ForgeFast Elite Low-Torque Reduced Head Decking Screws - Green - Tub ForgeFast Decking Screw Green Tub 600 Composite 4.5x50mm - Fixings & Fastenings | Forgefix
Diall PZ Double-countersunk Carbon steel Decking Screw (Dia)5mm (L)50mm, Pack of 500 | DIY at B&Q