Roofing self-drilling screw for metal 5,5x32-Zn -12mm, WSS, WKRET-MET, 250pcs.

High-quality WSS self-drilling screw with hexagonal head and EPDM washer is designed for reliable fastening of steel (sheet metal) coverings to metal structures.

Advantages:
• CE certified – ensures compliance with strict European quality and safety standards.
• Hexagonal head (SW8) – precise torque transmission, quick and easy installation (recommended up to 1800 rpm).
• EPDM washer with steel base – effectively protects against moisture and ensures tight sealing even under outdoor exposure.
• Special hardening – increases resistance to mechanical stress and enhances durability in extreme conditions.
• Drill point design – enables drilling into steel up to 12 mm thick without pre-drilling.
• 12 µm zinc coating – reliable corrosion protection according to LST EN ISO 12944-2:2000 (C2 category).

Suitable for the following base materials:
• Steel up to 12 mm thick