Self-Drilling Screw 4.8*20Mm Galvanized - 5 Sto - Wsb 20 Zns

Drilling, self-tapping fastener made of surface-hardened carbon steel, electrolytically galvanized, with reduced drilling point, wood thread and hexagon washer head, with installed steel washer with vulcanized EPDM. Designed for fastening thin corrugated steel sheets with a roof profile (roofing tiles) to wooden structures.