With the Spax chipboard screw 5 x 70 mm full thread, you build strong and durable outdoor timber structures with total confidence. Made from A2 stainless steel, it provides dependable protection against corrosion and weathering. The full thread across the entire 70 mm length delivers exceptional tensile and compressive load capacity when securing wood or hardware fittings. While driving, the t-star plus T20 drive ensures a tight bit engagement for optimal power transmission without slipping. The countersunk multikop head cleanly mills into the timber, giving your outdoor projects a smooth, splinter-free, and flush finish every time.