⚙️ Specialty & Custom Manufacturing

Specialty & Custom Fasteners

Automotive, rail transit, valve sets and custom alloy fasteners manufactured to your drawing

Precision Manufacturing

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IATF 16949 Certified

Automotive Engine & Chassis Bolts

Connecting rod bolts, cylinder head bolts, wheel hub bolts and chassis structural fasteners manufactured to OEM drawing. Hot/cold heading, heat treatment and surface treatment all in-house.

  • ·Grade 8.8 / 10.9 / 12.9
  • ·M6 – M36 diameter range
  • ·±0.01 mm CNC tolerances
  • ·Tensile & fatigue testing on-site
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TB/T Railway Standards

Rail Transit Structural Fasteners

High-strength structural fasteners for high-speed rail (CRH/CRRC), urban metro systems and bridge structures. Manufactured to TB/T and EN 14399 standards with full dimensional and mechanical traceability.

  • ·High-strength F10T / S10T grades
  • ·Tension-control bolt assemblies
  • ·Hot-dip galvanised or fluoropolymer coated
  • ·Full dimensional inspection records
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ASME B16.5 / EN 1092

Valve Flange Stud Sets

Complete bolt + nut sets for gate, globe, ball and check valves. Supplied as pre-assembled matched sets to ASME B16.5 pressure classes 150–2500#, with traceability to each heat of material.

  • ·ASME 150# – 2500# flange classes
  • ·Matched B7/2H or B8M/8M sets
  • ·PED-compliant sets available
  • ·Colour-coded grade identification
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To Customer Drawing

Custom Non-Standard Parts

Manufactured to your CAD/PDF for any geometry, any special alloy. Duplex, Super-Duplex, Incoloy 825, Hastelloy C276, Inconel 625, Titanium Grade 2/5. EN 10204 3.2 certification available.

  • ·Special alloys & exotic materials
  • ·EN 10204 3.1 / 3.2 certs
  • ·NACE MR0175 compliance
  • ·Heat-batch traceability

Need a custom part?

Send us your drawing or specification. We manufacture to any geometry, any alloy, with full EN 10204 3.1/3.2 documentation.

Request Technical Quote