Self Drilling Screws - Square Thread - Countersunk Square Drive - Self Embedding Winged

Square Thread Self-Drilling Countersunk Winged Screws are suitable for timber, fibre cement and chipboard into steel framing. The Self-Drilling point drills steel whilst the wing tips create a pilot hole braking off when passing through the steel. After threading the ribbed underside of the screw head self-embeds for a flush or recessed finish, driving out any loose particles when countersinking.


  • Imperial: Dia 10G & Lengths 40mm - 45mm
  • Drive Type: Self Embedding, winged with a Square #2 drive
  • Material/Finish: Class 3, Stainless Steel
  • Pitch: 16
  • Applications: Suitable for timber decking or panels, fibre cement & chipboard into steel
See product list (4)
Show related products
Available in 4 variations

If you have a question, require a unique solution or are looking for a fastener that is not listed, please contact us with your requirements.