5,5 x 67 Selbstbohrend TEK Schrauben Befestigung Metall Dachverkleidung Blechbohrer
Self Drilling TEK Screws (Heavy Gauge) Fine Thread. Maximum Fixture Thickness without washer – 43mm. Maximum Fixture Thickness with bonded washer – 40mm. High Tensile Hardened Steel Zinc plated. Bonded Washer Size – 19mm.