Stainless Steel 304 316 Eye Bolt Open Eyes Hook Bolt

• Standard: DIN 580, ASME B18.15, or custom forged eye bolt
• Material: SS 304 (A2-70) and SS 316 (A4-80) stainless steel
• Thread Range: M6 – M30; lengths 25 mm – 300 mm
• Eye Inside Diameter: 1.5 × bolt diameter (e.g., M12 = 18 mm)
• Thread Type: Metric coarse 6g; UNC/UNF, fine pitch, or left-hand on request
• Finish: Plain passivated or mirror-polished

304 Chemical Composition(%)
Grade	C≤	Mn≤	Si≤	S≤	P≤	Cr	Ni	N≤
	0.08	2	0.75	0.03	0.045	18.0-20.0	8.0-10.5	0.1

304 Mechanical property
σb≥	σ0.2≥	δ5 (%)≥	Hardness(HB)(kgf/mm2)]
520(Mpa)	205(Mpa)	40%	≤187 HRB≤90 HV ≤200

316 Chemical Composition(%)
Grade	C≤	Mn≤	Si≤	S≤	P≤	Cr	Ni	Cu	MO	N
	0.017	0.98	0.25	0.0016	0.0414	16.23	10.08	0.32	2.06	0.037

316 Mechanical property
σb≥	σ0.2≥	δ5 (%)≥	Hardness(HB)(kgf/mm2)]
520(Mpa)	205(Mpa)	40%	≤187 HRB≤90 HV ≤200

• Proof Load: 304 ≥ 450 MPa; 316 ≥ 600 MPa
• Salt-Spray Rating: 304 ≥ 500 h; 316 ≥ 1 000 h
• Operating Temperature: –50 °C to +300 °C, non-magnetic at ambient
• Seamless forged eye eliminates weld seams for maximum safety

• One-piece forged construction for high load security
• Laser-marked Working Load Limit (WLL) on every unit
• Smooth eye surface prevents rope or cable abrasion
• Maintenance-free finish—no painting or re-coating required

• Marine & Coastal: dock hardware, yacht rigging, ship lifting points
• Food & Pharmaceutical: processing equipment, wash-down lifting lugs
• Construction & Architecture: façade suspension, safety-line anchors, catenary systems
• Renewable Energy: solar-array hoists, wind-turbine service platforms

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Jiaxing Goshen Hardware CO., LTD is Located at Economic Development Area, Jiaxing City, Zhejiang Province, China. We specialise in suppling kinds of stainless steel, high strength and low carbon steel fasteners with excellent quality and reliable price. Our fasteners according to a number of internationally recognised standards including DIN, ANSI/ASTM, BS, JIS, GB etc.