Self-drilling screw 6.3x22mm with washer t14

Rawlplug Tex Screw stitcher with G16 washer are self-drilling screws that can be driven into steel without the need to pre-drill. These hexagonal head screws are used for attaching roofing sheets together. The bonded washer then gives a weather tight seal. Each bag contains 100 screws along with a free driver.