Trapano autoforante 5,5 x 80 viti TEK fissaggio copertura metallo rivestimento lamiera
Self Drilling TEK Screws (Heavy Gauge) Fine Thread. Maximum Fixture Thickness without washer – 53mm. Maximum Fixture Thickness with bonded washer – 50mm. High Tensile Hardened Steel Zinc plated. Bonded Washer Size – 19mm.