Description
- Ideal size and type screw when fixing old asbestos roofing sheets to light section steel purlins or if needing to fix through standard profiles with insulation board beneath.
- 8mm (5/16) hex head. 8mm magnetic drill socket also available
- Shanks on the wings drill over sized holes through the roof sheet which allows for expansion and contraction on the sheet due to temperature
- Comes complete with 28mm diameter seala / baz washer to ensure watertight fixing over the crown of the corrugated profiled fibre cement sheeting.
- Evoshield coated
