COUNTERSUNK SELF DRILLING SCREWS WITH WINGS FOR THIN MATERIAL
Self drilling & self tapping screws designed for fixing wood to thin metal.
Drill, drive & fix in one operation.
Countersunk head with Phillips drive.
Self drilling point for metal up to 5mm thick.
Wings on the screw shank create a clearance hole in the wood to prevent the screw binding, the wings then break off on contact with steel.
Ribs under the head to aid countersinking
Zinc plated hardened steel
See video; Using winged self drilling screws