Custom Special Fastener Stainless Steel A2/A4 Hex Machine Screws Inox AISI 304/316 Hexagon Head Bolts Hex Bolt and Nut Cold Forming Parts Assembly Parts-Earts Beauty

📑 Basic Information

Model NO.M3-M72

ConnectionCommon Bolt

Head StyleHexagonal

StandardDIN, ANSI, GB, ISO

GradeA2-70, A4-70, A4-80

ApplicationMachinery, Chemical, Building

FinishPolishing / Passivation

SizeM3-160, Non Standard

ThreadFull and Half Thread

SampleFree

Delivery Time7-25 Days

CertificationISO, RoHS, SGS, TUV

💎 Product Description

Stainless Steel A2/A4 Hex Machine Screws Inox AISI 304/316 Hexagon Head Bolts

Standard: DIN, ANSI, BS, ISO standards available.
Material: High-grade Stainless Steel (304/316).
Grades: A2-70, A4-70, A4-80 for various strength needs.
Metric Size: M3mm to M72mm; Inch Size: 1/4" to 2".
Length Options: 6mm to 300mm.
Surface Treatment: Plain, Passivation, etc.

Name	Stainless Steel Inox AISI 304 316 Bolts
Size	M3-M72 or non-standard as request
Head Type	Hexagon head, Hex flange head, Socket head, T head, etc.
Material	304 / 316 / 2205 / 2507 / 904L, etc.
Package	Bulk in master cartons, then on pallets.

📸 Detailed Photos

🛠️ Mainly Products Range

BOLTS: DIN933, DIN931, DIN912, DIN603, Carriage Bolts, Flange Bolts.

NUTS: DIN934, DIN6923, DIN985, Hex Heavy Nuts, Cap Nuts, Nylon Nuts.

SCREWS: Self-drilling, Self-tapping, Drywall, Machine, and Wood Screws.

WASHERS: Flat (DIN125), Spring (DIN127), Lock, and Square Washers.

🏢 Factory & Team

🌍 Global Presence & Logistics

❓ Frequently Asked Questions

What materials are available for your hexagon bolts?

We specialize in Stainless Steel A2-70, A4-70, and A4-80 (AISI 304 and 316) for superior corrosion resistance and durability.

Do you provide free samples?

Yes, we provide free samples so you can verify the quality of our fasteners before placing a formal order.

What is the standard delivery time?

Generally, our delivery time is between 7 to 25 days, depending on the order volume and customization requirements.

Can you manufacture non-standard fasteners?

Absolutely. We offer OEM services and can produce custom fasteners based on your specific technical drawings or physical samples.

What quality certifications do your products have?

Our manufacturing processes and products are certified by ISO, RoHS, SGS, and TUV to ensure international quality standards.

What industries use your stainless steel bolts?

Our products are widely used in machinery, chemical processing, construction, automotive manufacturing, and marine engineering.

Custom Special Fastener Stainless Steel A2/A4 Hex Machine Screws Inox AISI 304/316 Hexagon Head Bolts Hex Bolt and Nut Cold Forming Parts Assembly Parts

Product Description

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