10 x 1-1/2 Hex Washer Head Metal Roof Screw. 100ct - Self starting/self tapping metal to wood sheet metal roofing siding screws with EPDM washer seal. Powder Coated for Corrosion Resistance. For
Fibreglass Self Drilling Screws With 32mm Weatherlock Washer | Australian Fasteners
Self Tapping roofing screw Type 17 Class 3 Galvanised Washer 12 x 65 14x100 MM | eBay