Type 17 - Hex - With Polycarbonate Washer

Type 17 Polycarbonate Roofing Screw allows for single step installation with no pre-drilling required. The unique cutting head ensures the correct size expansion hole is pre-drilled and the screw is centred. The Hex Head for a quick and secure fasten into steel and a Dome Washer ensures the hole has a water tight seal.


  • Imperial: Dia 12G & Lengths 50mm - 65mm
  • Head Style: 5/16" Hex Heads
  • Material/Finish: Class 4
  • Pitch: 11
  • Applications: Fixing Polycarbonate roof sheeting to timber battens