Buy 3.5mm x 16mm EXTERIOR-TITE® Outdoor Pozi Countersunk Screws - Black - Box of 200
Deck-Tite 4.5 x 50mm Outdoor Screws Green Net-Coat - Box of 200 | ITS.co.uk
Single Thread Deck & Outdoor Pozi Screw 4.5 x 60mm | Toolstation
Outdoor Screws: Which Types are Best? | Shop4Fasteners
Power Pro 48610 Wood Screws, 9 x 2-1/2", Premium Outdoor Deck Screws, Rust Resistant, Epoxy Coated Bronze, 5lb Tub, 501 pcs : Amazon.co.uk: DIY & Tools
Exterior-Tite PZ Pan Thread-Cutting Outdoor Screws 4mm x 30mm 200 Pack - Screwfix
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, Fences and Other Outdoor Use | by IMSCREWS :