A2 IFI 536-1982 Metric Hex Flange Screws Bolt

• Standard: DIN 6921 / ISO 4162
• Material: A2-70 (AISI 304) or A4-80 (AISI 316) stainless steel
• Size Range: M5 – M20; lengths 10 – 200 mm (longer on request)
• Thread: Metric coarse 6g as standard; fine pitch, UNC, UNF optional
• Head Type: Hexagon head with integrated flange (smooth or serrated)
• Flange Diameter: e.g., M8 ≈ 16.8 mm, M10 ≈ 21.2 mm

We also supply hex flange nuts that work in tandem with our hex flange bolts. We have different grades of hex flange bolts, hex flange nuts, and hex flange screws to fit a wide range of applications. Stainless steel is widely used in the fastener industry,which not only looks great but has other benefits too..

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

• Finish: Plain self-colour, mirror-polished, or electropolished
• Proof Load: A2-70 ≥ 450 MPa; A4-80 ≥ 600 MPa
• Salt-Spray: A2 ≥ 500 h; A4 ≥ 1 000 h
• Temperature Range: –50 °C to +300 °C (depending on grade)

• One-piece flange replaces separate washer, cutting assembly time and parts count
• Serrated underside option offers vibration resistance without additional locking devices
• Zero coating thickness change – maintains precise grip lengths
• Non-magnetic, hygienic, and aesthetically pleasing for visible joints

• Marine: boat decks, dock hardware, offshore platforms (A4-80)
• Food & Beverage: processing tanks, conveyors, CIP skids
• Automotive & Transport: truck frames, bus bodywork, railway carriages
• Construction & Energy: façade panels, solar racking, wind-tower internals, nuclear & petrochemical piping

尾部

GET IN TOUCH

ABOUT US

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.