Self-Drilling Timber Screws Sealing Washers Zinc Plated Metal Roofing 25-100mm

Self Drilling Timber Screws with an EPDM washer for wooden substrates.

• Self-drilling point: Ability to drill through sheets up to 2.5 mm thick, resulting in a quick installation.
• EPDM sealing washer: Seals and protects the connection from corrosion.
• Branded screw head: The WK mark on the screw head identifies our company as the manufacturer and allows for easy product recognition.
• Anti-corrosion coating - zinc-plated: Zinc coating thickness of at least 12 μm, providing quality assurance and high corrosion protection.

Technical Parameters:

• Screw diameter dw [mm]: 4.8
• Screw length Lw [mm]: 25-100
• Screw material: Heat-treated carbon steel
• Protective coating thickness [µm]: ≥ 12
• Corrosion resistance according to Kesternich cycles 2.0 l [cycles]: C1
• Screw head type: Hex
• Screw head diameter Dw [mm]: 10
• Screw head height [mm]: 4.5
• Wrench size: SW8
• Thread type: Self-drilling
• Pilot drill length Lp [mm]: 5
• The outer diameter of the washer [mm]: 14
• Washer type: Steel with EPDM
• WFDOC screw 25-100 mm