Back Home / Fasteners / Screws / TEK SCREW HEX WASHER HD #12 X 1″ TEK SCREW HEX WASHER HD #12 X 1″ SKU: 12X1T Categories: Fasteners, Screws A tapping screw with spaced threads and a drill point which drills its own hole. May be used to attach plywood, soft woods or composition board to metal, or attach metal to metal. All self-drilling screws offer economical benefits: reduces labor and tooling costs; reduces or eliminates drill bits and taps. Hex washer head. Steel zinc plated. Rockwell hardness C52 minimum. Diameter: 12 Length: 1″ Case Quantity: 100 Log In For Pricing