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UNI 5931| DIN 912 | ISO 4762 | IS 2269 Hexagon Socket Head Cap Screws

UNI 5931 – Hexagon Socket Head Cap Screws

(DIN 912 | ISO 4762 Equivalent)

Leading Manufacturer, Exporter & Supplier – Dipti Metal Industries

Founded in 2009 by Kumpsingh Rajput, Dipti Metal Industries is a globally recognized UNI 5931 Manufacturer, UNI 5931 Exporter, UNI 5931 Supplier, UNI 5931 Stockist, UNI 5931 Dealer, UNI 5931 Distributor, and UNI 5931 Wholesaler of UNI 5931 Hexagon Socket Head Cap Screws, complying with IS 2269:2006, DIN 912, and ISO 4762. We supply premium-grade fasteners to over 40 countries, meeting the highest standards for industrial, mechanical, and structural applications.

Our UNI 5931 socket head cap screws are designed for high-strength fastening, precision alignment, and superior torque transmission, making them ideal for machinery, automotive, aerospace, and heavy engineering sectors.

Product Specifications

  • Standard: UNI 5931

  • Equivalent Standards: DIN 912, ISO 4762, IS 2269:2006

  • Thread Type: ISO Metric Coarse / Fine Pitch

  • Head Type: Cylindrical Head with Hexagon Socket

  • Drive Type: Internal Hexagon (Allen)

  • Size Range: M3 to M48

  • Length Range: 6 mm to 300 mm

  • Thread Length: As per standard or customer requirement

  • Tolerance: As per ISO 4759-1

Material Grades

Carbon Steel

  • Grades: 8.8, 10.9, 12.9

  • Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized

Stainless Steel

  • Grades: A2-70, A4-70, A4-80 (SS 304, SS 316, SS 316L)

  • Finish: Self-Coloured, Passivated, Polished

Alloy Steel

  • High tensile alloy grades, heat-treated for strength

  • Coatings: Phosphate, Zinc-Nickel, PTFE

Non-Ferrous & Special Alloys

  • Brass (CZ121, CW614N), Silicon Bronze

  • Monel 400, Monel K500

  • Inconel 600, 625, 718

  • Hastelloy C22, C276

  • Titanium Grade 2, Grade 5

  • Duplex 2205, Super Duplex 2507

Coating & Surface Treatments

We provide advanced corrosion protection coatings with global brand applications:

  • PTFE Coated (Xylan®, Teflon®)

  • Black Phosphated

  • Zinc Plated (Clear/Blue/Yellow Passivation)

  • Hot Dip Galvanized (HDG)

  • Cadmium Plated

  • Ceramic Coated (Cerakote®)

  • Zinc-Nickel Coated

  • Zinc Flake Coated (Dacromet®, Geomet®)

  • Fluoropolymer Coated (Fluoroplate®, Whitford®)

Mechanical Properties (as per IS 2269:2006)

Property Class 8.8 Class 10.9 Class 12.9
Tensile Strength (MPa)800 min1040 min1220 min
Yield Strength (MPa)640 min940 min1100 min
Elongation (%)12 min9 min8 min
Hardness (HRC)22–3232–3939–44

Applications

  • Automotive assemblies and engines

  • Aerospace and defense components

  • Industrial machinery and equipment

  • Marine and offshore structures

  • Power generation and turbines

  • Heavy construction and mining

Manufacturing & Quality Control

  • Processes: Cold forging, hot forging, CNC machining, heat treatment

  • Testing: Dimensional check, hardness testing, tensile testing, coating thickness, salt spray test, PMI (Positive Material Identification)

  • Certification: EN 10204 3.1 / 3.2, Third Party Inspection (TPI) available

Export & Packing Details

  • Packing: Bulk in bags, small boxes in cartons, wooden pallets/crates

  • Marking: Grade, size, standard, batch number

  • Ports of Dispatch: Mumbai, Nhava Sheva, Mundra

  • Global Shipping: EXW, FOB, CFR, CIF, DDP terms available

Global Supply Network

We export UNI 5931 Hexagon Socket Head Cap Screws to North America, South America, Europe, Middle East, Africa, and Asia-Pacific, serving OEMs, EPC contractors, and distributors worldwide.

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