Self Drilling Screw + Cyclone Assembly

Self-Drilling - Cyclone Assembly screws and washers are ideal for fastening roof sheets to metal battens in high-wind regions, needing to withstand extreme winds and vibrational loads. Includes a neoprene washer for exceptional sealing and creates a large contact area to spread the load.


  • Imperial: Dia 12G - 14G & Lengths 25mm - 300mm
  • Head Style: 5/16" to 3/8" Hex Heads
  • Material/Finish: Class 4, Stainless Steel
  • Pitch: 10-20
  • Applications: Suitable for metal roofing, fixing to metal battens in high-wind regions
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