Spectre Timber Fixing Screw 6.3 x 100mm | Toolstation
Eagle Claw Fasteners 10 x 3.5 Inch 305 Grade Stainless Steel Deck Screws 100 Box | eBay
Deck Screws, Exterior Wood Screws #8 x 1-1/2 Inch 100 Pcs, Carbon Steel Star Drive and Coarse Threads, Anti-Corrosion, Tan Coated Screws for Decks, ...