75mm/90mm/100mm Galvanized Roofing Screw Nails with Iron and Rubber Washer Assembled for Building and Construction - China Nails, Iron Nail | Made-in-China.com
4TRADE Decking Screw 5 x 90mm Green Tub 500 | Travis Perkins
TIMco 6.3 14g Slash Point Timber Roofing Screws Hex Head EPDM Washer Zinc | eBay
TechFast Heavy Duty Timber to Steel Roofing Screws | 5.5 x 60mm | Elementech | Bag 100 : Amazon.co.uk: DIY & Tools