Company details for:

West Special Fasteners Ltd

(0)

Callywhite Lane,
Dronfield,
Derbyshire,
S18 2XR,
United Kingdom

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Products

Hexagon Bolts

Hexagon Bolts

Hexagon Bolts are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Hex Bolts to many standards, including:
- DIN 931
- BS 3692
- ISO 4014
- ISO 8765
- ASME / ANSI
- BS 1083
- BS 1768
- BS 1769
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Hexagon Nuts

Hexagon Nuts

Hexagon Nuts are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Hex Nuts to many standards, including:
- DIN 934
- BS 3692
- BS 1083
- BS 1768
- BS 1769
- ISO 4032
- ISO 4033
- ISO 4035
- ISO 4036
- ISO 8673
- ASME / ANSI
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Nyloc Nuts

Nyloc Nuts

Nyloc Nuts are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Nyloc Nuts to many standards, including:
- DIN standards
- BS standards
- ASME / ANSI standards
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Hexagon Setscrews

Hexagon Setscrews

Please note, image is a partly threaded hexagon bolt. A hexagon setscrew will be fully threaded

Hexagon Setscrews are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Hex Sets to many standards, including:
- DIN 933
- BS 3692
- ISO 4017
- ASME / ANSI
- BS 1083
- BS 1768
- BS 1769
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Socket Capscrews

Socket Capscrews

Socket Capscrews are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Socket Caps to many standards, including:
- DIN 912
- ISO 4762
- BS 2470
- BS 4168
- ASME B18.3
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Studbolts

Studbolts

Studbolts are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Studbolts to many standards, including:
- DIN
- BS
- ISO
- ASME / ANSI
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Engineer Studs

Engineer Studs

Engineer Studs are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Studs to almost any standard, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Socket Countersunk Screws

Socket Countersunk Screws

Socket Countersunk Screws are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Socket Countersunks to many standards, including:
- DIN 7991
- ASME / ANSI
- British Standards (BS)
- We can also manufacture to many other standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Assemblies

Assemblies

West Special Fasteners regularly manufactures assembly components for various offshore applications.

These are assembled on site, ready for use when received by an end user.

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Flange Bolts & Screws

Flange Bolts & Screws

Flange Bolts or Screws are available from M3 to M64 Metric and 3/16" to 2.1/2" Imperial

West Special Fasteners manufacture Hex Bolts to many standards, as well as follow customer drawings & specifications

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Special Fasteners Manufactured to Customer Drawings

Special Fasteners Manufactured to Customer Drawings

West Special Fasteners can produce fasteners to just about any drawing or sample you send through

Our team of highly skilled production staff have the knowledge and understanding to turn just about any complex fastener drawing in to a high quality product

Please send your drawings through and we can guide you through the quickest, most cost effective routes
Inconel & Incoloy Fasteners

Inconel & Incoloy Fasteners

West Special Fasteners have unrivalled knowledge in the machining, hot forging, heat treatment and testing of Inconel and Incoloy grades. Please see below for Inconel and Incoloy grades we can offer.

Inconel Grades:
- Alloy 600
- Alloy 625
- Alloy 686
- Alloy 718
- Alloy 725

Incoloy Grades:
- Alloy 800
- Alloy 825
- Alloy 925
Coated Fasteners

Coated Fasteners

West Special Fasteners can provide an extensive range of coatings

Pictured is a Xylan 1070 Leaf Grean coated Hexagon Bolt and Nut in Super Duplex UNS S32760

Other similar coating can be offered on request
Super Duplex Fasteners

Super Duplex Fasteners

West Special Fasteners are experts in the manufacture of Super Duplex Fasteners, particularly in the hot forging of Super Duplex Fasteners

With extensive knowledge and experience in everything from sourcing quality raw material from the best mills, to heat treatment and testing required, we see ourselves as a world leader in terms of knowledge and understanding of Super Duplex. ExxonMobil approval for the hot forging of Super Duplex fasteners only reinforces this.

We have a comprehensive range of Super Duplex raw material in stock, ready to produce quality fasteners, on quick lead times.

So please send us your Super Duplex enquiries and we'll always do our very best to help you

Super Duplex Grades:
- UNS S32760
- UNS S32750
- UNS S32550
- UNS S32760 FLT, FG, S

Also, please take the time to read our published article 'Duplex and Super Duplex. Ensuring Your Fastener is Correct', in the 'Articles/Press Releases' section below.
Hastelloy Fasteners

Hastelloy Fasteners

Hastelloy offers excellent resistance to pitting, crevice and stress corrosion cracking and good resistance to wet chlorine.

West Special Fasteners are manufacturers of Hastelloy Fasteners.
Hastelloy Fasteners such as Bolts, Nuts, Socket Capscrews, Washers, Studs, Studbolts, Socket Setscrews, Socket Countersunk screws & machined components to drawings can all be produced at West Special Fasteners.

Hastelloy is used in a variety of applications including paper industry, power generations, chemical plants, chemical mixers, heat exchangers, evaporators, and many applications involving acids.

West Special Fasteners has supplied major companies with Hastelloy bolts, nuts etc.

Hastelloy Grades offered:
Alloy C276
Alloy C22
Alloy X
Alloy B2
Alloy B3
Titanium Fasteners

Titanium Fasteners

Titanium offers both excellent corrosion resistance and high impact toughness.

West Special Fasteners are experienced manufacturers of Titanium Fasteners.

Titanium fasteners are used in a variety of applications where a high strength, low weight ratio is important. This would include various applications such as biomedical implants, chemical industries, power generation and oil & gas extraction.

West Special Fasteners specialises in exotic metals and have supplied major UK companies with Titanium bolts, nuts etc.
Fastener Stamping / Marking

Fastener Stamping / Marking

West Special Fasteners can stamp or mark almost any fastener from M8 / 3/8" upwards with our dot matrix stamping machines on site

Fasteners can be stamped as per standards / specifications, with cast number, job number or with anything requested by the customer
Nuts

Nuts

West Special Fasteners manufacture Nuts to an extensive range of standards and specifications, in a wide range of stainless steels and exotic materials

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Bolts

Bolts

West Special Fasteners manufacture Bolts to an extensive range of standards and specifications, in a wide range of stainless steels and exotic materials

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347
Socketed Products

Socketed Products

West Special Fasteners can manufacture hexagon socketed fasteners such as Socket Capscrews, Socket Countersunk Screws, Socket Setscrews, Socket Button Head Screws, etc.

Materials include:
- Super Duplex UNS S32760, S32750
- Duplex UNS S31803
- Titanium
- Hastelloy
- Monel
- Inconel Alloy 600, 625, 686, 718, 725
- Incoloy Alloy 800, 825, 925
- Nitronic 50 / 60
- Nimonic
- A4-80 / A4-70
- B8 / B8M Class 1 & 2
- B8C, B8T
- Stainless Steels 304, A2, 316, A4, 310, 321, 347

About us

West Special Fasteners Limited has grown into one of the most respected hot forgers and producers of high-integrity fasteners in the UK.

Our facilities include Hot forging presses, CNC Lathes, VMC’s, Capstan Lathes, Sliding Head CNC and Bandsaws. Our team of highly-experienced machinists and operators ensure fasteners are produced to the highest levels every day of the week.

Fasteners can be manufactured to customer drawings, relevant British (BS), American (ASME and ANSI), European (DIN and UNI) or international (ISO) standards.

Our hot forged fasteners range from 1/4" to 2” imperial and M5 to M52 metric. CNC and manual machined fasteners range from 3/16” to 4” imperial and M3 to M100 metric. However, please ask about sizes outside these ranges and we may still be able to help.

Testing is carried out daily on our fasteners, for the most demanding of customers, to the most stringent of end user specifications. We pride ourselves on heat treating and testing our fasteners correctly when required, as this is imperative when used in critical applications. With the knowledge and experience of our staff, we ensure nothing is missed within a material/fastener standard or specification.

We can offer special fasteners in a wide range of exotic alloys and stainless steels, including:
  • Super Duplex UNS S32760, UNS S32750, UNS S32550, UNS S32760 FLT, UNS S32760 SA
  • Hastelloy® Alloy C276, Alloy C22, Alloy B2, Alloy B3, Alloy X
  • Inconel® Alloy 600, Alloy 625, Alloy 686, Alloy 718, Alloy 725
  • Incoloy® Alloy 800, Alloy 825, Alloy 925
  • Titanium Grade 2 & 5
  • Monel® Alloy 400, Alloy K500
  • Carpenter® 20Cb-3, Alloy 20
  • 254 SMO
  • Duplex UNS S31803
  • Stainless Steels A4, A2, A4-80, A2-80
  • ASTM A193 B8M, B8, B8C, B8T, Class 1 & 2
  • Aluminium Bronze NES 833, CA103, CA104, C63000
  • Aluminium Silicon Bronze NES 834
  • Silicon Bronze UNS C65500
  • Hiduron® 191, NES 835
  • Nimonic® Alloy 80A
  • Nitronic® 50, 60
  • 660 A, B, C, D
Our customers range from small prototype projects for Subsea to large scale construction fasteners; from Pumps, Valves, Actuators; to Chemical Plants and Power Stations; from Yachts to Frigates; from Harbour walls to Stadiums. The range of application for our fasteners is astonishing.

West Special Fasteners were awarded approval by ExxonMobil in 2015. The approval followed over a year of product testing, inspection, witnessing, documentation and system reviews. The approval is for the Hot Forging of Super Duplex bolting and ExxonMobil have only approved a few companies in the world to carry out this work.
West Special Fasteners Ltd Website

Articles / Press Releases

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