Forgefix ForgeFast Wood Screws have a universally accepted, Torx® compatible drive. Their recessed ribs provide improved countersinking and reduced surface dust, and their reinforced countersunk necks improve holding power. The screws have a patented drill and drive thread for reduced splitting of the timber, reduced \'jacking\' and spinning of joined timber, increased pull-out and a firmer fix. A sharp point provides faster bite and is capable of piercing 0.8mm steel. The screws have an \'Elementech 400\' coating providing an anti-corrosive metal finish, which lasts up to 6 times longer than standard zinc coatings. The coating is environmentally friendly and does not contain Cr6+. It is Salt Spray tested to 400 hours. The screws are suitable for interior use. Every box is supplied with a Torx® compatible bit.Size: 4.0 x 50mm.Box quantity: 200.