large18.563 471.49 large large10.000 254.00 11.000 279.40
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm
10.000 254.00 10.250 260.3510.125 257.18 10.375 263.5310.250 260.35 10.500 266.7010.375 263.53 10.625 269.8810.500 266.70 10.750 273.0510.625 269.88 10.875 276.2210.750 273.05 11.000 279.4010.875 276.22 11.125 282.5810.625 269.88 10.875 276.2210.750 273.05 11.000 279.4010.875 276.22 11.125 282.5810.875 276.22 11.125 282.58
DS-1 Standard FULL FACE
Outside Diameter Bevel Diameter
Mininch mm inch mm
9-5/8 (9.625) 244.48 9-35/64 (9.547) 242.499-3/4 (9.750) 247.65 9-43/64 (9.672) 245.6699-7/8 (9.875) 250.8310 (10.000) 254.00 9-29/32 (9.906) 251.612
10-1/8 (10.125) 257.1810-1/4 (10.250) 260.35 9-29/32 (9.906) 251.61210-3/8 (10.375) 263.5310-1/2 (10.500) 266.70 9-29/32 (9.906) 251.612
DS-1 Standard LOW TORQUE
Outside Diameter Bevel Diameter
Mininch mm inch mm
10-1/2 (10.500) 266.70 9-31/32 (9.969) 253.2110-5/8 (10.625) 269.88
NS-2 standard for Used BHA (Full Face)OD Greater Bevel Diameter
OR=TO Mininch mm inch mm
9-5/8 (9.625) 244.48 9-1/8 (9.125) 231.789-3/4 (9.750) 247.65 9-5/16 (9.313) 236.5510 (10.000) 254.00 9-1/2 (9.500) 241.30
10-1/4 (10.250) 260.35 9-11/16 (9.688) 246.0810-1/2 (10.500) 266.70 9-7/8 (9.875) 250.83
NS-2 standard for Used BHA (Low torgue)OD Greater Bevel Diameter
OR=TO Mininch mm inch mm
10-1/2 (10.500) 266.70 10-31/64 (10.484) 266.29
BEVEL & OUTSIDE DIAMETER3-1/2" FULL HOLE PIN
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm4.875 123.82 4.953 125.815.000 127.00 5.078 128.985.125 130.17 5.203 132.165.250 133.35 5.328 135.33
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
4-7/8 (4.875) 123.83 4-51/64 (4.797) 121.845 (5.000) 127.00
5-1/8 (5.125) 130.18 4-51/64 (4.797) 121.845-1/4 (5.250) 133.35
NS-2 standard for Used BHA OD Greater Bevel Diameter
OR=TO Mininch mm inch mm
4-7/8 (4.875) 123.83 4-21/32 (4.656) 118.265-1/8 (5.125) 130.18 4-27/32 (4.844) 123.04
BEVEL & OUTSIDE DIAMETER4" FULL HOLE PIN
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
5-1/4 (5.250) 133.35 5-7/64 (5.109) 129.775-1/2 (5.500) 139.70 5-7/64 (5.109) 129.775-3/4 (5.750) 146.05 5-7/64 (5.109) 129.77
Drill co. Standard
Outside Diameter Bevel Diameter
inch mm inch mm5.250 133.35 5.016 127.415.375 136.53 5.016 127.415.500 139.70 5.203 132.16
5.625 142.88 5.203 132.165.750 146.05 5.391 136.93
BEVEL & OUTSIDE DIAMETER4-1/2" FULL HOLE PIN
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm5.750 146.05 5.875 149.235.875 149.23 6.000 152.406.000 152.40 6.125 155.586.125 155.58 6.250 158.756.250 158.75 6.375 161.92
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
5-3/4 (5.750) 146.05 5-43/64 (5.672) 144.075-7/8 (5.875) 149.23
6 (6.000) 152.40 5-25/32 (5.781) 146.846-1/8 (6.125) 155.586-1/4 (6.250) 158.75 5-25/32 (5.781) 146.84
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
5-3/4 (5.750) 146.05 5-33/64 (5.516) 140.116 (6.000) 152.4 5-45/64 (5.703) 144.86
6-1/4 (6.250) 158.75 5-57/64 (5.891) 149.63
BEVEL & OUTSIDE DIAMETER5-1/2" FULL HOLE PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm6.968 176.99 7.032 178.616.968 176.99 7.032 178.617.218 183.34 7.282 184.967.468 189.69 7.532 191.31
API Spec. 7-2 Standard
Outside DiameterMin Max
inch mm inch mm7.250 184.15 7.406 188.127.375 187.33 7.531 191.297.500 190.50 7.656 194.477.625 193.67 7.781 197.647.750 196.85 7.906 200.827.875 200.02 8.031 203.998.000 203.20 8.156 207.17
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
6-7/8 (6.875) 174.63 6-51/64 (6.797) 172.647- (7.000) 177.80 6-59/64 (6.922) 175.82
7-1/8 (7.125) 180.987-1/4 (7.250) 184.15 7-11/64 (7.172) 182.177-3/8 (7.375) 187.337-1/2 (7.500) 190.50 7-3/16 (7.188) 182.587-5/8 (7.625) 193.687-3/4 (7.750) 196.85 7-3/16 (7.188) 182.587-7/8 (7.875) 200.03
8- (8.000) 203.20 7-3/16 (7.188) 182.58
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
6-7/8 (6.875) 174.63 6-33/64 (6.516) 165.517 (7.000) 177.8 6-45/64 (6.703) 170.26
7 1/4 (7.250) 184.15 6-57/64 (6.891) 175.037-1/2 (7.500) 190.50 7-5/64 (7.078) 179.787 3/4" (7.750 196.85 7-17/64 (7.266) 184.56
8.000 203.20 7-29/64 (7.453) 189.31
BEVEL & OUTSIDE DIAMETER6-5/8" FULL HOLE PIN
API Spec. 7-1 StandardOutside Diameter
Min Maxinch mm inch mm7.968 202.39 8.032 204.018.218 208.74 8.282 210.368.468 215.09 8.532 216.71
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm8.500 215.90 8.688 220.668.625 219.08 8.813 223.848.750 222.25 8.938 227.018.875 225.42 9.063 230.199.000 228.60 9.188 233.369.125 231.77 9.313 236.549.250 234.95 9.438 239.71
DS-1 Standard
Outside Diameter Bevel Diameter
Mininch mm inch mm
8- (8.000) 203.20 7-59/64 (7.922) 201.228-1/8 (8.125) 206.388-1/4 (8.250) 209.55 8-11/64 (8.172) 207.578-3/8 (8.375) 212.738-1/2 (8.500) 215.90 8-25/64 (8.391) 213.138-5/8 (8.625) 219.088-3/4 (8.750) 222.25 8-25/64 (8.391) 213.138-7/8 (8.875) 225.43
9- (9.000) 228.60 8-25/64 (8.391) 213.139-1/8 (9.125) 231.789-1/4 (9.250) 234.95 8-25/64 (8.391) 213.13
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
8 (8.000) 203.2 7-11/16 (7.687) 195.258-1/4 (8.250) 209.55 7-7/8 (7.875) 200.038-1/2 (8.500) 215.9 8-1/16 (8.063) 204.88-3/4 (8.750) 222.25 8-1/4 (8.250) 209.55
9 (9.000) 228.25 8-7/16 (8.438) 214.339-1/4 (9.250) 234.95 8-5/8 (8.625) 219.08
BEVEL & OUTSIDE DIAMETER5-1/2" INTERNAL FLUSH PIN
API Spec. 7-2 StandardOutside Diameter
Min Maxinch mm inch mm8.125 206.38 8.281 210.348.250 209.55 8.438 214.31
8.375 212.73 8.563 217.498.500 215.90 8.688 220.668.625 219.08 8.813 223.848.750 222.25 8.938 227.018.875 225.42 9.063 230.19
Drill co. Standard
Outside Diameter Bevel Diameter
inch mm inch mm7-1/2 (7.500) 190.50 7-9/64 (7.141) 181.387-5/8 (7.625) 193.68 7-21/64 (7.328) 186.137-3/4 (7.750) 196.85 7-21/64 (7.328) 186.137-7/8 (7.875) 200.03 7-33/64 (7.516) 190.91
8 (8.000) 203.20 7-33/64 (7.516) 190.918-1/4 (8.250) 209.55 7-45/64 (7.703) 195.668-1/2 (8.500) 215.90 7-57/64 (7.891) 200.438-3/4 (8.750) 222.25 8-5/64 (8.078) 205.18
9 (9.000) 228.60 8-17/64 (8.266) 209.96
BEVEL & OUTSIDE DIAMETERNC-23 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar + Lift Sub 2.984 75.79 3.016
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar 2.984 75.79 3.016
BEVEL & OUTSIDE DIAMETERNC-26 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Square/Hexagon Kelly 3.250 82.55 3.282Tool Joints 3.250 82.55 3.282
Note : Tool Joints lengthminimum 7.000" ±1/4"
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
3.312 84.12 3.3443.312 84.12 3.3443.437 87.30 3.4693.437 87.30 3.4693.625 92.08 3.657
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
3-21/64 (3.328) 84.53 3-19/64 (3.297) 83.74 3-11/32 (3.344)3-7/16 (3.438) 87.33 3-5/16 (3.313) 84.14 3-29/64 (3.453)3-7/16 (3.438) 87.33 3-5/16 (3.313) 84.14 3-15/32 (3.469)
3-5/16 (3.313) 84.14 3-15/32 (3.469)3-7/16 (3.438) 87.33 3-5/16 (3.313) 84.14 3-21/32 (3.656)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
3-3/8 (3.375) 85.733-9/16 (3.563) 90.49
3-3/4 (3.75) 95.25
BEVEL & OUTSIDE DIAMETERNC-31 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Square/Hexagon Kelly 3.937 100.00 3.969Drill Collar + Lift Sub 3.937 100.00 3.969
Tool Joints 3.937 100.00 3.969Note : Tool Joints length 3.937 100.00 3.969minimum 7.000" ±1/4"
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar3.984 101.19 4.0163.984 101.19 4.0164.125 104.78 4.157
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
4-5/64 (4.078) 103.58 3-63/64 (3.984) 101.20 4-5/64 (4.078)3-63/64 (3.984) 101.20 4-13/64 (4.203)
4-21/64 (4.328) 109.93 3-63/64 (3.984) 101.20 4-21/64 (4.328)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
4-1/16 (4.063) 103.1884-1/4 (4.25) 107.950
BEVEL & OUTSIDE DIAMETERNC-35 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar + Lift Sub 4.500 114.30 4.532
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar4.328 109.93 4.364.328 109.93 4.36
4.5 114.30 4.532
BEVEL & OUTSIDE DIAMETERNC-38 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Square/Hexagon Kelly 4.562 115.87 4.594Drill Collar + Lift Sub 4.750 120.65 4.782
Tool Joints 4.562 115.87 4.594Note : Tool Joints length 4.562 115.87 4.594minimum 8.000" ±1/4"
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
4.625 117.48 4.6574.625 117.48 4.6574.75 120.65 4.7824.75 120.65 4.782
4.937 125.40 4.969
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
4-45/64 (4.703) 119.46 4-39/64 (4.609) 117.078 4-45/64 (4.703)4-39/64 (4.609) 117.078 4-53/64 (4.828)
4-61/64 (4.953) 125.81 4-39/64 (4.609) 117.078 4-61/64 (4.953)4-39/64 (4.609) 117.078 5-5/64 (5.078)
5-5/32 (5.156) 130.96 4-39/64 (4.609) 117.078 5-5/64 (5.078)
NS-2 standard for Used BHA
Bevel DiameterMax
inch mm4-11/16 (4.688) 119.06
4-7/8 (4.875) 123.835-1/16 (5.063) 128.59
BEVEL & OUTSIDE DIAMETERNC-40 PIN
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
5.031 127.79 5.0635.031 127.79 5.0635.187 131.75 5.2195.187 131.75 5.2195.375 136.53 5.407
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
5-13/64 (5.203) 132.16 5-1/32 (5.031) 127.79 5-13/64 (5.203)5-1/32 (5.031) 127.79 5-21/64 (5.328)
5-13/32 (5.406) 137.31 5-1/32 (5.031) 127.79 5-27/64 (5.422)5-1/32 (5.031) 127.79 5-27/64 (5.422)
5-13/32 (5.406) 137.31 5-1/32 (5.031) 127.79 5-27/64 (5.422)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
5-1/8 (5.125) 130.185-5/16 (5.313) 134.955-1/2 (5.500) 139.70
BEVEL & OUTSIDE DIAMETERNC-44 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collars + Lift Sub 5.672 144.07 5.704
5.859 148.82 5.891
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
5.422 137.72 5.4545.422 137.72 5.4545.484 139.29 5.5165.484 139.29 5.5165.672 144.07 5.7045.672 144.07 5.7045.859 148.82 5.891
BEVEL & OUTSIDE DIAMETERNC-46 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm
Square/Hexagon Kelly 5.703 144.86 5.735Drill Collar + Lift Subs 6.250 158.75 5.922
6.500 165.10 6.1106.750 171.45 6.297
Tool Joints 5.703 144.86 5.735Note : Tool Joints length 5.703 144.86 5.735minimum 7.000" ±1/4"
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
5.703 144.86 5.7355.703 144.86 5.7355.89 149.61 5.9225.89 149.61 5.922
6.078 154.38 6.1106.078 154.38 6.1106.265 159.13 6.2976.265 159.13 6.297
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
5-61/64 (5.953) 151.13 5-45/64 (5.703) 144.86 5-61/64 (5.953)5-61/64 (5.953) 151.13 5-45/64 (5.703) 144.86 6-5/64 (6.078)6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-13/64 (6.203)
6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297)6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297)6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297)6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297)6-7/64 (6.109) 155.17 5-45/64 (5.703) 144.86 6-19/64 (6.297)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
5-53/64 (5.828) 148.0346-1/64 (6.016) 152.7976 13/64 (6.203) 157.5596 25/64 (6.391) 162.322
BEVEL & OUTSIDE DIAMETERNC-50 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Square/Hexagon Kelly 6.047 153.59 6.079Drill Collar + Lift Subs 6.468 164.29 6.500
6.656 169.06 6.688Tool Joints 6.047 153.59 6.079
Note : Tool Joints lengthminimum 7.000" ±1/4"
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
6.328 160.73 6.3606.328 160.73 6.3606.328 160.73 6.3606.328 160.73 6.3606.468 164.29 6.5006.468 164.29 6.5006.656 169.06 6.6886.656 169.06 6.688
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
6-13/64 (6.203) 157.56 6-11/64 (6.172) 156.77 6-13/64 (6.203)6-21/64 (6.328) 160.73 6-19/64 (6.297) 159.94 6-23/64 (6.359)
6-21/64 (6.328) 160.73 6-29/64 (6.453)6-37/64 (6.578) 167.08 6-21/64 (6.328) 160.73 6-37/64 (6.578)
6-21/64 (6.328) 160.73 6-45/64 (6.703)6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797)6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797)6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797)6-51/64 (6.797) 172.64 6-21/64 (6.328) 160.73 6-51/64 (6.797)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
6-1/32 (6.031) 153.1946-7/32 (6.219) 157.956
6-13/32 (6.406) 162.7196-19/32 (6.594) 167.4816-25/32 (6.781) 172.244
BEVEL & OUTSIDE DIAMETERNC-56 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm
Square/Hexagon Kelly 6.718 170.64 6.750Drill Collars + Lift Subs 7.281 184.94 7.313
7.468 189.69 7.500
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
7.062 179.37 7.0947.062 179.37 7.0947.093 180.16 7.1257.093 180.16 7.1257.281 184.94 7.3137.281 184.94 7.3137.468 189.69 7.500
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
7-1/16 (7.063) 179.39 7-13/64 (7.203)7-1/16 (7.063) 179.39 7-21/64 (7.328)
7-29/64 (7.453) 189.31 7-1/16 (7.063) 179.39 7-29/64 (7.453)7-1/16 (7.063) 179.39 7-37/64 (7.578)
7-45/64 (7.703) 195.66 7-1/16 (7.063) 179.39 7-45/64 (7.703)7-1/16 (7.063) 179.39 7-53/64 (7.828)
7-57/64 (7.891) 200.43 7-1/16 (7.063) 179.39 7-29/32 (7.906)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
7-7/32 (7.219) 183.367-13/32 (7.406) 188.11
7-19/32 (7.594) 192.89
BEVEL & OUTSIDE DIAMETERNC-61 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collars + Lift Sub 8.359 212.32 8.391
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
7.750 196.85 7.7827.796 198.02 7.8287.796 198.02 7.8287.984 202.79 8.0167.984 202.79 8.0168.172 207.57 8.2048.172 207.57 8.2048.359 212.32 8.391
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
7-47/64 (7.734) 196.45 7-61/64 (7.953)7-47/64 (7.734) 196.45 8-5/64 (8.078)
8-13/64 (8.203) 208.36 7-47/64 (7.734) 196.45 8-13/64 (8.203)7-47/64 (7.734) 196.45 8-21/64 (8.328)
8-29/64 (8.453) 214.71 7-47/64 (7.734) 196.45 8-29/64 (8.453)7-47/64 (7.734) 196.45 8-37/64 (8.578)
8-45/64 (8.703) 221.06 7-47/64 (7.734) 196.45 8-45/64 (8.703)7-47/64 (7.734) 196.45 8-53/64 (8.828)
8-29/32 (8.906) 226.21 7-47/64 (7.734) 196.45 8-27/32 (8.844)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
7-59/64 (7.922) 201.228-7/64 (8.109) 205.97
8-19/64 (8.297) 210.748-31/64 (8.484) 215.49
BEVEL & OUTSIDE DIAMETERNC-70 PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collars + Lift Sub 9.140 232.156 9.1729.328 236.9312 9.360
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
8.906 226.21 8.9388.906 226.21 8.9388.953 227.41 8.9858.953 227.41 8.9859.140 232.16 9.1729.140 232.16 9.1729.328 236.93 9.360
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
8-57/64 (8.891) 225.82 9-13/64 (9.203)8-57/64 (8.891) 225.82 9-21/64 (9.328)
9-29/64 (9.453) 240.11 8-57/64 (8.891) 225.82 9-29/64 (9.453)8-57/64 (8.891) 225.82 9-37/64 (9.578)
9-45/64 (9.703) 246.46 8-57/64 (8.891) 225.82 9-45/64 (9.703)8-57/64 (8.891) 225.82 9-53/64 (9.828)
9-61/64 (9.953) 252.81 8-57/64 (8.891) 225.82 9-61/64 (9.953)
NS-2 standard for Used BHA
Bevel DiameterMax
inch mm9-5/64 (9.078) 230.58
9-17/64 (9.266) 235.369-29/64 (9.453) 240.11
BEVEL & OUTSIDE DIAMETERNC-77 PIN
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
9.875 250.83 9.9079.875 250.83 9.907
10.062 255.57 10.09410.062 255.57 10.09410.250 260.35 10.28210.250 260.35 10.282
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm
9-51/64 (9.797) 248.84 10-29/64 (10.453)9-51/64 (9.797) 248.84 10-37/64 (10.578)9-51/64 (9.797) 248.84 10-45/64 (10.703)9-51/64 (9.797) 248.84 10-53/64 (10.828)
10-61/64 (10.953) 278.21 9-51/64 (9.797) 248.84 10-61/64 (10.953)9-51/64 (9.797) 248.84 11-5/64 (11.078)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
10-3/8 (10.375) 263.53
BEVEL & OUTSIDE DIAMETER1" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Equipment Min Maxinch mm inch
Roller Bit/Blade Drag Bit
Bit Sub Bevel 1.452 36.88 1.484Bit Bevel 1.484 37.69 1.516
Diamond Bit/PDC Bit
Bit Sub Bevel 1.484 37.69 1.516Bit Bevel 1.516 38.51 1.548
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar1.500 38.10 1.5321.500 38.10 1.532
BEVEL & OUTSIDE DIAMETER1-1/2" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Bit Sub Bevel 1.916 48.67 1.948Bit Bevel 1.948 49.48 1.980
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar1.984 50.39 2.0161.984 50.39 2.016
BEVEL & OUTSIDE DIAMETER2-3/8" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Bit Sub Bevel 3-1/32 (3.031) 76.98 3-1/16 (3.063)Bit Bevel 3-1/16 (3.063) 77.80 3-3/32 (3.093)
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
3.000 76.20 3.0323.000 76.20 3.0323.187 80.95 3.2193.187 80.95 3.219
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
2-31/32 (2.969) 75.41 3-5/64 (3.078)3-13/64 (3.203) 81.35 2-31/32 (2.969) 75.41 3-13/64 (3.203)3-19/64 (3.296) 83.71 2-31/32 (2.969) 75.41 3-19/64 (3.297)
2-31/32 (2.969) 75.41 3-19/64 (3.297)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
3-1/8 (3.125) 79.383-5/16 (3.313) 84.15
BEVEL & OUTSIDE DIAMETER2-7/8" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Bit Sub Bevel 3-19/32 (3.594) 91.29 3-5/8 (3.625)Bottom Hole Drill Collar 3-19/32 (3.594) 91.29 3-5/8 (3.625)
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar 3.562 90.47 3.594
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
3-51/64 (3.796) 96.42 3-31/64 (3.484) 88.50 3-51/64 (3.797)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
3-11/16 (3.688) 93.68
BEVEL & OUTSIDE DIAMETER3-1/2" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Bit Sub Bevel (Roller/Blade Drag Bit) 4.093 103.96 4.125Bit Sub Bevel (Diamond/PDC Bit) 4.093 103.96 4.125
Bottom Hole Drill Collar 4.093 103.96 4.125
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar4.109 104.37 4.1414.250 107.95 4.282
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
4-21/64 (4.328) 109.93 4-3/32 (4.094) 103.98 4-21/64 (4.328)5-3/64 (5.047) 128.19 4-3/32 (4.094) 103.98 4-29/64 (4.453)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
4-3/16 (4.188) 106.384-3/8 (4.375) 111.13
BEVEL & OUTSIDE DIAMETER4-1/2" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Swivel Sub (LH Thread) 5.281 134.14 5.313Bit Sub Bevel (Roller Bit) 5.312 134.93 5.344
Bit Sub Bevel (Blade Drag Bit) 5.312 134.93 5.344Bit Sub Bevel (Diamond/PDC Bit) 5.312 134.93 5.344
Bottom Hole Drill Collar 5.312 134.93 5.344
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
5.406 137.31 5.4385.406 137.31 5.4385.468 138.89 5.5005.468 138.89 5.5005.656 143.66 5.688
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
5-25/64 (5.391) 136.92 5-29/64 (5.453)5-37/64 (5.578) 141.68 5-25/64 (5.391) 136.92 5-37/64 (5.578)5-45/64 (5.703) 144.85 5-25/64 (5.391) 136.92 5-45/64 (5.703)
5-25/64 (5.391) 136.92 5-53/64 (5.828)5-61/64 (5.953) 151.20 5-25/64 (5.391) 136.92 5-29/64 (5.453)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
5-13/32 (5.406) 137.315-19/32 (5.594) 142.095-25/32 (5.781) 146.84
BEVEL & OUTSIDE DIAMETER5-1/2" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Bit Sub Bevel (Blade Drag Bit) 6.484 164.69 6.516Bottom Hole Drill Collar 6.484 164.69 6.516
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
6.578 167.08 6.6106.578 167.08 6.6106.640 168.66 6.6726.640 168.66 6.6726.828 173.43 6.8606.828 173.43 6.860
Drill Collar
7.015 178.18 7.047
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
6-37/64 (6.578) 167.08 6-35/64 (6.547) 166.29 6-37/64 (6.578)6-45/64 (6.703) 170.25 6-9/16 (6.563) 166.69 6-45/64 (6.703)
6-9/16 (6.563) 166.69 6-53/64 (6.828)6-61/64 (6.953) 176.60 6-9/16 (6.563) 166.69 6-61/64 (6.953)
6-9/16 (6.563) 166.69 7-5/64 (7.078)7-11/64 (7.172) 182.17 6-9/16 (6.563) 166.69 7-3/16 (7.188)
6-9/16 (6.563) 166.69 7-3/16 (7.188)7-11/64 (7.172) 182.17 6-9/16 (6.563) 166.69 7-3/16 (7.188)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
6-25/64 (6.391) 162.336-37/64 (6.578) 167.086-49/64 (6.766) 171.86
6-61/64 (6.953) 176.617-9/64 (7.141) 181.38
BEVEL & OUTSIDE DIAMETER6-5/8" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Swivel Sub (LH Thread) 7.312 185.73 7.344Drill Collar + Lift Sub 7.687 195.25 7.719
Bit Sub Bevel (Roller/Blade Drag Bit) 7.343 186.51 7.375Bit Sub Bevel (Diamond/PDC Bit) 7.343 186.51 7.375
Bottom Hole Drill Collar 7.343 186.51 7.375
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
7.265 184.53 7.2977.265 184.53 7.2977.312 185.72 7.3447.312 185.72 7.3447.500 190.50 7.5327.500 190.50 7.5327.687 195.25 7.719
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
7-29/64 (7.453) 189.3 7-5/32 (7.156) 181.77 7-29/64 (7.453)7-5/32 (7.156) 181.77 7-37/64 (7.578)
7-45/64 (7.703) 195.65 7-5/32 (7.156) 181.77 7-45/64 (7.703)7-5/32 (7.156) 181.77 7-53/64 (7.828)
7-61/64 (7.953) 202 7-5/32 (7.156) 181.77 7-61/64 (7.953)7-5/32 (7.156) 181.77 8-5/64 (8.078)
8-1/8 (8.125) 206.37 7-5/32 (7.156) 181.77 8-1/8 (8.125)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
7-1/4 (7.250) 184.157-7/16 (7.438) 188.937-5/8 (7.625) 193.68
7-13/16 (7.813) 198.45
BEVEL & OUTSIDE DIAMETER7-5/8" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar + Lift Sub 8.797 223.44 8.829Bit Sub Bevel (Roller Bit) 8.453 214.71 8.485
Bit Sub Bevel (Diamond/PDC Bit) 8.453 214.71 8.485Bottom Hole Drill Collar 8.453 214.71 8.485
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch8.484 215.49 8.5168.484 215.49 8.5168.609 218.67 8.6418.609 218.67 8.6418.796 223.42 8.8288.796 223.42 8.8289.234 234.54 9.2669.234 234.54 9.2669.234 234.54 9.2669.234 234.54 9.266
Drill Collar, 7-5/8 REG FF (FULL
FACE)
Drill Collar, 7-5/8 REG LT (LOW
TORQUE)
9.234 234.54 9.266
DS-1 Standard FULL FACE Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
8-37/64 (8.578) 217.88 8-31/64 (8.484) 215.50 8-37/64 (8.578)8-31/64 (8.484) 215.50 8-45/64 (8.703)
8-53/64 (8.828) 224.23 8-31/64 (8.484) 215.50 8-53/64 (8.828)8-31/64 (8.484) 215.50 8-61/64 (8.953)
9-5/64 (9.078) 230.58 8-31/64 (8.484) 215.50 9-5/64 (9.078)8-31/64 (8.484) 215.50 9-13/64 (9.203)
9-21/64 (9.328) 236.93 8-31/64 (8.484) 215.50 9-21/64 (9.328)9-29/64 (9.453) 240.10 8-31/64 (8.484) 215.50 9-29/64 (9.453)
DS-1 Standard LOW TORQUE Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
9-29/64 (9.453) 240.10 8-15/16 (8.938) 227.01 9-29/64 (9.453)
NS-2 standard for Used BHA (Full Face)Bevel Diameter
Maxinch mm
8-23/64 (8.359) 212.328-35/64 (8.547) 217.098-47/64 (8.734) 221.848-59/64 (8.922) 226.62
NS-2 standard for Used BHA (Low torgue)Bevel Diameter
Maxinch mm
9-23/64 (9.359) 237.72
BEVEL & OUTSIDE DIAMETER8-5/8" REGULAR PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar + Lift Sub 10.484 266.29 10.516Bit Sub Bevel (Roller Bit) 9.531 242.09 9.563
Bit Sub Bevel (Diamond/PDC Bit) 9.531 242.09 9.563Bottom Hole Drill Collar 9.531 242.09 9.563
API Spec. 7-2 Standard
EquipmentBevel Diameter
Drill Collar, 7-5/8 REG LT (LOW
TORQUE)
Equipment Min Maxinch mm inch9.703 246.46 9.7359.703 246.46 9.7359.703 246.46 9.7359.703 246.46 9.7359.875 250.83 9.9079.875 250.83 9.907
10.062 255.57 10.09410.062 255.57 10.09410.484 266.29 10.51610.484 266.29 10.51610.484 266.29 10.51610.484 266.29 10.516
DS-1 Standard FULL FACE Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
9-37/64 (9.578) 243.28 9-35/64 (9.547) 242.49 9-37/64 (9.578)9-45/64 (9.703) 246.46 9-43/64 (9.672) 245.67 9-45/64 (9.703)
9-45/64 (9.703) 246.46 9-53/64 (9.828)9-61/64 (9.953) 252.81 9-45/64 (9.703) 246.46 9-61/64 (9.953)
9-45/64 (9.703) 246.46 10-5/64 (10.078)10-13/64 (10.203) 259.16 9-45/64 (9.703) 246.46 10-13/64 (10.203)
9-45/64 (9.703) 246.46 10-21/64 (10.328)10-29/64 (10.453) 265.51 9-45/64 (9.703) 246.46 10-29/64 (10.453)
DS-1 Standard LOW TORQUE Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
10-29/64 (10.453) 265.5110-3/32 (10.094) 256.38 10-37/64 (10.578)
NS-2 standard for Used BHA (Full Face)Bevel Diameter
Maxinch mm
9-1/4 (9.250) 234.959-7/16 (9.438) 239.739-5/8 (9.625) 244.48
9-13/16 (9.813) 249.2510 (10.000) 254.00
NS-2 standard for Used BHA (Low torgue)Bevel Diameter
Maxinch mm
10-39/64 (10.609) 269.47
Drill Collar, 8-5/8 REG FF (FULL
FACE)
Drill Collar, 8-5/8 REG LT (LOW
TORQUE)
BEVEL & OUTSIDE DIAMETER3-1/2" FULL HOLE PIN
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
4.656 118.26 4.6884.656 118.26 4.6884.843 123.01 4.8754.843 123.01 4.875
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
4-53/64 (4.828) 122.63 4-5/8 (4.625) 117.48 4-53/64 (4.828)4-5/8 (4.625) 117.48 4-61/64 (4.953)
5-3/64 (5.047) 128.19 4-5/8 (4.625) 117.48 5-1/16 (5.063)4-5/8 (4.625) 117.48 5-1/16 (5.063)
NS-2 standard for Used BHA Bevel Diameter
Maxinch mm
4-25/32 (4.781) 121.444-31/32 (4.969) 126.21
BEVEL & OUTSIDE DIAMETER4" FULL HOLE PIN
DS-1 Standard Bevel Diameter
Maxinch mm
5-13/64 (5.203) 132.165-13/64 (5.203) 132.165-13/64 (5.203) 132.16
NS-2 standard for Used BHAOD Greater Bevel Diameter
OR=TO Mininch mm inch mm
5-1/4 (5.250) 133.35 5.000 1275-1/2 (5.500) 139.7 5-3/16 (5.188) 131.785-3/4 (5.750) 146.05 5-3/8 (5.375) 136.53
BEVEL & OUTSIDE DIAMETER4-1/2" FULL HOLE PIN
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
5.578 141.68 5.6105.578 141.68 5.6105.703 144.86 5.7355.703 144.86 5.7355.890 149.61 5.922
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
5-45/64 (5.703) 144.86 5-37/64 (5.578) 141.68 5-45/64 (5.703)5-37/64 (5.578) 141.68 5-53/64 (5.828)
5-61/64 (5.953) 151.21 5-37/64 (5.578) 141.68 5-61/64 (5.953)5-37/64 (5.578) 141.68 5-63/64 (5.984)
5-63/64 (5.984) 151.99 5-37/64 (5.578) 141.68 5-63/64 (5.984)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
5-41/64 (5.641) 143.285-53/64 (5.828) 148.036-1/64 (6.016) 152.81
BEVEL & OUTSIDE DIAMETER5-1/2" FULL HOLE PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Square/Hexagon Kelly 6.702 170.23 6.766Tool Joint 6.687 169.85 6.751
Note : Tool Joints length 6.687 169.85 6.751minimum 8.000" ±1/4" 7.062 179.38 7.126
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
7.031 178.59 7.0637.031 178.59 7.0637.078 179.78 7.1107.078 179.78 7.1107.265 184.53 7.2977.265 184.53 7.2977.453 189.31 7.485
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
6-53/64 (6.828) 173.43 6-51/64 (6.797) 172.64 6-53/64 (6.828)6-61/64 (6.953) 176.61 6-59/64 (6.922) 175.82 6-61/64 (6.953)
7-1/64 (7.016) 178.20 7-5/64 (7.078)7-13/64 (7.203) 182.96 7-1/64 (7.016) 178.20 7-13/64 (7.203)
7-1/16 (7.063) 179.39 7-21/64 (7.328)7-29/64 (7.453) 189.31 7-1/16 (7.063) 179.39 7-7/16 (7.438)
7-1/16 (7.063) 179.39 7-7/16 (7.438)7-45/64 (7.703) 195.66 7-1/16 (7.063) 179.39 7-7/16 (7.438)
7-1/16 (7.063) 179.39 7-7/16 (7.438)7-61/64 (7.953) 202.01 7-1/16 (7.063) 179.39 7-31/64 (7.484)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
6-41/64 (6.461) 164.116-53/64 (6.828) 173.437-1/64 (7.016) 178.21
7-13/64 (7.203) 182.967-25/64 (7.391) 187.737-37/64 (7.578) 192.48
BEVEL & OUTSIDE DIAMETER6-5/8" FULL HOLE PIN
API Spec. 7-1 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Tool Joints 7.687 195.25 7.719Note : Tool Joints length minimum 7.687 195.25 7.719
minimum 7.000" ±1/4" 7.687 195.25 7.719
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
8.187 207.95 8.2198.187 207.95 8.2198.250 209.55 8.2828.250 209.55 8.2828.437 214.30 8.4698.437 214.30 8.4698.625 219.08 8.657
DS-1 Standard Bevel Diameter Revised 2010 Bevel Diameter
Max Min Maxinch mm inch mm inch
7-61/64 (7.953) 202.01 7-59/64 (7.922) 201.22 7-61/64 (7.953)8-3/64 (8.047) 204.39 8-5/64 (8.078)
8-13/64 (8.203) 208.36 8-11/64 (8.172) 207.57 8-13/64 (8.203)8-3/16 (8.188) 207.96 8-21/64 (8.328)
8-29/64 (8.453) 214.71 8-3/16 (8.188) 207.96 8-29/64 (8.453)8-3/16 (8.188) 207.96 8-37/64 (8.578)
8-45/64 (8.703) 221.06 8-3/16 (8.188) 207.96 8-21/32 (8.656)8-3/16 (8.188) 207.96 8-21/32 (8.656)
8-61/64 (8.953) 227.41 8-3/16 (8.188) 207.96 8-21/32 (8.656)8-3/16 (8.188) 207.96 8-21/32 (8.656)
9-13/64 (9.203) 233.76 8-3/16 (8.188) 207.96 8-21/32 (8.656)
NS-2 standard for Used BHABevel Diameter
Maxinch mm
7-13/16 (7.813) 198.458 (8.000) 203.2
8-3/16 (8.188) 207.988-3/8 (8.375) 212.73
8-9/16 (8.563) 217.58-3/4 (8.750) 222.25
BEVEL & OUTSIDE DIAMETER5-1/2" INTERNAL FLUSH PIN
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch
Drill Collar
7.828 198.83 7.8607.828 198.83 7.860
Drill Collar7.875 200.02 7.9077.875 200.02 7.9078.062 204.77 8.0948.062 204.77 8.0948.250 209.55 8.282
BEVEL & OUTSIDE DIAMETERNC-23 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
76.61
API Spec. 7-2 StandardBevel Diameter
Maxmm
76.61
BEVEL & OUTSIDE DIAMETERNC-26 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
83.3683.36
API Spec. 7-2 StandardBevel Diameter
Maxmm
84.9484.9488.1188.1192.89
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
84.9387.7188.1188.1192.87
BEVEL & OUTSIDE DIAMETERNC-31 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
100.81100.81100.81100.81
API Spec. 7-2 StandardBevel Diameter
Maxmm
102.01102.01105.59
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
103.58106.76109.93
BEVEL & OUTSIDE DIAMETERNC-35 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
115.11
API Spec. 7-2 StandardBevel Diameter
Maxmm
110.74110.74115.11
BEVEL & OUTSIDE DIAMETERNC-38 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
116.69121.46116.69116.69
API Spec. 7-2 StandardBevel Diameter
Maxmm
118.29118.29121.46121.46126.21
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
119.46122.63125.81128.98128.98
BEVEL & OUTSIDE DIAMETERNC-40 PIN
API Spec. 7-2 StandardBevel Diameter
Maxmm
128.60128.60132.56132.56137.34
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
132.16135.33137.72137.72137.72
BEVEL & OUTSIDE DIAMETERNC-44 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
144.88
149.63
API Spec. 7-2 StandardBevel Diameter
Maxmm
138.53138.53140.11140.11144.88144.88149.63
BEVEL & OUTSIDE DIAMETERNC-46 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
145.67150.42155.19159.94145.67145.67
API Spec. 7-2 StandardBevel Diameter
Maxmm
145.67145.67150.42150.42155.19155.19159.94159.94
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
151.21154.38157.56
159.94159.94159.94159.94159.94
BEVEL & OUTSIDE DIAMETERNC-50 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
154.41165.10169.88154.41
API Spec. 7-2 StandardBevel Diameter
Maxmm
161.54161.54161.54161.54165.10165.10169.88169.88
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
157.56161.53163.91167.08170.26172.64172.64172.64172.64
BEVEL & OUTSIDE DIAMETERNC-56 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
171.45185.75190.50
API Spec. 7-2 StandardBevel Diameter
Maxmm
180.19180.19180.98180.98185.75185.75190.50
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
182.96186.13
189.31192.48195.66198.83200.82
BEVEL & OUTSIDE DIAMETERNC-61 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
213.13
API Spec. 7-2 StandardBevel Diameter
Maxmm
197.66198.83198.83203.61203.61208.38208.38213.13
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
202.01205.18208.36211.53214.71217.88
221.06224.23224.63
BEVEL & OUTSIDE DIAMETERNC-70 PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
232.97237.74
API Spec. 7-2 StandardBevel Diameter
Maxmm
227.03227.03228.22228.22232.97232.97237.74
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
233.76236.93240.11243.28246.46249.63252.81
BEVEL & OUTSIDE DIAMETERNC-77 PIN
API Spec. 7-2 StandardBevel Diameter
Maxmm
251.64251.64256.39256.39261.16261.16
DS-1 StandardRevised 2010 Bevel Diameter
Max
265.51268.68271.86275.03278.21281.38
BEVEL & OUTSIDE DIAMETER1" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
37.6938.51
38.5139.32
API Spec. 7-2 StandardBevel Diameter
Maxmm
38.9138.91
BEVEL & OUTSIDE DIAMETER1-1/2" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
49.4850.29
API Spec. 7-2 StandardBevel Diameter
Maxmm
51.2151.21
BEVEL & OUTSIDE DIAMETER2-3/8" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
77.8078.56
API Spec. 7-2 StandardBevel Diameter
Maxmm
77.0177.0181.7681.76
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
78.1881.3683.7483.74
BEVEL & OUTSIDE DIAMETER2-7/8" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
92.0792.07
API Spec. 7-2 StandardBevel Diameter
Maxmm
91.29
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
96.44
BEVEL & OUTSIDE DIAMETER3-1/2" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
104.78104.78104.78
API Spec. 7-2 StandardBevel Diameter
Maxmm
105.18108.76
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
109.93113.11
BEVEL & OUTSIDE DIAMETER4-1/2" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
134.95135.74135.74135.74
135.74
API Spec. 7-2 StandardBevel Diameter
Maxmm
138.13138.13139.70139.70144.48
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
138.51141.68144.86148.03138.51
BEVEL & OUTSIDE DIAMETER5-1/2" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
165.51165.51
API Spec. 7-2 StandardBevel Diameter
Maxmm
167.89167.89169.47169.47174.24174.24
178.99
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
167.08170.26173.43176.61179.78182.56182.56182.56
BEVEL & OUTSIDE DIAMETER6-5/8" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
186.54196.06187.33187.33187.33
API Spec. 7-2 StandardBevel Diameter
Maxmm
185.34185.34186.54186.54191.31191.31196.06
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
189.31192.48195.66198.83202.01205.18206.38
BEVEL & OUTSIDE DIAMETER7-5/8" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
224.26215.52215.52215.52
API Spec. 7-2 StandardBevel Diameter
Maxmm
216.31216.31219.48219.48224.23224.23235.36235.36235.36235.36
235.36
DS-1 Standard FULL FACERevised 2010 Bevel Diameter
Maxmm
217.88221.06224.23227.41230.58233.76236.93240.11
DS-1 Standard LOW TORQUERevised 2010 Bevel Diameter
Maxmm
240.11
BEVEL & OUTSIDE DIAMETER8-5/8" REGULAR PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
267.11242.90242.90242.90
API Spec. 7-2 StandardBevel Diameter
Maxmm
247.27247.27247.27247.27251.64251.64256.39256.39267.11267.11267.11267.11
DS-1 Standard FULL FACERevised 2010 Bevel Diameter
Maxmm
243.28246.46249.63252.81255.98259.16262.33265.51
DS-1 Standard LOW TORQUERevised 2010 Bevel Diameter
Maxmm
268.68
BEVEL & OUTSIDE DIAMETER3-1/2" FULL HOLE PIN
API Spec. 7-2 StandardBevel Diameter
Maxmm
119.08119.08123.82123.82
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
122.63125.81128.59128.59
BEVEL & OUTSIDE DIAMETER4" FULL HOLE PIN
NS-2 standard for Used BHABevel Diameter
Maxinch mm
5-1/8 (5.125) 130.185-5/16 (5.313) 134.955-1/2 (5.500) 139.7
BEVEL & OUTSIDE DIAMETER4-1/2" FULL HOLE PIN
API Spec. 7-2 StandardBevel Diameter
Maxmm
142.49142.49145.67145.67150.42
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
144.86148.03151.21152.00152.00
.
BEVEL & OUTSIDE DIAMETER5-1/2" FULL HOLE PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
171.86171.48171.48181.00
API Spec. 7-2 Standard
Bevel DiameterMax
mm179.40179.40180.59180.59185.34185.34190.12
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
173.43176.61179.78182.96186.13188.91188.91188.91188.91190.10
BEVEL & OUTSIDE DIAMETER6-5/8" FULL HOLE PIN
API Spec. 7-1 StandardBevel Diameter
Maxmm
196.06196.06196.06
API Spec. 7-2 StandardBevel Diameter
Maxmm
208.76208.76210.36210.36215.11215.11219.89
DS-1 StandardRevised 2010 Bevel Diameter
Maxmm
202.01205.18208.36211.53214.71217.88219.87219.87219.87219.87219.87
BEVEL & OUTSIDE DIAMETER5-1/2" INTERNAL FLUSH PIN
API Spec. 7-2 StandardBevel Diameter
Maxmm
199.64199.64
200.84200.84205.59205.59210.36
API SPEC 7.1 Table A.15OD Max Tol2.5-3.5 0.0468753.5-4.5 0.06254.5-5.5 0.0781255.5-6.5 0.1256.5-8.25 0.156258.25-9.5 0.1875
9.5 0.25API Spec. 7-2 Standard
Outside DiameterMin Nom Max
inch mm inch mm inch0.046875 NC23 3.125 79.38 3.125 79.38 3.1720.046875
NC26
3.375 85.73 3.375 85.73 3.4220.0625 3.500 88.90 3.500 88.90 3.5630.0625 3.625 92.07 3.625 92.07 3.6880.0625 3.750 95.25 3.750 95.25 3.8130.0625 3.875 98.43 3.875 98.43 3.9380.0625
NC31
4.125 104.77 4.125 104.77 4.1880.0625 4.250 107.95 4.250 107.95 4.3130.0625 4.375 111.13 4.375 111.13 4.438
0.078125
NC35
4.500 114.30 4.500 114.30 4.5780.078125 4.625 117.48 4.625 117.48 4.7030.078125 4.750 120.65 4.750 120.65 4.8280.078125
NC38
4.750 120.65 4.750 120.65 4.8280.078125 4.875 123.82 4.875 123.82 4.9530.078125 5.000 127.00 5.000 127.00 5.0780.078125 5.125 130.17 5.125 130.17 5.2030.078125 5.250 133.35 5.250 133.35 5.3280.078125
NC40
5.250 133.35 5.250 133.35 5.3280.078125 5.375 136.53 5.375 136.53 5.453
0.125 5.500 139.70 5.500 139.70 5.6250.125 5.625 142.88 5.625 142.88 5.7500.125 5.750 146.05 5.750 146.05 5.8750.125
NC44
5.500 139.70 5.500 139.70 5.6250.125 5.625 142.88 5.625 142.88 5.7500.125 5.750 146.05 5.750 146.05 5.8750.125 5.875 149.23 5.875 149.23 6.0000.125 6.000 152.40 6.000 152.40 6.1250.125 6.125 155.58 6.125 155.58 6.2500.125 6.250 158.75 6.250 158.75 6.3750.125
NC46
6.000 152.40 6.000 152.40 6.1250.125 6.125 155.58 6.125 155.58 6.2500.125 6.250 158.75 6.250 158.75 6.3750.125 6.375 161.92 6.375 161.92 6.500
0.15625 6.500 165.10 6.500 165.10 6.6560.15625 6.625 168.27 6.625 168.27 6.7810.15625 6.750 171.45 6.750 171.45 6.9060.15625 6.875 174.63 6.875 174.63 7.031
0.15625
NC50
6.375 161.92 6.375 161.92 6.5310.15625 6.500 165.10 6.500 165.10 6.6560.15625 6.625 168.27 6.625 168.27 6.7810.15625 6.750 171.45 6.750 171.45 6.9060.15625 6.875 174.63 6.875 174.63 7.0310.15625 7.000 177.80 7.000 177.80 7.1560.15625 7.125 180.98 7.125 180.98 7.2810.15625 7.250 184.15 7.250 184.15 7.4060.15625
NC56
7.250 184.15 7.250 184.15 7.4060.15625 7.375 187.33 7.375 187.33 7.5310.15625 7.500 190.50 7.500 190.50 7.6560.15625 7.625 193.67 7.625 193.67 7.7810.15625 7.750 196.85 7.750 196.85 7.9060.15625 7.875 200.02 7.875 200.02 8.0310.15625 8.000 203.20 8.000 203.20 8.1560.15625
NC61
8.000 203.20 8.000 203.20 8.1560.1875 8.250 209.55 8.250 209.55 8.4380.1875 8.375 212.73 8.375 212.73 8.5630.1875 8.500 215.90 8.500 215.90 8.6880.1875 8.625 219.08 8.625 219.08 8.8130.1875 8.750 222.25 8.750 222.25 8.9380.1875 8.875 225.42 8.875 225.42 9.0630.1875 9.000 228.60 9.000 228.60 9.1880.1875
NC70
9.250 234.95 9.250 234.95 9.4380.1875 9.375 238.13 9.375 238.13 9.5630.1875 9.500 241.30 9.500 241.30 9.688
0.25 9.625 244.48 9.625 244.48 9.8750.25 9.750 247.65 9.750 247.65 10.0000.25 9.875 250.83 9.875 250.83 10.1250.25 10.000 254.00 10.000 254.00 10.250
.0.25
NC77
10.500 266.70 10.500 266.70 10.7500.25 10.625 269.88 10.625 269.88 10.8750.25 10.750 273.05 10.750 273.05 11.0000.25 10.875 276.22 10.875 276.22 11.1250.25 11.000 279.40 11.000 279.40 11.2500.25 11.125 282.58 11.125 282.58 11.375
Tab A.22 (spec 7-1) 0.031251 REG
1.563 39.70 1.563 39.70 1.5940.03125 1.688 42.88 1.688 42.88 1.719
0.031251-1/2 REG
2.063 52.40 2.063 52.40 2.0940.03125 2.188 55.58 2.188 55.58 2.219
0.046875
2-3/8 REG
3.125 79.38 3.125 79.38 3.1720.046875 3.250 82.55 3.250 82.55 3.2970.046875 3.375 85.73 3.375 85.73 3.4220.046875 3.500 88.90 3.500 88.90 3.547
0.0625 2-7/8 REG 3.875 98.43 3.875 98.43 3.938
0.06253-1/2 REG
4.375 111.13 4.375 111.13 4.4380.0625 4.500 114.30 4.500 114.30 4.563
0.125
4-1/2 REG
5.500 139.70 5.500 139.70 5.6250.125 5.625 142.88 5.625 142.88 5.7500.125 5.750 146.05 5.750 146.05 5.8750.125 5.875 149.23 5.875 149.23 6.0000.125 6.000 152.40 6.000 152.40 6.125
0.15625
5-1/2 REG
6.750 171.45 6.750 171.45 6.9060.15625 6.875 174.63 6.875 174.63 7.0310.15625 7.000 177.80 7.000 177.80 7.1560.15625 7.125 180.98 7.125 180.98 7.2810.15625 7.250 184.15 7.250 184.15 7.4060.15625 7.375 187.33 7.375 187.33 7.5310.15625 7.500 190.50 7.500 190.50 7.656
0.15625
6-5/8 REG
7.500 190.50 7.500 190.50 7.6560.15625 7.625 193.67 7.625 193.67 7.7810.15625 7.750 196.85 7.750 196.85 7.9060.15625 7.875 200.02 7.875 200.02 8.0310.15625 8.000 203.20 8.000 203.20 8.1560.15625 8.125 206.38 8.125 206.38 8.281
0.1875 8.250 209.55 8.250 209.55 8.438
0.1875
7-5/8 REG FF
8.875 225.42 8.875 225.42 9.0630.1875 9.000 228.60 9.000 228.60 9.1880.1875 9.125 231.77 9.125 231.77 9.3130.1875 9.250 234.95 9.250 234.95 9.4380.1875 9.375 238.13 9.375 238.13 9.5630.1875 9.500 241.30 9.500 241.30 9.688
0.1875
7-5/8 REG LT
9.500 241.30 9.500 241.30 9.6880.25 9.625 244.48 9.625 244.48 9.8750.25 9.750 247.65 9.750 247.65 10.0000.25 9.875 250.83 9.875 250.83 10.1250.25 10.000 254.00 10.000 254.00 10.250
0.25
8-5/8 REG FF
10.000 254.00 10.000 254.00 10.2500.25 10.125 257.18 10.125 257.18 10.3750.25 10.250 260.35 10.250 260.35 10.5000.25 10.375 263.53 10.375 263.53 10.6250.25 10.500 266.70 10.500 266.70 10.7500.25 10.625 269.88 10.625 269.88 10.8750.25 10.750 273.05 10.750 273.05 11.0000.25 10.875 276.22 10.875 276.22 11.125
0.25
8-5/8 REG LT
10.625 269.88 10.625 269.88 10.8750.25 10.750 273.05 10.750 273.05 11.0000.25 10.875 276.22 10.875 276.22 11.1250.25 10.875 276.22 10.875 276.22 11.125
0.15625
5-1/2 FH
7.250 184.15 7.250 184.15 7.4060.15625 7.375 187.33 7.375 187.33 7.5310.15625 7.500 190.50 7.500 190.50 7.6560.15625 7.625 193.67 7.625 193.67 7.7810.15625 7.750 196.85 7.750 196.85 7.9060.15625 7.875 200.02 7.875 200.02 8.0310.15625 8.000 203.20 8.000 203.20 8.156
0.1875
6-5/8FH
8.500 215.90 8.500 215.90 8.6880.1875 8.625 219.08 8.625 219.08 8.8130.1875 8.750 222.25 8.750 222.25 8.9380.1875 8.875 225.42 8.875 225.42 9.0630.1875 9.000 228.60 9.000 228.60 9.1880.1875 9.125 231.77 9.125 231.77 9.3130.1875 9.250 234.95 9.250 234.95 9.438
0.078125
3-1/2 FH
4.875 123.82 4.875 123.82 4.9530.078125 5.000 127.00 5.000 127.00 5.0780.078125 5.125 130.17 5.125 130.17 5.2030.078125 5.250 133.35 5.250 133.35 5.328
0.125
4-1/2FH
5.750 146.05 5.750 146.05 5.8750.125 5.875 149.23 5.875 149.23 6.0000.125 6.000 152.40 6.000 152.40 6.1250.125 6.125 155.58 6.125 155.58 6.2500.125 6.250 158.75 6.250 158.75 6.375
0.15625
5-1/2 IF
8.125 206.38 8.125 206.38 8.2810.1875 8.250 209.55 8.250 209.55 8.4380.1875 8.375 212.73 8.375 212.73 8.5630.1875 8.500 215.90 8.500 215.90 8.6880.1875 8.625 219.08 8.625 219.08 8.8130.1875 8.750 222.25 8.750 222.25 8.9380.1875 8.875 225.42 8.875 225.42 9.063
0.016API Spec. 7-2 Standard
Outside DiameterEquipment
Bevel DiameterMax Min Nom Max
mm inch mm inch mm inch mm80.57 Drill Collar 2.984 75.79 3 76.20 3.016 76.6186.92
Drill Collar
3.312 84.12 3.328 84.53 3.344 84.9490.49 3.312 84.12 3.328 84.53 3.344 84.9493.66 3.437 87.30 3.453 87.71 3.469 88.1196.84 3.437 87.30 3.453 87.71 3.469 88.11
100.01 3.625 92.07 3.641 92.48 3.657 92.89106.36
Drill Collar3.984 101.19 4 101.60 4.016 102.01
109.54 3.984 101.19 4 101.60 4.016 102.01112.71 4.125 104.77 4.141 105.18 4.157 105.59116.28
Drill Collar4.328 109.93 4.344 110.34 4.360 110.74
119.46 4.328 109.93 4.344 110.34 4.360 110.74122.63 4.500 114.30 4.516 114.71 4.532 115.11122.63
Drill Collar
4.625 117.48 4.641 117.88 4.657 118.29125.81 4.625 117.48 4.641 117.88 4.657 118.29128.98 4.750 120.65 4.766 121.06 4.782 121.46132.16 4.750 120.65 4.766 121.06 4.782 121.46135.33 4.937 125.40 4.953 125.81 4.969 126.21135.33
Drill Collar
5.031 127.79 5.047 128.19 5.063 128.60138.51 5.031 127.79 5.047 128.19 5.063 128.60142.88 5.187 131.75 5.203 132.16 5.219 132.56146.05 5.187 131.75 5.203 132.16 5.219 132.56149.23 5.375 136.53 5.391 136.93 5.407 137.34142.88
Drill Collar
5.422 137.72 5.438 138.13 5.454 138.53146.05 5.422 137.72 5.438 138.13 5.454 138.53149.23 5.484 139.29 5.5 139.70 5.516 140.11152.40 5.484 139.29 5.5 139.70 5.516 140.11155.58 5.672 144.07 5.688 144.48 5.704 144.88158.75 5.672 144.07 5.688 144.48 5.704 144.88161.92 5.859 148.82 5.875 149.23 5.891 149.63155.58
Drill Collar
5.703 144.86 5.719 145.26 5.735 145.67158.75 5.703 144.86 5.719 145.26 5.735 145.67161.92 5.890 149.61 5.906 150.01 5.922 150.42165.10 5.890 149.61 5.906 150.01 5.922 150.42169.07 6.078 154.38 6.094 154.79 6.110 155.19172.24 6.078 154.38 6.094 154.79 6.110 155.19175.42 6.265 159.13 6.281 159.54 6.297 159.94178.59 6.265 159.13 6.281 159.54 6.297 159.94
165.89
Drill Collar
6.328 160.73 6.344 161.14 6.360 161.54169.07 6.328 160.73 6.344 161.14 6.360 161.54172.24 6.328 160.73 6.344 161.14 6.360 161.54175.42 6.328 160.73 6.344 161.14 6.360 161.54178.59 6.468 164.29 6.484 164.69 6.500 165.10181.77 6.468 164.29 6.484 164.69 6.500 165.10184.94 6.656 169.06 6.672 169.47 6.688 169.88188.12 6.656 169.06 6.672 169.47 6.688 169.88188.12
Drill Collar
7.062 179.37 7.078 179.78 7.094 180.19191.29 7.062 179.37 7.078 179.78 7.094 180.19194.47 7.093 180.16 7.109 180.57 7.125 180.98197.64 7.093 180.16 7.109 180.57 7.125 180.98200.82 7.281 184.94 7.297 185.34 7.313 185.75203.99 7.281 184.94 7.297 185.34 7.313 185.75207.17 7.468 189.69 7.484 190.09 7.500 190.50207.17
Drill Collar
7.750 196.85 7.766 197.26 7.782 197.66214.31 7.796 198.02 7.812 198.42 7.828 198.83217.49 7.796 198.02 7.812 198.42 7.828 198.83220.66 7.984 202.79 8 203.20 8.016 203.61223.84 7.984 202.79 8 203.20 8.016 203.61227.01 8.172 207.57 8.188 207.98 8.204 208.38230.19 8.172 207.57 8.188 207.98 8.204 208.38233.36 8.359 212.32 8.375 212.73 8.391 213.13239.71
Drill Collar
8.906 226.21 8.922 226.62 8.938 227.03242.89 8.906 226.21 8.922 226.62 8.938 227.03246.06 8.953 227.41 8.969 227.81 8.985 228.22250.83 8.953 227.41 8.969 227.81 8.985 228.22254.00 9.140 232.16 9.156 232.56 9.172 232.97257.18 9.140 232.16 9.156 232.56 9.172 232.97260.35 9.328 236.93 9.344 237.34 9.360 237.74
273.05
Drill Collar
9.875 250.83 9.891 251.23 9.907 251.64276.22 9.875 250.83 9.891 251.23 9.907 251.64279.40 10.062 255.57 10.078 255.98 10.094 256.39282.58 10.062 255.57 10.078 255.98 10.094 256.39285.75 10.250 260.35 10.266 260.76 10.282 261.16288.93 10.250 260.35 10.266 260.76 10.282 261.16
40.49Drill Collar
1.500 38.10 1.516 38.51 1.532 38.9143.67 1.500 38.10 1.516 38.51 1.532 38.91
53.19Drill Collar
1.984 50.39 2.000 50.80 2.016 51.2156.37 1.984 50.39 2.000 50.80 2.016 51.21
80.57
Drill Collar
3.000 76.20 3.016 76.61 3.032 77.0183.74 3.000 76.20 3.016 76.61 3.032 77.0186.92 3.187 80.95 3.203 81.36 3.219 81.7690.09 3.187 80.95 3.203 81.36 3.219 81.76
100.01 Drill Collar 3.562 90.47 3.578 90.88 3.594 91.29
112.71Drill Collar
4.109 104.37 4.125 104.77 4.141 105.18115.89 4.250 107.95 4.266 108.36 4.282 108.76
142.88
Drill Collar
5.406 137.31 5.422 137.72 5.438 138.13146.05 5.406 137.31 5.422 137.72 5.438 138.13149.23 5.468 138.89 5.484 139.29 5.500 139.70152.40 5.468 138.89 5.484 139.29 5.500 139.70155.58 5.656 143.66 5.672 144.07 5.688 144.48
175.42
Drill Collar
6.578 167.08 6.594 167.49 6.610 167.89178.59 6.578 167.08 6.594 167.49 6.610 167.89181.77 6.640 168.66 6.656 169.06 6.672 169.47184.94 6.640 168.66 6.656 169.06 6.672 169.47188.12 6.828 173.43 6.844 173.84 6.860 174.24191.29 6.828 173.43 6.844 173.84 6.860 174.24194.47 7.015 178.18 7.031 178.59 7.047 178.99
194.47
Drill Collar
7.265 184.53 7.281 184.94 7.297 185.34197.64 7.265 184.53 7.281 184.94 7.297 185.34200.82 7.312 185.72 7.328 186.13 7.344 186.54203.99 7.312 185.72 7.328 186.13 7.344 186.54207.17 7.500 190.50 7.516 190.91 7.532 191.31210.34 7.500 190.50 7.516 190.91 7.532 191.31214.31 7.687 195.25 7.703 195.66 7.719 196.06
230.19
Drill Collar
8.484 215.49 8.5 215.90 8.516 216.31233.36 8.484 215.49 8.5 215.90 8.516 216.31236.54 8.609 218.67 8.625 219.08 8.641 219.48239.71 8.609 218.67 8.625 219.08 8.641 219.48242.89 8.796 223.42 8.812 223.82 8.828 224.23246.06 8.796 223.42 8.812 223.82 8.828 224.23
246.06
Drill Collar
9.234 234.54 9.25 234.95 9.266 235.36250.83 9.234 234.54 9.25 234.95 9.266 235.36254.00 9.234 234.54 9.25 234.95 9.266 235.36257.18 9.234 234.54 9.25 234.95 9.266 235.36260.35 9.234 234.54 9.25 234.95 9.266 235.36
260.35
Drill Collar
9.703 246.46 9.719 246.86 9.735 247.27263.53 9.703 246.46 9.719 246.86 9.735 247.27266.70 9.703 246.46 9.719 246.86 9.735 247.27269.88 9.703 246.46 9.719 246.86 9.735 247.27273.05 9.875 250.83 9.891 251.23 9.907 251.64276.22 9.875 250.83 9.891 251.23 9.907 251.64279.40 10.062 255.57 10.078 255.98 10.094 256.39282.58 10.062 255.57 10.078 255.98 10.094 256.39
276.22
Drill Collar
10.484 266.29 10.5 266.70 10.516 267.11279.40 10.484 266.29 10.5 266.70 10.516 267.11282.58 10.484 266.29 10.5 266.70 10.516 267.11282.58 10.484 266.29 10.5 266.70 10.516 267.11
188.12
Drill Collar
7.031 178.59 7.047 178.99 7.063 179.40191.29 7.031 178.59 7.047 178.99 7.063 179.40194.47 7.078 179.78 7.094 180.19 7.110 180.59197.64 7.078 179.78 7.094 180.19 7.110 180.59200.82 7.265 184.53 7.281 184.94 7.297 185.34203.99 7.265 184.53 7.281 184.94 7.297 185.34207.17 7.453 189.31 7.469 189.71 7.485 190.12
220.66
Drill Collar
8.187 207.95 8.203 208.36 8.219 208.76223.84 8.187 207.95 8.203 208.36 8.219 208.76227.01 8.250 209.55 8.266 209.96 8.282 210.36230.19 8.250 209.55 8.266 209.96 8.282 210.36233.36 8.437 214.30 8.453 214.71 8.469 215.11236.54 8.437 214.30 8.453 214.71 8.469 215.11239.71 8.625 219.08 8.641 219.48 8.657 219.89
125.81
Drill Collar
4.656 118.26 4.672 118.67 4.688 119.08128.98 4.656 118.26 4.672 118.67 4.688 119.08132.16 4.843 123.01 4.859 123.42 4.875 123.82135.33 4.843 123.01 4.859 123.42 4.875 123.82
149.23
Drill Collar
5.578 141.68 5.594 142.09 5.610 142.49152.40 5.578 141.68 5.594 142.09 5.610 142.49155.58 5.703 144.86 5.719 145.26 5.735 145.67158.75 5.703 144.86 5.719 145.26 5.735 145.67161.92 5.890 149.61 5.906 150.01 5.922 150.42
210.34
Drill Collar
7.828 198.83 7.844 199.24 7.860 199.64214.31 7.828 198.83 7.844 199.24 7.860 199.64217.49 7.875 200.02 7.891 200.43 7.907 200.84220.66 7.875 200.02 7.891 200.43 7.907 200.84223.84 8.062 204.77 8.078 205.18 8.094 205.59227.01 8.062 204.77 8.078 205.18 8.094 205.59230.19 8.250 209.55 8.266 209.96 8.282 210.36
API SPEC 7.1 Table A.15OD Max Tol2.5-3.5 0.0468753.5-4.5 0.06254.5-5.5 0.0781255.5-6.5 0.1256.5-8.25 0.156258.25-9.5 0.1875
9.5 0.25API Spec. 7-2 Standard
Outside DiameterEquipmentMin Max
inch mm inch mm0.046875 NC23 3.125 79.38 3.172 80.57 Drill Collar0.046875
NC26
3.375 85.73 3.422 86.92
Drill Collar0.0625 3.500 88.90 3.563 90.490.0625 3.625 92.07 3.688 93.660.0625 3.750 95.25 3.813 96.840.0625 3.875 98.43 3.938 100.010.0625
NC31
4.125 104.77 4.188 106.36Drill Collar0.0625 4.250 107.95 4.313 109.54
0.0625 4.375 111.13 4.438 112.710.078125
NC35
4.500 114.30 4.578 116.28Drill Collar0.078125 4.625 117.48 4.703 119.46
0.078125 4.750 120.65 4.828 122.630.078125
NC38
4.750 120.65 4.828 122.63
Drill Collar0.078125 4.875 123.82 4.953 125.810.078125 5.000 127.00 5.078 128.980.078125 5.125 130.17 5.203 132.160.078125 5.250 133.35 5.328 135.330.078125
NC40
5.250 133.35 5.328 135.33
Drill Collar0.078125 5.375 136.53 5.453 138.51
0.125 5.500 139.70 5.625 142.880.125 5.625 142.88 5.750 146.050.125 5.750 146.05 5.875 149.230.125
NC44
5.500 139.70 5.625 142.88
Drill Collar
0.125 5.625 142.88 5.750 146.050.125 5.750 146.05 5.875 149.230.125 5.875 149.23 6.000 152.400.125 6.000 152.40 6.125 155.580.125 6.125 155.58 6.250 158.750.125 6.250 158.75 6.375 161.920.125
NC46
6.000 152.40 6.125 155.58
Drill Collar
0.125 6.125 155.58 6.250 158.750.125 6.250 158.75 6.375 161.920.125 6.375 161.92 6.500 165.10
0.15625 6.500 165.10 6.656 169.070.15625 6.625 168.27 6.781 172.240.15625 6.750 171.45 6.906 175.420.15625 6.875 174.63 7.031 178.59
0.15625
NC50
6.375 161.92 6.531 165.89
Drill Collar
0.15625 6.500 165.10 6.656 169.070.15625 6.625 168.27 6.781 172.240.15625 6.750 171.45 6.906 175.420.15625 6.875 174.63 7.031 178.590.15625 7.000 177.80 7.156 181.770.15625 7.125 180.98 7.281 184.940.15625 7.250 184.15 7.406 188.120.15625
NC56
7.250 184.15 7.406 188.12
Drill Collar
0.15625 7.375 187.33 7.531 191.290.15625 7.500 190.50 7.656 194.470.15625 7.625 193.67 7.781 197.640.15625 7.750 196.85 7.906 200.820.15625 7.875 200.02 8.031 203.990.15625 8.000 203.20 8.156 207.170.15625
NC61
8.000 203.20 8.156 207.17
Drill Collar
0.1875 8.250 209.55 8.438 214.310.1875 8.375 212.73 8.563 217.490.1875 8.500 215.90 8.688 220.660.1875 8.625 219.08 8.813 223.840.1875 8.750 222.25 8.938 227.010.1875 8.875 225.42 9.063 230.190.1875 9.000 228.60 9.188 233.360.1875
NC70
9.250 234.95 9.438 239.71
Drill Collar
0.1875 9.375 238.13 9.563 242.890.1875 9.500 241.30 9.688 246.06
0.25 9.625 244.48 9.875 250.830.25 9.750 247.65 10.000 254.000.25 9.875 250.83 10.125 257.180.25 10.000 254.00 10.250 260.35
0.25
NC77
10.500 266.70 10.750 273.05
Drill Collar
0.25 10.625 269.88 10.875 276.220.25 10.750 273.05 11.000 279.400.25 10.875 276.22 11.125 282.580.25 11.000 279.40 11.250 285.750.25 11.125 282.58 11.375 288.93
Tab A.22 (spec 7-1) 0.031251 REG
1.563 39.70 1.594 40.49Drill Collar0.03125 1.688 42.88 1.719 43.67
0.031251-1/2 REG
2.063 52.40 2.094 53.19Drill Collar0.03125 2.188 55.58 2.219 56.37
0.046875
2-3/8 REG
3.125 79.38 3.172 80.57
Drill Collar
0.046875 3.250 82.55 3.297 83.740.046875 3.375 85.73 3.422 86.920.046875 3.500 88.90 3.547 90.09
0.0625 2-7/8 REG 3.875 98.43 3.938 100.01 Drill Collar
0.06253-1/2 REG
4.375 111.13 4.438 112.71Drill Collar0.0625 4.500 114.30 4.563 115.89
0.125
4-1/2 REG
5.500 139.70 5.625 142.88
Drill Collar0.125 5.625 142.88 5.750 146.050.125 5.750 146.05 5.875 149.230.125 5.875 149.23 6.000 152.400.125 6.000 152.40 6.125 155.58
0.15625
5-1/2 REG
6.750 171.45 6.906 175.42
Drill Collar
0.15625 6.875 174.63 7.031 178.590.15625 7.000 177.80 7.156 181.770.15625 7.125 180.98 7.281 184.940.15625 7.250 184.15 7.406 188.120.15625 7.375 187.33 7.531 191.290.15625 7.500 190.50 7.656 194.47
0.15625
6-5/8 REG
7.500 190.50 7.656 194.47
Drill Collar
0.15625 7.625 193.67 7.781 197.640.15625 7.750 196.85 7.906 200.820.15625 7.875 200.02 8.031 203.990.15625 8.000 203.20 8.156 207.170.15625 8.125 206.38 8.281 210.34
0.1875 8.250 209.55 8.438 214.31
0.1875
7-5/8 REG FF
8.875 225.42 9.063 230.19
Drill Collar
0.1875 9.000 228.60 9.188 233.360.1875 9.125 231.77 9.313 236.540.1875 9.250 234.95 9.438 239.710.1875 9.375 238.13 9.563 242.890.1875 9.500 241.30 9.688 246.06
0.1875
7-5/8 REG LT
9.500 241.30 9.688 246.06
Drill Collar0.25 9.625 244.48 9.875 250.830.25 9.750 247.65 10.000 254.000.25 9.875 250.83 10.125 257.180.25 10.000 254.00 10.250 260.35
0.25
8-5/8 REG FF
10.000 254.00 10.250 260.35
Drill Collar
0.25 10.125 257.18 10.375 263.530.25 10.250 260.35 10.500 266.700.25 10.375 263.53 10.625 269.880.25 10.500 266.70 10.750 273.050.25 10.625 269.88 10.875 276.220.25 10.750 273.05 11.000 279.400.25 10.875 276.22 11.125 282.58
0.25
8-5/8 REG LT
10.625 269.88 10.875 276.22
Drill Collar0.25 10.750 273.05 11.000 279.400.25 10.875 276.22 11.125 282.580.25 10.875 276.22 11.125 282.58
0.15625
5-1/2 FH
7.250 184.15 7.406 188.12
Drill Collar
0.15625 7.375 187.33 7.531 191.290.15625 7.500 190.50 7.656 194.470.15625 7.625 193.67 7.781 197.640.15625 7.750 196.85 7.906 200.820.15625 7.875 200.02 8.031 203.990.15625 8.000 203.20 8.156 207.17
0.1875
6-5/8FH
8.500 215.90 8.688 220.66
Drill Collar
0.1875 8.625 219.08 8.813 223.840.1875 8.750 222.25 8.938 227.010.1875 8.875 225.42 9.063 230.190.1875 9.000 228.60 9.188 233.360.1875 9.125 231.77 9.313 236.540.1875 9.250 234.95 9.438 239.71
0.078125
3-1/2 FH
4.875 123.82 4.953 125.81
Drill Collar0.078125 5.000 127.00 5.078 128.980.078125 5.125 130.17 5.203 132.160.078125 5.250 133.35 5.328 135.33
0.125
4-1/2FH
5.750 146.05 5.875 149.23
Drill Collar0.125 5.875 149.23 6.000 152.400.125 6.000 152.40 6.125 155.580.125 6.125 155.58 6.250 158.750.125 6.250 158.75 6.375 161.92
0.15625
5-1/2 IF
8.125 206.38 8.281 210.34
Drill Collar
0.1875 8.250 209.55 8.438 214.310.1875 8.375 212.73 8.563 217.490.1875 8.500 215.90 8.688 220.660.1875 8.625 219.08 8.813 223.840.1875 8.750 222.25 8.938 227.010.1875 8.875 225.42 9.063 230.19
API Spec. 7-2 Standard
EquipmentBevel Diameter
Min Maxinch mm inch mm
Drill Collar 2.984 75.79 3.016 76.61
Drill Collar
3.312 84.12 3.344 84.943.312 84.12 3.344 84.943.437 87.30 3.469 88.113.437 87.30 3.469 88.113.625 92.07 3.657 92.89
Drill Collar3.984 101.19 4.016 102.013.984 101.19 4.016 102.014.125 104.77 4.157 105.59
Drill Collar4.328 109.93 4.360 110.744.328 109.93 4.360 110.744.500 114.30 4.532 115.11
Drill Collar
4.625 117.48 4.657 118.294.625 117.48 4.657 118.294.750 120.65 4.782 121.464.750 120.65 4.782 121.464.937 125.40 4.969 126.21
Drill Collar
5.031 127.79 5.063 128.605.031 127.79 5.063 128.605.187 131.75 5.219 132.565.187 131.75 5.219 132.565.375 136.53 5.407 137.34
Drill Collar
5.422 137.72 5.454 138.535.422 137.72 5.454 138.535.484 139.29 5.516 140.115.484 139.29 5.516 140.115.672 144.07 5.704 144.885.672 144.07 5.704 144.885.859 148.82 5.891 149.63
Drill Collar
5.703 144.86 5.735 145.675.703 144.86 5.735 145.675.890 149.61 5.922 150.425.890 149.61 5.922 150.426.078 154.38 6.110 155.196.078 154.38 6.110 155.196.265 159.13 6.297 159.946.265 159.13 6.297 159.94
Drill Collar
6.328 160.73 6.360 161.546.328 160.73 6.360 161.546.328 160.73 6.360 161.546.328 160.73 6.360 161.546.468 164.29 6.500 165.106.468 164.29 6.500 165.106.656 169.06 6.688 169.886.656 169.06 6.688 169.88
Drill Collar
7.062 179.37 7.094 180.197.062 179.37 7.094 180.197.093 180.16 7.125 180.987.093 180.16 7.125 180.987.281 184.94 7.313 185.757.281 184.94 7.313 185.757.468 189.69 7.500 190.50
Drill Collar
7.750 196.85 7.782 197.667.796 198.02 7.828 198.837.796 198.02 7.828 198.837.984 202.79 8.016 203.617.984 202.79 8.016 203.618.172 207.57 8.204 208.388.172 207.57 8.204 208.388.359 212.32 8.391 213.13
Drill Collar
8.906 226.21 8.938 227.038.906 226.21 8.938 227.038.953 227.41 8.985 228.228.953 227.41 8.985 228.229.140 232.16 9.172 232.979.140 232.16 9.172 232.979.328 236.93 9.360 237.74
Drill Collar
9.875 250.83 9.907 251.649.875 250.83 9.907 251.64
10.062 255.57 10.094 256.3910.062 255.57 10.094 256.3910.250 260.35 10.282 261.1610.250 260.35 10.282 261.16
Drill Collar1.500 38.10 1.532 38.911.500 38.10 1.532 38.91
Drill Collar1.984 50.39 2.016 51.211.984 50.39 2.016 51.21
Drill Collar
3.000 76.20 3.032 77.013.000 76.20 3.032 77.013.187 80.95 3.219 81.763.187 80.95 3.219 81.76
Drill Collar 3.562 90.47 3.594 91.29
Drill Collar4.109 104.37 4.141 105.184.250 107.95 4.282 108.76
Drill Collar
5.406 137.31 5.438 138.135.406 137.31 5.438 138.135.468 138.89 5.500 139.705.468 138.89 5.500 139.705.656 143.66 5.688 144.48
Drill Collar
6.578 167.08 6.610 167.896.578 167.08 6.610 167.896.640 168.66 6.672 169.476.640 168.66 6.672 169.476.828 173.43 6.860 174.246.828 173.43 6.860 174.247.015 178.18 7.047 178.99
Drill Collar
7.265 184.53 7.297 185.347.265 184.53 7.297 185.347.312 185.72 7.344 186.547.312 185.72 7.344 186.547.500 190.50 7.532 191.317.500 190.50 7.532 191.317.687 195.25 7.719 196.06
Drill Collar
8.484 215.49 8.516 216.318.484 215.49 8.516 216.318.609 218.67 8.641 219.488.609 218.67 8.641 219.488.796 223.42 8.828 224.238.796 223.42 8.828 224.23
Drill Collar
9.234 234.54 9.266 235.369.234 234.54 9.266 235.369.234 234.54 9.266 235.369.234 234.54 9.266 235.369.234 234.54 9.266 235.36
Drill Collar
9.703 246.46 9.735 247.279.703 246.46 9.735 247.279.703 246.46 9.735 247.279.703 246.46 9.735 247.279.875 250.83 9.907 251.649.875 250.83 9.907 251.64
10.062 255.57 10.094 256.3910.062 255.57 10.094 256.39
Drill Collar
10.484 266.29 10.516 267.1110.484 266.29 10.516 267.1110.484 266.29 10.516 267.1110.484 266.29 10.516 267.11
Drill Collar
7.031 178.59 7.063 179.407.031 178.59 7.063 179.407.078 179.78 7.110 180.597.078 179.78 7.110 180.597.265 184.53 7.297 185.347.265 184.53 7.297 185.347.453 189.31 7.485 190.12
Drill Collar
8.187 207.95 8.219 208.768.187 207.95 8.219 208.768.250 209.55 8.282 210.368.250 209.55 8.282 210.368.437 214.30 8.469 215.118.437 214.30 8.469 215.118.625 219.08 8.657 219.89
Drill Collar
4.656 118.26 4.688 119.084.656 118.26 4.688 119.084.843 123.01 4.875 123.824.843 123.01 4.875 123.82
Drill Collar
5.578 141.68 5.610 142.495.578 141.68 5.610 142.495.703 144.86 5.735 145.675.703 144.86 5.735 145.675.890 149.61 5.922 150.42
Drill Collar
7.828 198.83 7.860 199.647.828 198.83 7.860 199.647.875 200.02 7.907 200.847.875 200.02 7.907 200.848.062 204.77 8.094 205.598.062 204.77 8.094 205.598.250 209.55 8.282 210.36
API SPEC 7.1 Table A.15OD Max Tol2.5-3.5 0.0468753.5-4.5 0.06254.5-5.5 0.0781255.5-6.5 0.1256.5-8.25 0.156258.25-9.5 0.1875
9.5 0.25
Outside DiameterRevised 2010 Bevel Diameter
Mininch mm inch mm
0.046875
NC26
3-3/8 (3.375) 85.73 3-19/64 (3.297) 83.740.0625 3-1/2 (3.500) 88.90 3-5/16 (3.313) 84.140.0625 3-5/8 (3.625) 92.07 3-5/16 (3.313) 84.140.0625 3-3/4 (3.750) 95.25 3-5/16 (3.313) 84.140.0625 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.0625
NC31
4-1/8 (4.125) 104.77 3-63/64 (3.984) 101.200.0625 4-1/4 (4.250) 107.95 3-63/64 (3.984) 101.200.0625 4-3/8 (4.375) 111.13 3-63/64 (3.984) 101.20
0.078125
NC35
4-7/8 (4.875) 123.82 3-5/16 (3.313) 84.140.078125 4-7/8 (4.875) 123.82 3-5/16 (3.313) 84.140.078125 5-7/8 (5.875) 149.23 3-5/16 (3.313) 84.140.078125
NC38
4-3/4 (4.750) 120.65 4-39/64 (4.609) 117.080.078125 4-7/8 (4.875) 123.82 4-39/64 (4.609) 117.080.078125 5-/1 (5.000) 127.00 4-39/64 (4.609) 117.080.078125 5-1/8 (5.125) 130.17 4-39/64 (4.609) 117.080.078125 5-1/4 (5.250) 133.35 4-39/64 (4.609) 117.080.078125
NC40
5-1/4 (5.250) 133.35 5-1/32 (5.031) 127.790.078125 5-3/8 (5.375) 136.53 5-1/32 (5.031) 127.79
0.125 5-1/2 (5.500) 139.70 5-1/32 (5.031) 127.790.125 5-5/8 (5.625) 142.88 5-1/32 (5.031) 127.790.125 5-3/4 (5.750) 146.05 5-1/32 (5.031) 127.790.125
NC44
3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125 3-7/8 (3.875) 98.43 3-5/16 (3.313) 84.140.125
NC46
6-0/1 (6.000) 152.40 5-45/64 (5.703) 144.860.125 6-1/8 (6.125) 155.58 5-45/64 (5.703) 144.860.125 6-1/4 (6.250) 158.75 5-45/64 (5.703) 144.860.125 6-3/8 (6.375) 161.92 5-45/64 (5.703) 144.860.125 6-1/2 (6.500) 165.10 5-45/64 (5.703) 144.86
0.15625 6-5/8 (6.625) 168.27 5-45/64 (5.703) 144.860.15625 6-3/4 (6.750) 171.45 5-45/64 (5.703) 144.860.15625 6-7/8 (6.875) 174.63 5-45/64 (5.703) 144.860.15625
NC50
6-1/4 (6.250) 158.75 6-11/64 (6.172) 156.77
0.15625
NC50
6-3/8 (6.375) 161.92 6-19/64 (6.297) 159.940.15625 6-1/2 (6.500) 165.10 6-21/64 (6.328) 160.730.15625 6-5/8 (6.625) 168.27 6-21/64 (6.328) 160.730.15625 6-3/4 (6.750) 171.45 6-21/64 (6.328) 160.730.15625 6-7/8 (6.875) 174.63 6-21/64 (6.328) 160.730.15625 7-0/1 (7.000) 177.80 6-21/64 (6.328) 160.730.15625 7-1/8 (7.125) 180.98 6-21/64 (6.328) 160.730.15625 7-1/4 (7.250) 184.15 6-21/64 (6.328) 160.730.15625
NC56
7-1/4 (7.250) 184.15 7-1/16 (7.063) 179.390.15625 7-3/8 (7.375) 187.33 7-1/16 (7.063) 179.390.15625 7-1/2 (7.500) 190.50 7-1/16 (7.063) 179.390.15625 7-5/8 (7.625) 193.67 7-1/16 (7.063) 179.390.15625 7-3/4 (7.750) 196.85 7-1/16 (7.063) 179.390.15625 7-7/8 (7.875) 200.02 7-1/16 (7.063) 179.390.15625 8-0/1 (8.000) 203.20 7-1/16 (7.063) 179.390.15625
NC61
8-0/1 (8.000) 203.20 7-47/64 (7.734) 196.450.1875 8-1/8 (8.125) 206.38 7-47/64 (7.734) 196.450.1875 8-1/4 (8.250) 209.55 7-47/64 (7.734) 196.450.1875 8-3/8 (8.375) 212.73 7-47/64 (7.734) 196.450.1875 8-1/2 (8.500) 215.90 7-47/64 (7.734) 196.450.1875 8-5/8 (8.625) 219.08 7-47/64 (7.734) 196.450.1875 8-3/4 (8.750) 222.25 7-47/64 (7.734) 196.450.1875 8-7/8 (8.875) 225.42 7-47/64 (7.734) 196.450.1875 9-0/1 (9.000) 228.60 7-47/64 (7.734) 196.450.1875
NC70
9-1/4 (9.250) 234.95 8-57/64 (8.891) 225.820.1875 9-3/8 (9.375) 238.13 8-57/64 (8.891) 225.82
0.25 9-1/2 (9.500) 241.30 8-57/64 (8.891) 225.820.25 9-5/8 (9.625) 244.48 8-57/64 (8.891) 225.820.25 9-3/4 (9.750) 247.65 8-57/64 (8.891) 225.820.25 9-7/8 (9.875) 250.83 8-57/64 (8.891) 225.820.25 10-0/1 (10.000) 254.00 8-57/64 (8.891) 225.82
0.1875
NC77
10-1/2 (10.500) 266.70 9-51/64 (9.797) 248.840.1875 10-5/8 (10.625) 269.88 9-51/64 (9.797) 248.84
0.25 10-3/4 (10.750) 273.05 9-51/64 (9.797) 248.840.25 10-7/8 (10.875) 276.22 9-51/64 (9.797) 248.840.25 11-0/1 (11.000) 279.40 9-51/64 (9.797) 248.840.25 11-1/8 (11.125) 282.58 9-51/64 (9.797) 248.84
0.078125
2-3/8 REG
3-1/8 (3.125) 79.38 2-31/32 (2.969) 75.410.078125 3-1/4 (3.250) 82.55 2-31/32 (2.969) 75.410.078125 3-3/8 (3.375) 85.73 2-31/32 (2.969) 75.410.078125 3-1/2 (3.500) 88.90 2-31/32 (2.969) 75.41
0.0625 2-7/8 REG 3-7/8 (3.875) 98.43 3-31/64 (3.484) 88.50
0.0781253-1/2 REG
4-3/8 (4.375) 111.13 4-3/32 (4.094) 103.980.078125 4-1/2 (4.500) 114.30 4-3/32 (4.094) 103.98
0.078125
4-1/2 REG
5-1/2 (5.500) 139.70 5-25/64 (5.391) 136.92
0.078125
4-1/2 REG
5-5/8 (5.625) 142.88 5-25/64 (5.391) 136.920.125 5-3/4 (5.750) 146.05 5-25/64 (5.391) 136.920.125 5-7/8 (5.875) 149.23 5-25/64 (5.391) 136.920.125 6-0/1 (6.000) 152.40 5-25/64 (5.391) 136.92
0.125
5-1/2 REG
6-5/8 (6.625) 168.27 6-35/64 (6.547) 166.290.125 6-3/4 (6.750) 171.45 6-9/16 (6.563) 166.690.125 6-7/8 (6.875) 174.63 6-9/16 (6.563) 166.690.125 7-0/1 (7.000) 177.80 6-9/16 (6.563) 166.690.125 7-1/8 (7.125) 180.98 6-9/16 (6.563) 166.69
0.15625 7-1/4 (7.250) 184.15 6-9/16 (6.563) 166.690.15625 7-3/8 (7.375) 187.33 6-9/16 (6.563) 166.690.15625 7-1/2 (7.500) 190.50 6-9/16 (6.563) 166.69
0.15625
6-5/8 REG
7-1/2 (7.500) 190.50 7-5/32 (7.156) 181.770.15625 7-5/8 (7.625) 193.67 7-5/32 (7.156) 181.770.15625 7-3/4 (7.750) 196.85 7-5/32 (7.156) 181.770.15625 7-7/8 (7.875) 200.02 7-5/32 (7.156) 181.770.15625 8-0/1 (8.000) 203.20 7-5/32 (7.156) 181.770.15625 8-1/8 (8.125) 206.38 7-5/32 (7.156) 181.770.15625 8-1/4 (8.250) 209.55 7-5/32 (7.156) 181.77
0.15625
7-5/8 REG FF
8-5/8 (8.625) 219.08 8-31/64 (8.484) 215.500.15625 8-3/4 (8.750) 222.25 8-31/64 (8.484) 215.500.15625 8-7/8 (8.875) 225.42 8-31/64 (8.484) 215.500.15625 9-0/1 (9.000) 228.60 8-31/64 (8.484) 215.500.15625 9-1/8 (9.125) 231.77 8-31/64 (8.484) 215.500.15625 9-1/4 (9.250) 234.95 8-31/64 (8.484) 215.500.15625 9-3/8 (9.375) 238.13 8-31/64 (8.484) 215.500.15625 9-1/2 (9.500) 241.30 8-31/64 (8.484) 215.50
0.15625 7-5/8 REG LT 9-1/2 (9.500) 241.30 8-15/16 (8.938) 227.01
0.15625
8-5/8 REG FF
9-5/8 (9.625) 244.48 9-35/64 (9.547) 242.490.15625 9-3/4 (9.750) 247.65 9-43/64 (9.672) 245.670.15625 9-7/8 (9.875) 250.83 9-45/64 (9.703) 246.460.15625 10-0/1 (10.000) 254.00 9-45/64 (9.703) 246.460.15625 10-1/8 (10.125) 257.18 9-45/64 (9.703) 246.460.15625 10-1/4 (10.250) 260.35 9-45/64 (9.703) 246.460.15625 10-3/8 (10.375) 263.53 9-45/64 (9.703) 246.460.15625 10-1/2 (10.500) 266.70 9-45/64 (9.703) 246.46
0.15625 8-5/8 REG LT 10-5/8 (10.625) 269.88 10-3/32 (10.094) 256.38
0.078125
3-1/2 FH
4-7/8 (4.875) 123.82 4-5/8 (4.625) 117.480.078125 5-0/1 (5.000) 127.00 4-5/8 (4.625) 117.480.078125 5-1/8 (5.125) 130.17 4-5/8 (4.625) 117.480.078125 5-1/4 (5.250) 133.35 4-5/8 (4.625) 117.48
0.125
4-1/2 FH
5-3/4 (5.750) 146.05 5-37/64 (5.578) 141.68
0.125
4-1/2 FH
5-7/8 (5.875) 149.23 5-37/64 (5.578) 141.680.125 6-0/1 (6.000) 152.40 5-37/64 (5.578) 141.680.125 6-1/8 (6.125) 155.58 5-37/64 (5.578) 141.680.125 6-1/4 (6.250) 158.75 5-37/64 (5.578) 141.68
0.15625
5-1/2 FH
6-7/8 (6.875) 174.63 6-51/64 (6.797) 172.640.15625 7-0/1 (7.000) 177.80 6-59/64 (6.922) 175.820.15625 7-1/8 (7.125) 180.98 7-1/64 (7.016) 178.200.15625 7-1/4 (7.250) 184.15 7-1/64 (7.016) 178.200.15625 7-3/8 (7.375) 187.33 7-1/16 (7.063) 179.390.15625 7-1/2 (7.500) 190.50 7-1/16 (7.063) 179.390.15625 7-5/8 (7.625) 193.67 7-1/16 (7.063) 179.390.15625 7-3/4 (7.750) 196.85 7-1/16 (7.063) 179.390.15625 7-7/8 (7.875) 200.02 7-1/16 (7.063) 179.390.15625 8-0/1 (8.000) 203.20 7-1/16 (7.063) 179.39
0.15625
6-5/8FH
8-0/1 (8.000) 203.20 7-59/64 (7.922) 201.220.15625 8-1/8 (8.125) 206.38 8-3/64 (8.047) 204.390.15625 8-1/4 (8.250) 209.55 8-11/64 (8.172) 207.570.15625 8-3/8 (8.375) 212.73 8-3/16 (8.188) 207.960.15625 8-1/2 (8.500) 215.90 8-3/16 (8.188) 207.960.15625 8-5/8 (8.625) 219.08 8-3/16 (8.188) 207.960.15625 8-3/4 (8.750) 222.25 8-3/16 (8.188) 207.960.15625 8-7/8 (8.875) 225.42 8-3/16 (8.188) 207.960.15625 9-0/1 (9.000) 228.60 8-3/16 (8.188) 207.960.15625 9-1/8 (9.125) 231.77 8-3/16 (8.188) 207.960.15625 9-1/4 (9.250) 234.95 8-3/16 (8.188) 207.96
Revised 2010 Bevel Diameter Outside Diameter Min maxMax
inch mm3-11/32 (3.344) 84.93 3 3 8 3.375 3 19 64 3.297 3 113-29/64 (3.453) 87.71 3 1 2 3.500 3 5 16 3.313 3 293-15/32 (3.469) 88.11 3 5 8 3.625 3 5 16 3.313 3 153-15/32 (3.469) 88.11 3 3 4 3.750 3 5 16 3.313 3 153-21/32 (3.656) 92.87 3 7 8 3.875 3 5 16 3.313 3 214-5/64 (4.078) 103.58 4 1 8 4.125 3 63 64 3.984 4 5
4-13/64 (4.203) 106.76 4 1 4 4.250 3 63 64 3.984 4 134-21/64 (4.328) 109.93 4 3 8 4.375 3 63 64 3.984 4 21
#DIV/0! #DIV/0! 4 7 8 4.875 3 5 16 3.313#DIV/0! #DIV/0! 4 7 8 4.875 3 5 16 3.313#DIV/0! #DIV/0! 5 7 8 5.875 3 5 16 3.313
4-45/64 (4.703) 119.46 4 3 4 4.750 4 39 64 4.609 4 454-53/64 (4.828) 122.63 4 7 8 4.875 4 39 64 4.609 4 534-61/64 (4.953) 125.81 5 1 5.000 4 39 64 4.609 4 615-5/64 (5.078) 128.98 5 1 8 5.125 4 39 64 4.609 5 55-5/64 (5.078) 128.98 5 1 4 5.250 4 39 64 4.609 5 5
5-13/64 (5.203) 132.16 5 1 4 5.250 5 1 32 5.031 5 135-21/64 (5.328) 135.33 5 3 8 5.375 5 1 32 5.031 5 215-27/64 (5.422) 137.72 5 1 2 5.500 5 1 32 5.031 5 275-27/64 (5.422) 137.72 5 5 8 5.625 5 1 32 5.031 5 275-27/64 (5.422) 137.72 5 3 4 5.750 5 1 32 5.031 5 27
#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313#DIV/0! #DIV/0! 3 7 8 3.875 3 5 16 3.313
5-61/64 (5.953) 151.21 6 0 1 6.000 5 45 64 5.703 5 616-5/64 (6.078) 154.38 6 1 8 6.125 5 45 64 5.703 6 5
6-13/64 (6.203) 157.56 6 1 4 6.250 5 45 64 5.703 6 136-19/64 (6.297) 159.94 6 3 8 6.375 5 45 64 5.703 6 196-19/64 (6.297) 159.94 6 1 2 6.500 5 45 64 5.703 6 196-19/64 (6.297) 159.94 6 5 8 6.625 5 45 64 5.703 6 196-19/64 (6.297) 159.94 6 3 4 6.750 5 45 64 5.703 6 196-19/64 (6.297) 159.94 6 7 8 6.875 5 45 64 5.703 6 196-13/64 (6.203) 157.56 6 1 4 6.250 6 11 64 6.172 6 13
6-23/64 (6.359) 161.53 6 3 8 6.375 6 19 64 6.297 6 236-29/64 (6.453) 163.91 6 1 2 6.500 6 21 64 6.328 6 296-37/64 (6.578) 167.08 6 5 8 6.625 6 21 64 6.328 6 376-45/64 (6.703) 170.26 6 3 4 6.750 6 21 64 6.328 6 456-51/64 (6.797) 172.64 6 7 8 6.875 6 21 64 6.328 6 516-51/64 (6.797) 172.64 7 0 1 7.000 6 21 64 6.328 6 516-51/64 (6.797) 172.64 7 1 8 7.125 6 21 64 6.328 6 516-51/64 (6.797) 172.64 7 1 4 7.250 6 21 64 6.328 6 517-13/64 (7.203) 182.96 7 1 4 7.250 7 1 16 7.063 7 137-21/64 (7.328) 186.13 7 3 8 7.375 7 1 16 7.063 7 217-29/64 (7.453) 189.31 7 1 2 7.500 7 1 16 7.063 7 297-37/64 (7.578) 192.48 7 5 8 7.625 7 1 16 7.063 7 377-45/64 (7.703) 195.66 7 3 4 7.750 7 1 16 7.063 7 457-53/64 (7.828) 198.83 7 7 8 7.875 7 1 16 7.063 7 537-29/32 (7.906) 200.82 8 0 1 8.000 7 1 16 7.063 7 297-61/64 (7.953) 202.01 8 0 1 8.000 7 47 64 7.734 7 618-5/64 (8.078) 205.18 8 1 8 8.125 7 47 64 7.734 8 5
8-13/64 (8.203) 208.36 8 1 4 8.250 7 47 64 7.734 8 138-21/64 (8.328) 211.53 8 3 8 8.375 7 47 64 7.734 8 218-29/64 (8.453) 214.71 8 1 2 8.500 7 47 64 7.734 8 298-37/64 (8.578) 217.88 8 5 8 8.625 7 47 64 7.734 8 378-45/64 (8.703) 221.06 8 3 4 8.750 7 47 64 7.734 8 458-53/64 (8.828) 224.23 8 7 8 8.875 7 47 64 7.734 8 538-27/32 (8.844) 224.63 9 0 1 9.000 7 47 64 7.734 8 279-13/64 (9.203) 233.76 9 1 4 9.250 8 57 64 8.891 9 139-21/64 (9.328) 236.93 9 3 8 9.375 8 57 64 8.891 9 219-29/64 (9.453) 240.11 9 1 2 9.500 8 57 64 8.891 9 299-37/64 (9.578) 243.28 9 5 8 9.625 8 57 64 8.891 9 379-45/64 (9.703) 246.46 9 3 4 9.750 8 57 64 8.891 9 459-53/64 (9.828) 249.63 9 7 8 9.875 8 57 64 8.891 9 539-61/64 (9.953) 252.81 10 0 1 10.000 8 57 64 8.891 9 61
10-29/64 (10.453) 265.51 10 1 2 10.500 9 51 64 9.797 10 2910-37/64 (10.578) 268.68 10 5 8 10.625 9 51 64 9.797 10 3710-45/64 (10.703) 271.86 10 3 4 10.750 9 51 64 9.797 10 4510-53/64 (10.828) 275.03 10 7 8 10.875 9 51 64 9.797 10 5310-61/64 (10.953) 278.21 11 0 1 11.000 9 51 64 9.797 10 6111-5/64 (11.078) 281.38 11 1 8 11.125 9 51 64 9.797 11 5
3-5/64 (3.078) 78.18 3 1 8 3.125 2 31 32 2.969 3 53-13/64 (3.203) 81.36 3 1 4 3.250 2 31 32 2.969 3 133-19/64 (3.297) 83.74 3 3 8 3.375 2 31 32 2.969 3 193-19/64 (3.297) 83.74 3 1 2 3.500 2 31 32 2.969 3 19
3-51/64 (3.797) 96.44 3 7 8 3.875 3 31 64 3.484 3 51
4-21/64 (4.328) 109.93 4 3 8 4.375 4 3 32 4.094 4 214-29/64 (4.453) 113.11 4 1 2 4.500 4 3 32 4.094 4 29
5-29/64 (5.453) 138.51 5 1 2 5.500 5 25 64 5.391 5 29
5-37/64 (5.578) 141.68 5 5 8 5.625 5 25 64 5.391 5 375-45/64 (5.703) 144.86 5 3 4 5.750 5 25 64 5.391 5 455-53/64 (5.828) 148.03 5 7 8 5.875 5 25 64 5.391 5 535-29/64 (5.453) 138.51 6 0 1 6.000 5 25 64 5.391 5 29
6-37/64 (6.578) 167.08 6 5 8 6.625 6 35 64 6.547 6 376-45/64 (6.703) 170.26 6 3 4 6.750 6 9 16 6.563 6 456-53/64 (6.828) 173.43 6 7 8 6.875 6 9 16 6.563 6 536-61/64 (6.953) 176.61 7 0 1 7.000 6 9 16 6.563 6 617-5/64 (7.078) 179.78 7 1 8 7.125 6 9 16 6.563 7 57-3/16 (7.188) 182.56 7 1 4 7.250 6 9 16 6.563 7 37-3/16 (7.188) 182.56 7 3 8 7.375 6 9 16 6.563 7 37-3/16 (7.188) 182.56 7 1 2 7.500 6 9 16 6.563 7 3
7-29/64 (7.453) 189.31 7 1 2 7.500 7 5 32 7.156 7 297-37/64 (7.578) 192.48 7 5 8 7.625 7 5 32 7.156 7 377-45/64 (7.703) 195.66 7 3 4 7.750 7 5 32 7.156 7 457-53/64 (7.828) 198.83 7 7 8 7.875 7 5 32 7.156 7 537-61/64 (7.953) 202.01 8 0 1 8.000 7 5 32 7.156 7 618-5/64 (8.078) 205.18 8 1 8 8.125 7 5 32 7.156 8 58-1/8 (8.125) 206.38 8 1 4 8.250 7 5 32 7.156 8 1
8-37/64 (8.578) 217.88 8 5 8 8.625 8 31 64 8.484 8 378-45/64 (8.703) 221.06 8 3 4 8.750 8 31 64 8.484 8 458-53/64 (8.828) 224.23 8 7 8 8.875 8 31 64 8.484 8 538-61/64 (8.953) 227.41 9 0 1 9.000 8 31 64 8.484 8 619-5/64 (9.078) 230.58 9 1 8 9.125 8 31 64 8.484 9 5
9-13/64 (9.203) 233.76 9 1 4 9.250 8 31 64 8.484 9 139-21/64 (9.328) 236.93 9 3 8 9.375 8 31 64 8.484 9 219-29/64 (9.453) 240.11 9 1 2 9.500 8 31 64 8.484 9 29
9-29/64 (9.453) 240.11 9 1 2 9.500 8 15 16 8.938 9 29
9-37/64 (9.578) 243.28 9 5 8 9.625 9 35 64 9.547 9 379-45/64 (9.703) 246.46 9 3 4 9.750 9 43 64 9.672 9 459-53/64 (9.828) 249.63 9 7 8 9.875 9 45 64 9.703 9 539-61/64 (9.953) 252.81 10 0 1 10.000 9 45 64 9.703 9 61
10-5/64 (10.078) 255.98 10 1 8 10.125 9 45 64 9.703 10 510-13/64 (10.203) 259.16 10 1 4 10.250 9 45 64 9.703 10 1310-21/64 (10.328) 262.33 10 3 8 10.375 9 45 64 9.703 10 2110-29/64 (10.453) 265.51 10 1 2 10.500 9 45 64 9.703 10 29
10-37/64 (10.578) 268.68 10 5 8 10.625 10 3 32 10.094 10 37
4-53/64 (4.828) 122.63 4 7 8 4.875 4 5 8 4.625 4 534-61/64 (4.953) 125.81 5 0 1 5.000 4 5 8 4.625 4 615-1/16 (5.063) 128.59 5 1 8 5.125 4 5 8 4.625 5 15-1/16 (5.063) 128.59 5 1 4 5.250 4 5 8 4.625 5 1
5-45/64 (5.703) 144.86 5 3 4 5.750 5 37 64 5.578 5 45
5-53/64 (5.828) 148.03 5 7 8 5.875 5 37 64 5.578 5 535-61/64 (5.953) 151.21 6 0 1 6.000 5 37 64 5.578 5 615-63/64 (5.984) 152.00 6 1 8 6.125 5 37 64 5.578 5 635-63/64 (5.984) 152.00 6 1 4 6.250 5 37 64 5.578 5 63
6-53/64 (6.828) 173.43 6 7 8 6.875 6 51 64 6.797 6 536-61/64 (6.953) 176.61 7 0 1 7.000 6 59 64 6.922 6 617-5/64 (7.078) 179.78 7 1 8 7.125 7 1 64 7.016 7 5
7-13/64 (7.203) 182.96 7 1 4 7.250 7 1 64 7.016 7 137-21/64 (7.328) 186.13 7 3 8 7.375 7 1 16 7.063 7 217-7/16 (7.438) 188.91 7 1 2 7.500 7 1 16 7.063 7 77-7/16 (7.438) 188.91 7 5 8 7.625 7 1 16 7.063 7 77-7/16 (7.438) 188.91 7 3 4 7.750 7 1 16 7.063 7 77-7/16 (7.438) 188.91 7 7 8 7.875 7 1 16 7.063 7 7
7-31/64 (7.484) 190.10 8 0 1 8.000 7 1 16 7.063 7 31
7-61/64 (7.953) 202.01 8 0 1 8.000 7 59 64 7.922 7 618-5/64 (8.078) 205.18 8 1 8 8.125 8 3 64 8.047 8 5
8-13/64 (8.203) 208.36 8 1 4 8.250 8 11 64 8.172 8 138-21/64 (8.328) 211.53 8 3 8 8.375 8 3 16 8.188 8 218-29/64 (8.453) 214.71 8 1 2 8.500 8 3 16 8.188 8 298-37/64 (8.578) 217.88 8 5 8 8.625 8 3 16 8.188 8 378-21/32 (8.656) 219.87 8 3 4 8.750 8 3 16 8.188 8 218-21/32 (8.656) 219.87 8 7 8 8.875 8 3 16 8.188 8 218-21/32 (8.656) 219.87 9 0 1 9.000 8 3 16 8.188 8 218-21/32 (8.656) 219.87 9 1 8 9.125 8 3 16 8.188 8 218-21/32 (8.656) 219.87 9 1 4 9.250 8 3 16 8.188 8 21
max
32 3.34464 3.45332 3.46932 3.46932 3.65664 4.07864 4.20364 4.328
#DIV/0!#DIV/0!#DIV/0!
64 4.70364 4.82864 4.95364 5.07864 5.07864 5.20364 5.32864 5.42264 5.42264 5.422
#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!
64 5.95364 6.07864 6.20364 6.29764 6.29764 6.29764 6.29764 6.29764 6.203
64 6.35964 6.45364 6.57864 6.70364 6.79764 6.79764 6.79764 6.79764 7.20364 7.32864 7.45364 7.57864 7.70364 7.82832 7.90664 7.95364 8.07864 8.20364 8.32864 8.45364 8.57864 8.70364 8.82832 8.84464 9.20364 9.32864 9.45364 9.57864 9.70364 9.82864 9.95364 10.45364 10.57864 10.70364 10.82864 10.95364 11.078
64 3.07864 3.20364 3.29764 3.297
64 3.797
64 4.32864 4.453
64 5.453
64 5.57864 5.70364 5.82864 5.453
64 6.57864 6.70364 6.82864 6.95364 7.07816 7.18816 7.18816 7.188
64 7.45364 7.57864 7.70364 7.82864 7.95364 8.078
8 8.125
64 8.57864 8.70364 8.82864 8.95364 9.07864 9.20364 9.32864 9.453
64 9.453
64 9.57864 9.70364 9.82864 9.95364 10.07864 10.20364 10.32864 10.453
64 10.578
64 4.82864 4.95316 5.06316 5.063
64 5.703
64 5.82864 5.95364 5.98464 5.984
64 6.82864 6.95364 7.07864 7.20364 7.32816 7.43816 7.43816 7.43816 7.43864 7.484
64 7.95364 8.07864 8.20364 8.32864 8.45364 8.57832 8.65632 8.65632 8.65632 8.65632 8.656