Unifix SWG

Screws for self-drilling fibre cement suitable for fastening fibre cement sheets, plasterboard and other materials on metal substrates.‎ - flat head countersink with flange - single thread with self-drilling bit - no pre-drilling required - steel substrate thicknesses min.‎ 0.‎8mm - max.‎ 3mm - made of case-hardened steel with SST surface treatment - special finish with high resistance to salt spray over 1000 hours