Dokka Fasteners Knud Erik Rødbro

Fremdrift via partnerskaber

2 Wind Market

3 Olie og gas

ISO/DIN 4014/931, 4017/933 Hex Head bolts

M12 – M72

Property classes 8.8, 10.9, 12.9

EN-14399/DIN 6914/DASt 021 HV Construction bolt assemblies

M12 – M72 (M72 as similar to DASt 021)

Property classes 10.9

DIN 2510 Double-End studbolts

M20 – M100

Property classes 8.8, 10.9, 12.9

DIN 938 & 939 studbolts

M16 – M100

Property classes 8.8, 10.9, 12.9

DIN 975 & 976 Fully Threaded rods

M20 – M100

Property classes 8.8, 10.9, 12.9

In addition to norm regulated items Dokka

Fasteners also manufacture engineered products

acc. to drawing and specification.

All items offered with EN10204 3.1 certification and

full traceability in 30 years

3rd party inspection upon request.

Surface coatings available: Plain, HDG(in-house),

Zinc Flake, Sheradizing, Phosphate, Zinc Plate,

PTFE etc.

Foundation bolts

M20 – M100

Property classes 8.8, 10.9

EN-15048 SB Construction bolt assemblies

M12 – M36

Property classes 8.8

Product Range

5

M12 Riser M36

6 The hot forming group

CARDINAL FASTENER USA DOKKA FASTENERS USA

• Site: Dokka, Norway – founded 1875

• Employees: 140

• Capacity : 20.000 tons of steel per year

• Annual Sales: 360 MNOK

• Production facilities: 16.000 m2.

• Sales office in Kolding, DK

• Distribution center in Brande, DK

• State-of-the-art robotic production equipment

• Hot forging

• Cold forming

• Machining

• In-house heat treatment

• In-house Hot Dip Galvanizing

• In-House fully accredited material laboratory

DOKKA FASTENERS NO/DK

• Site: Michigan, USA – founded 2010

• Employees: 46

• Capacity : 12.000 tons of steel per year

• Annual Sales: 52 MNOK

• Production facilities: 10,000 m2.

• State-of-the-art robotic production equipment

• Hot forging

• Machining

• In-House fully accredited material laboratory

• Site: Cleveland, USA – founded 1984

• Employees: 35

• Capacity : 8.000 tons of steel per year

• Annual Sales: 40 MNOK

• Production facilities: 10.000 m2.

• Hot forging

• Machining

• Fast Track producer

• In-House fully accredited material laboratory

7 Dokka Fasteners - Europe • Site: Dokka, Norway

• Administration and Production

• Employees: 110

• Facilities: 16.000 m2

• Site: Brande, Denmark

• Distribution center

• Employees: 12

• Facilities: 3.000 m2

• 2500 different part on stock

• Site: Kolding, Denmark

• Sales office

• Employees: 18

• Facilities: 300 m2

8 Dokka Fasteners – Historic view

1875 Kampen Skrue- og mutterfabrikk established.

1886 Den Norske Naglefabrikk

1905 Christiania Spikerverk starts production of screws and nails.

1928 The three companies merged and Fonas fabrikker A/S in

Nydalen,Oslo was founded

1970 Relocate production to Dokka

1972 Fonas become part of Elkem

1982 Bulten Fonas established as part of Bulten Kanthal

1987 Dokka Industrier (DF) become an independent company

1992 Arvid Nilsson A/S main share holder

1995 Dokka Fasteners A/S becomes 100% owned

company of Arvid Nilsson A/S

2008 Acquired by Würth Industries GmbH

9

10 Dokka Fasteners – Investments – Cost down.

• 2009 – 4 mio € Dokka Norway New Hot forging line M30-M64 New Belt Quenching and hardening Furnace Material inspection equipment at Test lab

• 2010-2012 – 25 mio € Dokka Norway 2 complete Hot Forging Lines M30-M64 2 new stud line New Batch Quenching and Tempering Line Automated HDG line 14 Robots Machining centres

• 2010-2012 – 23 mio € Dokka USA New complete factory for hot forged bolts and studs M16-M64 Hardening Furnace

•2013 – 2 mio € New automation equipment Quality equipment

•2015-2017 Factory in China ? Factory in Brazil ?

0

2000

4000

6000

8000

10000

12000

14000

2009 2010 2011 2012 2013 2014

Ton produced in Dokka Norway

11 Installation of new automatic HDG line

2500 kg/hour 8 Robots and vision quality verification.

12

The new Ipsen, quenching and tempering line

2.000 kg/hour, 5 hardening furnace, 11 tempering and 64 stations

13 Automatic stud bolt line

From raw material to finished stud bolt, M30-M48 L=300-900mm

14 Fremdrift gennem partnerskab med kunder

Hvordan starter man et partnerskab med en ny kunde ?

Major factores when selecting suppliers. ”Wind Energy update”

16

16

Cost of Quality: Rule of 10‘s

Failures to be avoided at suppliers in order to minimize total Cost of Quality.

@ Supplier

€ / 1.000

@ Production

€ / 10.000 € / 100.000 € / 1.000.000

On-shore WTG Off-shore WTG

10x 10x 10x

17 Quality Inspection Lab

• Hardness testing – Brinell

• Tensile testing (full size, machined (Rp0.2, Rm, A, Z), wedge loading, proof loading) – two universal

testing machines (600kN; 2000kN)

• Impact testing Charpy V (300J)

• Surface hardness – Carburization/decarburization test – HV0,3

• Torque – force testing (friction testing) - 30000Nm; 3000kN

• Microstructure investigations – optical microscope; stereo microscope

• Chemical composition analysis – optical emission spectrometer

• Zn-coating thickness – measured by elcometer

• Dimensional inspection – calipers, micrometers, gauges

18 Quality = control in every step

Hot forging

& robot handling

Machining

&

Threading

Quenching

&

Tempering

Cleaning &

Surface

treatment

Raw material &

supplier control

Packaging

&

Distribution

Final quality

verification

19 QUALITY MANAGEMENT

Distribution center Brande

• 5000 difference part.

• 40 racks in 12 location

in Denmark

21

VMI – Vendor Management Inventory

Cost reduction

Purchasing and logistics

Elimination of duplicate actions

Fewer suppliers

20 – 60 % lower handling costs

No production stops

Customer specific solutions

Focus on core business

22 Dokka Fasteners Inc.

FAST TRACK

• With the Fast Track system, Dokka

Fasteners can respond quickly to your

large diameter bolt requirements,

regardless of the length. With one call

to Dokka Fasteners, we can help get

you back “on track” with your

production needs

• The Dokka Fasteners Fast Track

system provides you with a secure

transaction: high quality product

delivered on time. Dokka guarantees

availability of large diameter bolts in

multiple lengths… when you need

them, in the quantity you need. Our

Fast Track system is engineered for

short lead time/small lot size

production runs, featuring a fully

stocked inventory of heat-treated blank

bolts in the most popular sizes

Hex Bolt 8.8

ISO4014/4017

M12 to M48 HDG or Plain

Hex Bolt 10.9

ISO4014/4017

M12 to M48 HDG or Plain

Socket Head Capscrew 8.8

ISO4762

M16 to M36 HDG or Plain

Socket Head Capscrew 10.9

ISO4762

M16 to M36 HDG or Plain

Blanks in stock

All product delivered in less than 14 days

Full traceability

In-house HDG, mechanical cleaning – no hydrogen

embrittlement

All raw material exclusively provided by European and U.S

mills

Fast Track

24

• Production Kitting

• Work station kits incl. c-items

• Site assembly kitting

• EVERYTHING needed on construction site

• Blade kitting

• O-rings, Nuts & Bushings/Cross Bolts/T-Nuts

Kitting for assembly & site

25 Fremdrift via partnerskaber!

Dokka-Würth

Service

Kunde

420.000 c-parts

VMI/Kanban

EDI løsninger

Global.

Quality of service.

Omkostning reduktion

Design forbedring

- a global network partner

Dokka Fasteners Strong connections

Together we can make a difference