Single Self-drilling TEK Roofing Screws with Sealing Washers in Various Colours

For fixing corrugated sheet metal to timber constructions. Excellent quality for general exterior construction. EPDM Rubber WashersEPDM (ethylene propylene diene monomer) : A popular Elastomer for outdoor Applications where weather and water resistance is required. EPDM offers a Superior resistance to Ozone, UV and sunlight. It also has a good resistance to steam and brake fluid. EPDM compounds are typically developed with a sulfur or peroxide cure system. Peroxide-cured compounds are suitable for higher temperature exposure and typically have improved compression set performance. Length: 35mm Very High Quality Screws Hexagon head with drilling point and EPDM bonded sealing washer All screws have a 4.8mm thread diameter Hexagonal head is 8mm Available in various colours