JCP Metalfix Zinc Plated Steel to Steel With 16mm Washer 5.5mm x 50mm 3PT qty100

Self drilling tek screws for fixing metal sheets to cold rolled steel sections 1.2mm to 3.6mm thick. Bonded neoprene washer to provide watertight seal. No pre-drilling required. Coarse self drilling thread. No. 3 hardened carbon steel self drilling point. Zinc plated. Fully threaded.