self-tapping screws

Washer for roofing screws With EPDM rubber gasket, galvanized / has no official standard The washer for the roofing screw is equipped with an EPDM rubber gasket made of ethylene, propylene, diene, methylene. It is not used without a self-tapping screw. The metal part of the washer is coated with white zinc. When painting the roofing screw, the metal part of the washer surface is painted. Coating of the metal part: white zinc. Gasket material: neoprene or EPDM E - ethylene, P - propylene, D - diene, M - methylene. Attention! The thickness of the EPDM rubber gasket on the washer is 2.4-2.8 mm.

Roofing self-tapping screw for metal DIN-EN-ISO 15480 (old - DIN 7504-K) with an EPDM washer 2.4-2.8 mm thick Standard Head: hexagonal with a shoulder, , turnkey 8 (D-5.5) or 10 (D-6.3) mm, a marking mark in the form of the letter "X" is stamped on the cap

Roofing self-tapping screw on wood with a 2.4-2.8 mm thick EPDM washer Head: hexagonal with a shoulder, 8 mm turnkey, a marking mark in the form of the letter "X" is stamped on the cap

Self-tapping screw for fastening, connecting sheet metal and metal profiles up to 0.9 mm Head: hexagonal with a shoulder, straight slot