ForgeFix Spectre™ Advanced Timber Fixing Screws have a multi-layer green Ruspert coating that is salt spray tested to 1000 hours, making them highly resistant to corrosion. They are also surface hardened for extra durability. The Type 17 slash point makes it easier to work with harder timbers. Synthetic lubrication ensures easy insertion, with a reamer to prevent jacking. The under-head ribs provide a tight and secure join.Designed for use in decking construction. Also widely used in exterior timber, fencing and landscaping applications.Head: 8mm Hex Flange.Select Option 6.3 x 100mm Box 506.3 x 175mm Box 506.3 x 225mm Box 506.3 x 75mm Box 506.7 x 125mm Box 506.7 x 125mm Tub 2506.7 x 150mm Box 506.7 x 150mm Tub 2506.7 x 175mm Box 506.7 x 65mm Box 506.7 x 75mm Box 506.7 x 95mm Box 3806.7 x 95mm Box 508.0 x 200mm Box 508.0 x 225mm Box 508.0 x 250mm Box 508.0 x 275mm Box 508.0 x 300mm Box 25 Add to Basket Quantity