Category Archives: exotic materials

custom Made bolts, exotic materials, Industries, ISO9001 Special Fasteners, ISO9001:2015, ISO9001:2015 Fasteners, Materials, Production Engineering Solutions

Reliable Solutions For Unrivalled Precision In Manufacturing Performance

Bespoke Fasteners: Precision, Performance & Trust

At Hague Fasteners, we believe the strength of every project lies in the details. For over five decades, we have specialised in bespoke fasteners that meet demanding requirements across critical industries worldwide. Our reputation is built on three pillars: the materials we work with, the industries we support, and the uncompromising quality standards we uphold.

Materials That Define Reliability

The choice of material is fundamental to bespoke fasteners performance. Therefore, Hague Fasteners machines a wide range of alloys and steels, each selected for its unique properties and suitability for extreme environments. Our expertise spans carbon steels, stainless steels, Duplex and Super Duplex grades, Hastelloys, Nimonics, and Inconels. Moreover, these materials represent decades of metallurgical innovation and proven resilience.

For example, superalloys such as Inconel and Nimonic are frequently used in safety-critical fasteners supplied to the nuclear and oil and gas sectors. These environments demand components that withstand high temperatures, corrosive conditions, and immense pressures. As a result, Hague Fasteners ensures every fastener performs reliably where failure is not an option.

Industries That Depend on Us

Our fasteners are not generic products; they are bespoke solutions crafted to drawing, tailored to the unique requirements of each industry. Hague Fasteners supports a wide spectrum of sectors, including nuclear, defence, aerospace, oil and gas, renewable energy, subsea, and specialist machinery.

  • Aerospace: Weight and precision are critical.
  • Subsea engineering: Corrosion resistance is paramount.
  • Defence: Reliability under extreme conditions is non-negotiable.

Therefore, by supplying fasteners with full material certification and dimensional inspection, we provide assurance that every component is fit for purpose. Our ability to adapt to diverse requirements makes Hague Fasteners a trusted partner across such a broad industrial landscape.

Quality Without Compromise

Quality is not a department at Hague Fasteners—it is a culture. Our ISO 9001:2015 accredited quality management system underpins every stage of production, ensuring traceability and documented inspection from raw material to finished component.


Every fastener we manufacture can be supplied with Certificates of Conformity, EN 10204 3.1 material certificates, and dimensional inspection reports. Moreover, this documentation provides customers with complete confidence in component integrity. It also reflects our commitment to transparency and accountability, values essential in industries where safety and compliance are paramount.

A Partner for the Future

As industries evolve and new challenges emerge, Hague Fasteners remains committed to innovation, precision, and service. Whether it’s a one-off bespoke component or a complex project requiring specialist alloys, we deliver fasteners that meet the highest standards of performance and reliability.

By combining advanced materials, cross-sector expertise, and rigorous quality assurance, Hague Fasteners continues to be the partner of choice for organisations that cannot afford to compromise.

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Discover how Hague Fasteners can support your next project with bespoke fastener solutions. Contact us today to discuss your requirements.

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exotic materials, Hastelloy, Hastelloy C276, Hastelloy C276 Fasteners, Incoloy, Inconel, Materials, Monel, Nimonic 80A, Special Fastener, Special Fasteners, Subsea

Nickel Alloy Special Fasteners

Nickel Based Alloy Fasteners are used in a wide range of Global Industries.

Hague Fasteners have been a major manufacturer of the more specialist bolting components used for Subsea Engineering & Oil & Gas sectors, particularly the production and supply of small batch quantities of special fasteners to Customers Drawings.

Nickel Alloy Fasteners

The wide range of superalloys Hague Fasteners manufacture include:-

Alloy 600 – Inconel 600 – BS 3076 NA14 – Wekstoff 2.4816 – ASTM B166 – UNS N06600
Alloy 601 – Inconel 601 – Werkstoff 2.4627 – ASTM B166 – UNS N06601
Alloy 625 – Inconel 625 – BS 3076 NA21 – Werkstoff 2.4856 -ASTM B446 – UNS N06625
Alloy 718 – Inconel 718 –  Werkstoff 1.4668 – ASTM B637 – UNS N07718
Alloy 750 – Inconel 750 –  Werkstoff 2.4669 – ASTM B637 – UNS N07750
Alloy 400 – Monel 400 – BS 3076 NA13 – Werkstoff 2.4360 – ASTM F467  – UNS N04400
Alloy K500 – Monel K500 – BS 3076 NA18 – Werkstoff 2.4375 – ASTM B865-04  – UNS N05500
Alloy C276 – Hastelloy C276 – Werkstoff 2.4819  – ASTM B574  – UNS N10276
Alloy 22 – Hastelloy C22 – Werkstoff 2.4602  – ASTM B574  – UNS N06022
Alloy B2 – Hastelloy B2 – ASTM B335  – UNS N10665
Alloy X – Hastelloy X – Werkstoff 2.4655 – ASTM B572  – UNS N06002
Alloy B3 – Hastelloy B3 – ASTM 2.4600 – ASTM B335 – UNS N10675
Alloy G30 – Hastelloy G30 – Werkstoff 2.4603 – ASTM B581  – UNSN06030
Alloy 50 – Nitronic 50 – ASTM A479 XM19 – UNS S20910
Alloy 60 – Nitronic 60 – ASTM A193 B8S – UNS S21800
Alloy 75 Nimonic 75 – Werkstoff 2.4951 – ASTM B637 – UNS N06075
Alloy 80A – Nimonic 80A – BS 4882 NA20 – Werkstoff 2.4952 – ASTM B637  – UNS N07080
Alloy 90 – Nimonic 90 – ASTM B408  – UNS N07090
Alloy 800 – Incoloy 800 – BS 3076 NA15 – Werkstoff 1.4876 – ASTM B408  – UNS N08800
Alloy 800H – Incoloy 800H – ASTM B408
Alloy 800 HT – Incoloy 800HT – Werkstoff 1.4959 – ASTM B408 – UNS N08811
Alloy 825 – Incoloy 825 – BS 3076 NA16 – Werkstoff 2.4858 – ASTM B425 – UNS N08825
Alloy 925 – Incoloy 925 – ASTM B805  – UNS N09925
Alloy DS – Incoloy DS – BS 3076 NA17 – Werkstoff 1.4862 – UNS N08330

developing economies, eBrochure, exotic materials, Gallery, Hague Fasteners Website, Indonesia, Industries, Mexico, MINT, Nigeria, OEM, Products, Special Fasteners, Turkey

MINT – Sales Agents sought for Mexico, Indonesia and Turkey for our UK manufactured Special Fasteners

We are currently seeking Commission-based Sales Agents for our UK manufactured Special Fasteners for the following territories:  Mexico, Indonesia and Turkey.

These countries, along with Nigeria, form the so called MINT group of developing economies.

Hague Fasteners believes these MINT nations, along with other developing economies, will certainly have requirements for custom-made fasteners in the wide range of raw exotic materials that we have in stock for their developing industries.

If you are interested, and are based in one of the countries above, please do not hesitate to contact us and ask for Mike Field.


For more information about Hague Fasteners, please visit our Hague Fasteners website and view in particular our gallery and products pages.  The gallery showcases recently manufactured special fasteners and gives you an idea of the fasteners we can manufacture to OEM and customer drawings.  You may also view our Hague Fasteners sales eBrochure.

254SMO, Duplex, Engineer studs, exotic materials, Hastelloy, Hex Nuts, Incoloy, Inconel, Monel, sales brochure, studbolt, Studbolts, Super Duplex, tie bar, Titanium, waisted studbolts, Washers, wheelstuds

Hague Fasteners Product Showcase: Studbolts

Standard studbolts are now widely available off the shelf in the more obvious ASTM grades such as B7, B7M, L7, L7M, B8 or B8M, but we continue to provide a unique manufacturing service of studbolts and ancillary products such as washers in the more exotic materials.



Recent projects have seen studbolts and threaded rod, complete with heavy hex nuts, to BS4882 or ANSI B16.5 and ANSI B18.2.2 or BS1769 respectively, being manufactured by us in the Duplex grade 254SMO (Also known under the specifications UNS S31254, 1.4547, X1 CrNiMoCuN 20-18-7 and F44).

Over the years we have produced studbolts and heavy hex nuts in a wide range of these Duplex and Super Duplex grades as well as in grades of Incoloy, Inconel, Hastelloy, Monel, Titanium and many other nickel-based critical alloys.



As we are not stockists of petrochemical grade studbolts and hex nuts we will not be able to compete with importers who buy their product in bulk quantities, but we are very competitive with any item that they do not have on their shelves or in their stock, particularly in these critical alloys and with rolled or screw-cut threads.

We can produce any type of studbolt:  threaded rod (DIN975 & DIN976), tie bar, waisted studbolts (DIN2510), engineer studs (DIN938) slotted studbolts & wheelstuds or to your specific drawings or sample pieces.  Please contact us for more details or view our sales brochure.