Nominal nut size
in.Non-Zinc
coated NutsZinc coated
Nuts
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex 1/4 to 1-1/2 75 75
heavy hex 1/4 to 4 80 80
hex 1/4 to 1-1/2 75 75
heavy hex 1/4 to 4 80 80
ASTM A194 Mechanical Properties and Head Marking
8 126-300
8M 126-300
7 248-327
7M HRB159-235
2HM HRB159-235
2 HRB159-352
2H≦1-1/2: 248-327,﹥1-1/2 : 212-327
4 248-327
Grade Hardness
A194
Standard forNut
Dimensional styleof nut
Proof Load Stresskis
Head Marking