COUNTERSUNK SELF DRILLING SCREWS WITH WINGS FOR THICK MATERIAL
Self drilling & self tapping screws for fixing wood to thick metal.
Designed for drilling into metal up to 12mm thick.
Drill, drive & fix in one operation.
Countersunk head with Phillips drive.
Self drilling point.
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