SHEET TO TIMBER SCREW 16mm WASHER 6.3x60 TYPE 17PT

Packed: 100 Hex head self drilling screw to fix steel sheets to timber purlins The 16mm bonded EPDM washer gives a watertight seal The type 17 gash point makes the initial penetration of the metal sheet far easier than with a standard point Technical Info: Driver Type8mm (5/16") A/F Thread TypeCoarse Thread Point TypeType 17 Max Fixture Thickness17mm