Roofing screw 4.8x28 RAL 8017 brown (pk. 100pcs) Promrukav PR08.9432

A roofing screw is a fastener used to secure profiled sheeting and metal tiles to metal and wooden roofing structures. The rubber washer serves for waterproofing the fastener and is resistant to constant load changes, temperature fluctuations, and other external conditions. Made of carbon steel with electro-galvanization. Screw heads can be painted in various colors with polyester powder coating using a special thermal method.