Spax Pozi Yellow Woodscrew 40mm x 4 (tub of 800) is a Yellox coated screw that is resistant to corrosion. The exceptional design of this woodscrew means wood splitting is minimised and no pre-drilling is required. Designed with durability in mind, the Spax Pozi Woodscrews comes with a deeper recess which provides a stronger hold. The SPAX Countersunk pozi-head wood screw is a universal screw that can be used in several materials and offers quick and safe fasting with less torque required.