High Integrity Fasteners Suppliers UK

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The Wulfrun Difference

Trust our 35 years’ experience


We’ve been in the industry for decades and provide products for clients across a wide variety of industries.  As high quality fastener suppliers there’s no fastener or machined product we can’t fabricate.

Learn more about the industries we support, then challenge us to create the best components you’ve ever seen.


Industries we support

Wulfrun fasteners suppliers uk engineer working on machinery

Material Grades

All of our products are made to order and can be created out of any available material grade.

Wulfrun can provide components for the following stainless steel material grades: 304 / 304L, 310, 316 / 316L, 321, 347, 410, 421, 422, 431, 904L, ISO 3506-1 / 2 – A4 (50 / 70 / 80 / 100), ISO 3506-1 / 2 – A2 (50 / 70 / 80 / 100).

Wulfrun can provide components for the following carbon & alloy steel material grades: EN3A (070M20), EN8 (080M20), EN8D (080A42), EN16 (605M36), EN19 (708M40), EN24 (817M40), EN26 (826M40), ISO 898-1 Grade 8.8, ISO 898-1 Grade 10.9, ISO 898-1 Grade 12.9, ISO 898-2 Grade 8, ISO 898-2 Grade 10, ISO 898-2 Grade 12, C35E, C45E, 25CRMO4, 42CRMO4.

Wulfrun can provide components for the following petrochemical material grades: ASTM A193 B6, ASTM A193 B7, ASTM A193 B7M, ASTM A193 B8 (CLASS 1 & CLASS 2), ASTM A193 B8T (CLASS 1 & CLASS 2), ASTM A193 B8C (CLASS 1 & CLASS 2), ASTM A193 B8R, ASTM A193 B16, ASTM A320 L7, ASTM A320 L7M, ASTM A320 L43, ASTM A194 2H, ASTM A194 2HM, ASTM A194 7, ASTM A194 7M, ASTM A194 8, ASTM A194 8A, ASTM A194 8M, ASTM A194 8MA, ASTM A194 8T, ASTM A540 GRADE B21, ASTM A540 GRADE B22, ASTM A540 GRADE B23.

Wulfrun can provide components for the following power generation material grades: 1.4913 – X19CRMOVNBN11-1, 1.4923 – X22CRMOV12-1, 1.6582 – 34CRNIMO6, 1.7709 – 21CRMOV5-7, 1.7711 – B16, 1.7729 – DUREHETE 1055 – 20CRMOVTIB4-10.

Wulfrun can provide components for the following nickel alloy and duplex sheet material grades: INCONEL 600, INCONEL 625, INCONEL 718 – API 6A / AMS 5662 / AMS 5663, INCONEL 725, INCONEL X-750, ASTM A453 GRADE 660 (A/B/C/D), HASTELLOY C22, HASTELLOY C276, HASTELLOY X, S32760 ‘A’ / ‘S’ / FG / FLT / NORSOK D59 / NORSOK D60, S31803, S32750, S31254 / 254SMO, MONEL 400, MONEL K500, INCOLOY 800, INCOLOY 800HT, INCOLOY 825, INCOLOY 925, NIMONIC 80A, 17-4 PH, WASPALOY.

Wulfrun can provide components for the following non-ferrous material grades: HIDRURON 130, HIDRURON 191, COPPER NICKEL 70/30, COPPER 90/10, PB101, PB102, PB103, PB104, TITANIUM GRADE 2, TITANIUM GRADE 5, TITANIUM GRADE 7, DEF STAN 02-833, DEF STAN 02-834, C63000, C63200, CZ121 / CA104.

Wulfrun can provide components for the following aircraft material grades: JETHETE X-152.


Our High Integrity Fasteners and Products

Headed Products (Bolts and Screws)


Our wide array of M3 to M120 headed bolts and screws are designed to meet your unique specifications. Quality you can rely on.


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Wulfrun fasteners suppliers UK headed products



Industry standard or bespoke made bolts for any use – M3 to M200. No matter the industry, no matter the need, we’re here to help.


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Wulfrun fasteners suppliers UK nut products



M3-M200 studs for any use. Whether you need bespoke fully threaded or double ended studs, we can create both industry standard or bespoke studs for you.


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Wulfrun fasteners suppliers UK stud products



All kinds of washers bespoke to your needs. Anything from industry standard to special products. M3-M200+


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Wulfrun fasteners suppliers UK washer products

Bespoke and Machined Components


Our expertise allows us to manufacture miscellaneous/bespoke parts to your designs. No matter what you need, be it out of production or obscurely technical, we can make it, either from drawings, or reverse engineered from existing parts.


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Wulfrun fasteners suppliers UK bespoke and machined products

Quality Assurance


As most of our products are used in quality critical applications, it’s imperative that they are of the highest integrity – failure isn’t an option. 

Wulfrun Specialised Fasteners suppliers UK operate a formal quality system accredited by LRQA to BS.EN.ISO 9001-2015 and are API20E BLS2 approved. In addition to this, we are able to integrate customer specific standards and quality system requirements to ensure that we meet any unique quality requirements.

The Wulfrun quality system lays down mandatory procedures and controls for all elements of our supply, from full traceability on material purchase, through to order completion. Quality is further reinforced by our on-site XRF spectrometry of all incoming material and finished products.

Our fully equipped inspection facility is complemented by our coordinate measuring machine, which allows us to perform intricate inspection operations, enabling us to produce detailed dimensional reports.

Discover more about our accreditations

Our Accreditations

Additional Services

All of our products can be enhanced/changed with the following additional services:


Unique threaded forms

Our unique threaded forms include, UN, ACME, BSF and many more; whatever form your require, we can do it. 



Copper, Nickel, Phosphate, Molykote and more, we can plate your components using any substance, boosting versatility across the board.


Heat treatment

We offer various heat treatments, including case hardening, nitriding, quenching and tempering and more; we can treat any material with any method. 



All of our products go through rigorous testing, including highly bespoke chemical analysis, elevated tensile, proof load testing and many more. 


Want to learn more about our additional services? Don’t hesitate to get in touch with our specialists today.

Talk to the team

Wulfrun fasteners suppliers UK operator creating precision machined components and bespoke fasteners

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