Application MatchingFasteners Selected for Corrosion, Strength and Temperature
Drawing-Based CustomizationSupport for Non-standard Sizes, Materials and Finishes
Project FulfillmentCoordinated Sampling, Production and Shipment
Stainless and duplex stainless fasteners for marine, chemical and hygienic equipment

Engineering Assurance

Stainless & Duplex Stainless Steel

304 / A2-70 · 316 / 316L / A4-70 / A4-80 · Duplex 2205 · Super Duplex 2507

Corrosion-resistant fastening for marine, chemical and hygienic equipment

Austenitic, duplex and super duplex stainless fasteners selected for chloride exposure, washdown, chemical service and long-life outdoor connections.

  • ISO 3506 A2/A4 · Duplex 2205/2507
  • Manufactured to DIN / ASTM / ISO standards
  • Passivation, anti-galling and project coating options
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High-strength engineering steel fasteners for structures, machinery and pressure equipment

Engineering Assurance

High-Strength Engineering Steel

Metric property classes 8.8 / 10.9 / 12.9 · ASTM A193 B7 / B16

Heat-treated medium-carbon and alloy steel for highly loaded joints

Quenched-and-tempered engineering steel fasteners for structural, automotive, machinery, pressure and energy applications, with coatings selected separately for corrosion and friction control.

  • Property Classes 8.8 / 10.9 / 12.9
  • ASTM A193 B7 / B16 high-pressure bolting
  • HDG · Zinc Flake · PTFE · Zinc-Nickel options
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Titanium and nickel alloy fasteners for lightweight, corrosive and high-temperature service

Engineering Assurance

Titanium & Nickel Alloys

Ti-6Al-4V Grade 5 · Inconel 625 / 718 · Hastelloy C276 · Monel 400

Lightweight, corrosion-resistant and high-temperature critical service

Titanium fasteners provide high specific strength and corrosion resistance; selected nickel alloys provide elevated-temperature, creep or chemical-corrosion performance according to grade.

  • Titanium Grade 5 · Inconel 625/718
  • Hastelloy C276 · Monel 400
  • Grade-specific temperature and corrosion qualification
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Aluminum and engineered polymer fasteners for lightweight, insulating and specialist applications

Engineering Assurance

Special Materials & Engineered Polymers

Aluminum 7075-T6 · PEEK · PA66 (Nylon 66)

Lightweight, insulating, non-magnetic and application-specific properties

Specialized fastening solutions where electrical insulation, low mass, chemical resistance or non-magnetic behavior matters, including aluminum and engineering polymers.

  • Aluminum 7075-T6 · PEEK · PA66
  • Insulating, lightweight and non-magnetic options
  • Semiconductor and custom engineering applications
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Factory Strength

Source factory in Wuxi fastener industry cluster · Stable capacity · Strict quality control · Rich export experience

Certifications & Quality

IATF16949

CE Certification

SGS Testing

Material Test Report

World map showing Eternal Fastener export markets from Wuxi, China

Global Market Coverage

Serving premium industrial clients across five continents

Global HQ Wuxi, China