From 9990 Decking Screws Pay & Collect Submit your order now and collect your items at your local Biltema store in 2 hours! This is how Pay & Collect work Suitable for pressure impregnated wood. Coarse threaded with a small, recessed head with grooves on the underside. Torx T20. 2 pcs. bits are included. Stainless, A2. Designed for outdoor use. EN 14592.