Rawlplug 55022 OC Self Drilling Screws 5.5mm x 22mm without washer (200).
For the fixing of sheet metal to steel structured on facades or flat roof construction.
Features: Under head non threaded zone eliminating thread breakages in sheet metal, hexagonal flange head. Special head design together with the washer guarantees even installation & tightness of the connection. Available with or without EPDM washer.
Max Fixture: 9mm