6.3 x 22mm Stitcher Self Drilling Tek Screw With 16mm Bonded Washer - 250 Pack

The 6.3 x 22mm Stitcher Self Drilling Tek Screw is perfect for easily joining two thin metal sheets together with its coarse self drilling thread and hardened carbon steel reduced point. With its bonded neoprene washer and zinc-plating, it provides a watertight seal. This pack of 100 screws also features a hexagon flange head with a 5mm depth and 8mm diameter (5/16"), along with a 8mm (5/16") Tek screw adapter size. Technical specifications include a 6.3mm thread diameter, 22mm screw length from under the head, and a 16mm bonded washer diameter. No pre-drilling required!