Exotic Alloy & Super Duplex Fasteners Supplier in Singapore | UCF

Who We Are

Uni Circle Fasteners (UCF) is a Malaysia-based specialist supplier of exotic and special alloy fasteners, serving clients across Singapore and Southeast Asia.

We focus on hard-to-find, critical fasteners such as ASTM A453 Grade 660, Super Duplex S32750/S32760, Monel 400/K500, Inconel 625/718, Incoloy, Nimonic, Hastelloy, and Titanium.

With strong global supplier partnerships, fast lead times into Singapore, and strict adherence to certification standards, we are the trusted source for bolts, nuts, stud bolts, washers, and coated fasteners in industries where failure is not an option.

Super-Duplex-Bolt

Our Exotic Alloy Fasteners

We supply a wide range of materials and specifications :

  • ASTM A453 Grade 660 (Class A/B/C/D)
    High-temperature bolts and nuts for turbines, boilers, and power plants.
  • Super Duplex S32750 / S32760
    Corrosion-resistant bolts, nuts, and washers for offshore and chemical plants.
  • Monel 400 / K500 
    Fasteners with outstanding seawater resistance for shipbuilding and marine engineering.
  • Inconel 625 / 718 
    High-strength, heat-resistant bolts and studs for extreme offshore and petrochemical environments.
  • Incoloy (800 / 825)
    Fasteners designed for heat exchangers, chemical plants, and high-temperature service.
  • Nimonic Alloys
    Bolting materials for turbine engines, aerospace, and power generation.
  • Hastelloy C-22 / C-276
    Fasteners designed for aggressive chemical environments, scrubbers, and chemical plants.
  • Titanium Grade 2 / 5
    Lightweight, high-strength bolts for desalination plants, offshore equipment, and aerospace.

Applications in Singapore Industries

Oil & Gas Offshore Platforms

Super Duplex and Inconel fasteners for subsea pipelines, rigs, and refineries.

Marine & Shipbuilding

Monel fasteners for pumps, seawater valves, and ship hull fittings.

Petrochemical & Chemical Processing

Hastelloy and Incoloy bolts for tanks, chemical piping, and reactors.

Power Generation & Turbines

ASTM A453 Gr 660 and Nimonic turbine studs for boilers, turbines, and high-pressure bolting.

Desalination & Water Treatment Plants

Titanium and Super Duplex fasteners for chloride-rich environments.

Why Choose UCF for Exotic Alloy Fasteners in Singapore

Request a Quote Today

Looking for A453 Gr 660, Super Duplex, Monel, Inconel, Incoloy, Nimonic, Hastelloy, or Titanium fasteners in Singapore ?
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