Hex Bolts

Hex Bolt – Standard

High-quality Hex Bolt – Standard supplied by Valaki Enterprise, Nashik — ISO certified, bulk supply to Nashik, Pune & Mumbai.

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Hex Bolt Standard
Hex Bolt

Hex Bolt – Standard

Standard hexagonal head bolts are among the most widely used fasteners in structural steel, general machinery, and civil construction. The six-sided head provides a large bearing surface and allows tightening with a standard spanner or socket wrench, making them easy to install and remove in most access conditions. Available in both full thread (ISO 4017 / DIN 933) and partial thread (ISO 4014 / DIN 931) configurations, they suit a broad range of clamping applications. Manufactured from mild steel and finished with zinc plating for corrosion protection, these bolts deliver reliable performance in indoor and sheltered outdoor environments. Custom lengths, special grades, and hot-dip galvanised finishes are available on request for project-specific requirements.

Grade: 4.6 / 8.8 / 10.9 M6 – M48 Length: 10 – 300 mm MS / Zinc Plated ISO 4014 / DIN 931

Technical Specifications

Complete material and dimensional specifications for Standard Hex Bolts

Parameter Details
Material Mild Steel (MS)
Grade / Class 4.6 / 8.8 / 10.9
Size Range M6 to M48
Length Range 10mm to 300mm (Custom lengths available)
Head Type Hexagonal Head
Drive Type External Hex (Spanner / Socket Drive)
Thread Type Metric Coarse / Fine Thread (DIN 13)
Surface Finish Zinc Plated / Self Colour / HDG
Standard ISO 4014 / ISO 4017 / DIN 931 / DIN 933
Tensile Strength 400 MPa (Gr. 4.6) / 800 MPa (Gr. 8.8) / 1040 MPa (Gr. 10.9)
Yield Strength 240 MPa (Gr. 4.6) / 640 MPa (Gr. 8.8) / 940 MPa (Gr. 10.9)
Hardness HRB 70–95 (Gr. 4.6) / HRC 22–34 (Gr. 8.8 & 10.9)
Operating Temperature Up to +300°C (depending on grade & finish)
Packaging Poly Bags / Wooden Boxes / Custom (per requirement)

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