Hex Nut Manufacturing
We are a leading hex nut manufacturer, providing high-quality custom and industry-standard hex nuts for critical industries.
With expertise in manufacturing to DIN, ISO, BS, ASME, and ANSI specifications, we also offer bespoke hex nuts in a wide range of materials, including exotic metals, for applications in offshore, defence, renewables, and more.
Hex Nut Manufacturer in Sheffield
West Special Fasteners is a leading hex nut manufacturer based in Sheffield, UK, serving industries that demand precision, durability, and reliability. With decades of experience in fastener manufacturing, we produce custom and industry-standard hex nuts for applications across offshore, defence, renewables, construction, and heavy engineering.
Our Sheffield-based facility is equipped with advanced manufacturing technology, including hot forging, CNC machining, and thread rolling, allowing us to produce bespoke hex nuts in a variety of materials, including stainless steel, exotic alloys, and high-strength carbon steels.
With a strong reputation for quality and on-time delivery, we provide fastener solutions that meet UK, European, and international standards, ensuring compliance with ISO 9001 certification and full traceability throughout the production process. Whether you require hex nuts for structural, high-temperature, or corrosion-resistant applications, we manufacture solutions tailored to your specifications.

ISO 9001-certified processes
Our rigorous quality management system ensures that everything we produce meets the highest standards of quality and consistency.

UK and EU-sourced materials
We source our materials locally to guarantee safety, compliance, reliability, and sustainability.

Exotic alloy expertise
We specialise in materials designed to withstand the most challenging environments, such as seawater corrosion, chemical applications and extreme pressures.

Full traceability
Our manufacturing processes include comprehensive documentation, ensuring every component is traceable from raw material to finished product.
Our hex nut range
We offer a comprehensive range of industry-standard and custom hex nuts, manufactured to the highest international standards. Our hex nuts are available in a variety of materials, finishes, and thread types, ensuring suitability for diverse applications in offshore, defence, construction, and heavy industry.
Industry-standard hex nuts
Available in various materials and dimensions, compliant with international standards.
General-Purpose Hex Nuts
- DIN 934 & ISO 4032 – Full hex nuts widely used in general engineering and mechanical applications.
- DIN 439 & ISO 4035 – Low-profile hex nuts designed for applications requiring reduced height and weight savings.
Locking & High-Strength Hex Nuts
- DIN 985 & DIN 980 – Self-locking hex nuts with nylon or metal inserts for superior resistance to vibration and loosening.
- ISO 4033 – Heavy hex nuts engineered for high-strength applications in construction, industrial machinery, and critical infrastructure.
British Standard Hex Nuts
- BS 1768 & BS 1083 (BSW and BSF Thread Forms) – Compliant with British engineering standards, suitable for structural and industrial applications.
American Standard Hex Nuts
- ANSI B18.2.2 & ASME B18.2.2 – Precision-manufactured hex nuts designed to meet American industrial standards, ensuring compatibility with ASME/ANSI bolt specifications.
Custom hex nuts
We manufacture bespoke hex nuts to meet specific project requirements, including:
Tailored dimensions – Custom sizes for unique applications.
Special thread profiles – Metric, UNC, UNF, BSW, BSF, and other specialised thread forms.
Exotic and high-performance materials – Stainless steel, titanium, Inconel, Duplex, and Super Duplex for enhanced strength and corrosion resistance.
Coatings & finishes – Zinc plating, PTFE, phosphate coatings, and other protective finishes to enhance performance.
Our custom hex nuts have been used in critical applications worldwide, delivering superior performance in marine, chemical, oil & gas, aerospace, and defence industries.






Applications of our hex nuts
Our hex nuts are trusted by industries where performance, durability, and material quality are crucial.
Offshore and marine industries
Manufactured with corrosion-resistant materials, our hex nuts withstand saltwater exposure and extreme conditions, making them ideal for marine and offshore structures.

Construction and infrastructure projects
Our hex nuts are essential for bridges, tunnels, and large-scale construction projects, offering superior load-bearing capabilities.

Chemical plants and power generation
We supply exotic metal hex nuts designed to resist heat, pressure, and corrosive chemicals, ensuring safety and longevity in nuclear, chemical, and renewable energy sectors.

Renewable energy
Our hex nuts are used in wind turbines and solar installations, designed to withstand environmental stresses.

Defence
Used in non-weapon military applications, including land vehicles, naval vessels, and aircraft components, our hex nuts meet the highest standards for strength and reliability.

Mining & heavy equipment
Hex nuts play a critical role in securing mining machinery and heavy-duty equipment, withstanding extreme vibrations and environmental conditions.

Hex nut manufacturing capabilities
At West Special Fasteners, we have the expertise and manufacturing capabilities to produce hex nuts for even the most demanding applications.
Hot Forging
As one of the few UK manufacturers with hot forging capabilities, we produce hex nuts with exceptional strength and durability.
Precision Machining
Our advanced facility includes:
- Conventional, automatic, and CNC lathes – Precision machining for standard and custom hex nuts.
- Hydraulic presses – High-pressure forming for complex and bespoke specifications.
- Drilling and milling machines – Enabling intricate designs and modifications.
- VMC with 4th axis – Advanced multi-axis machining for complex geometries and custom orders.
Quality Control and Documentation
We ensure ISO 9001-certified production, with:
- Rigorous quality control checks at every stage.
- Full traceability, providing documentation for every batch.
99% On-Time Delivery
We maintain a 99% on-time delivery rate, ensuring your orders arrive exactly when you need them. With an approximate 4-week lead time for full-service orders, we keep your projects running smoothly.
- Minimise delays – Ensure seamless project timelines.
- Support critical operations – Reliable supply for offshore, defence, and industrial applications.
- Enhance efficiency – Reduce downtime and keep production moving.
- Ensure compliance – Trusted quality and reliability backed by full traceability.
While many competitors struggle with delays, West Special Fasteners ensures your hex nuts are manufactured and delivered on time – every time.

Corrosion resistance
Enhanced durability
Ensuring Durability in Harsh Environments
West Special Fasteners supplied high-performance Super Austenitic Stainless Steel fasteners, essential for the durability and corrosion resistance of the roofs in Center Parcs’ subtropical swimming pools across the UK.
CONTACT US
Speak to an expert
Whether you have a question, want to explore collaboration possibilities, or require expert advice, we are here to assist you.
Phone
Location
Callywhite Ln, Dronfield, S18 2XR
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