Spectre™ by Forgefix, incorporates a long list of advanced screw features, often only found in premium screws, into what we've named advanced multi-purpose wood screws. Made from A2 stainless steel, which will not corrode, rust or stain with ordinary water like other steel does.They feature a countersunk, pozidrive compatible, recessed head. Fully threaded, up to 45mm, with a sawtooth thread, to prevent splitting, and reamer to prevent jacking (50mm and above). They are also surface hardened with a quick start type 17 slash point.CE approved for use in load-bearing timber construction.Select Option 3.5 x 16mm Box 2003.5 x 20mm Box 2003.5 x 25mm Box 2003.5 x 30mm Box 2004.0 x 20mm Box 2004.0 x 25mm Box 2004.0 x 30mm Box 2004.0 x 40mm Box 2004.0 x 50mm Box 2004.0 x 60mm Box 2004.0 x 70mm Box 2004.5 x 30mm Box 2004.5 x 40mm Box 2004.5 x 50mm Box 2005.0 x 100mm Box 2005.0 x 30mm Box 2005.0 x 40mm Box 2005.0 x 50mm Box 2005.0 x 60mm Box 2005.0 x 70mm Box 2005.0 x 80mm Box 2005.0 x 90mm Box 2006.0 x 100mm Box 1006.0 x 130mm Box 1006.0 x 150mm Box 100 Add to Basket Quantity