5,5x22 Selbstbohrende TEK Schrauben Befestigung Metall Dachverkleidung Blechbohrer
Self Drilling TEK Screws (Heavy Gauge) Fine Thread. Maximum Fixture Thickness without washer – 5mm. Maximum Fixture Thickness with bonded washer – 1.2mm. High Tensile Hardened Steel Zinc plated. Bonded Washer Size – 16mm.