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