Screws

Roofing Screw

High-quality Roofing Screw supplied by Valaki Enterprise, Nashik — ISO certified, bulk supply to Nashik, Pune & Mumbai.

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Roofing Screw
Roofing & Cladding

Roofing Screw

Roofing screws are specially designed fasteners used for fixing roofing sheets to metal or wooden structures. They provide excellent holding strength and are engineered to withstand harsh outdoor environments including wind, rain, and temperature variations.

These screws typically feature a hex head with an EPDM washer that ensures a watertight seal, preventing leakage and corrosion. Widely used in metal roofing, steel structures, sheds, and industrial roofing applications.

Weather Resistant M4 – M8 20 – 150 mm Zinc / HDG

Technical Specifications

Complete material and dimensional specifications for Roofing Screws

Parameter Details
Material Carbon Steel / Stainless Steel (SS 410 / SS 304)
Screw Type Self Drilling Roofing Screw
Diameter Range M4 to M8
Length Range 20 mm to 150 mm
Head Type Hex Head with EPDM Washer
Drive Type Hex (Nut Driver)
Thread Type Self Drilling / Coarse Thread
Surface Finish Zinc Plated / Hot Dip Galvanized (HDG) / Ruspert Coated / Color Coated
Standard DIN 7504 / ISO 15480
Tensile Strength 1020 MPa (minimum for hardened carbon steel)
Yield Strength 850 MPa (minimum)
Hardness HRC 32 – 40
Operating Temperature -40°C to +120°C (EPDM Washer Recommended Range)
Packaging Boxes / Bulk Packaging / Custom Branding

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