Roofing self-drilling screw for wood 4,8x35-Zn RAL9010, WFD, WKRET-MET, 250pcs.

High-quality WFD roofing self-drilling screw is designed for fastening steel (metal sheet) roofing to wooden substrates. Thanks to its precision drill tip, EPDM washer, and durable RAL-colored powder coating, it is an excellent choice for long-lasting and aesthetically pleasing outdoor installation.

Advantages:
• ETA certification – ensures compliance with European quality and safety standards.
• RAL powder coating – provides UV resistance and long-lasting color durability.
• Hexagonal head – ensures optimal torque transmission (recommended up to 2000 rpm).
• EPDM washer – effectively seals and prevents moisture ingress.
• Special hardening – enhances strength and weather resistance.
• Drill tip – no pre-drilling needed in sheet metal up to 2.5 mm thick.
• 12 µm zinc coating – reliable corrosion protection in accordance with LST EN ISO 12944-2:2000.

Suitable base material:
• Wood