Corrosion-Resistant Fasteners
304, 316, 316L, duplex 2205 and super duplex 2507 for marine, chemical and hygienic service

Fastener manufacturer in China · Wuxi

01 · Company profile
Eternal Fastener is a high-performance fastener company based in Wuxi, China, and a subsidiary of Wuxi EternalFast Metal Co., Ltd. We focus on fasteners for demanding loads, corrosive media, elevated or low temperatures and application-specific engineering requirements.
Our supply covers standard and special bolts, studs, screws, nuts, washers, anchors and drawing-based parts in stainless and duplex stainless steels, high-strength engineering steels, titanium, nickel alloys and engineered special materials. We support EPC projects, equipment manufacturers, industrial distributors and maintenance supply chains from selection through delivery.
02 · Core supply scope
304, 316, 316L, duplex 2205 and super duplex 2507 for marine, chemical and hygienic service
Grades 8.8, 10.9 and 12.9 plus ASTM stud bolting and structural assemblies for controlled mechanical performance
Titanium, Inconel, Hastelloy, Monel, aluminum, copper alloys and engineering polymers for critical environments
Full-range standard fasteners, matched assemblies and non-standard parts manufactured to drawings or project specifications



03 · Product families
Hex, heavy hex, flange, structural and anchor bolts; full-thread studs, tap-end studs and threaded rods.
Socket head, countersunk, machine and special-drive screws for equipment and precision assemblies.
Hex and heavy hex nuts, lock nuts, flat, spring and structural washers matched by grade and thread.
Anchor rods, foundation assemblies, rock anchors and project-specific anchoring components.
Non-standard geometry, special materials, controlled fatigue performance and load-specific engineered parts.

04 · Inspection plan
Coating thickness, surface condition and corrosion testing when specified
Tensile, proof load and related mechanical property verification
Chemical composition verification and material certificate review
Hardness verification appropriate to grade and applicable standard
Thread gauging, fit checks and torque-related testing when required
From material identification and dimensional inspection to mechanical properties, surface condition and final documentation, quality records can be organized at batch level according to the agreed inspection plan.
05 · Talk to engineering sales