Button Head Bolts

Button Head Flange Bolt

High-quality Button Head Flange Bolt supplied by Valaki Enterprise, Nashik — ISO certified, bulk supply to Nashik, Pune & Mumbai.

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Button Head Flange Bolt
Button Head Bolt

Button Head Flange Bolt

Button Head Flange Bolt combines the low-profile button head with an integrated washer flange at the base that distributes clamping load over a larger area. This eliminates the need for a separate washer and reduces surface damage by spreading stress more evenly across the mating surface.

Available with serrated flange options for superior vibration resistance, these bolts are ideal for sheet metal assemblies, plastic panels, automotive body components, and any application requiring a secure joint with anti-loosening characteristics. The zinc-plated mild steel construction provides good corrosion protection for indoor and light outdoor use.

Serrated Flange M4 – M16 MS Zinc Plated ISO 7380-2 Anti-Vibration

Technical Specifications

Complete material and dimensional specifications for Button Head Flange Bolts

Parameter Details
MaterialMild Steel (Zinc Plated)
Grade / ClassGrade 8.8
Size RangeM4 to M16
Length Range8mm to 80mm (Custom lengths available)
Head TypeButton Head with Integrated Flange
Flange TypeSmooth / Serrated (Anti-vibration)
Drive TypeInternal Hex (Allen / Socket Key)
Thread TypeMetric Coarse Thread (DIN 13)
Surface FinishZinc Plated
StandardISO 7380-2
Tensile Strength800 MPa (Grade 8.8)
Key PropertyIntegrated flange — no separate washer needed; anti-vibration serrations available
Corrosion ResistanceGood (Zinc Plated) — suitable for indoor/light outdoor
Operating Temperature-20°C to +200°C
PackagingPoly Bags / Wooden Boxes / Custom (per requirement)

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Contact us for bulk orders, custom sizes, or special material grades.

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