ForgeFast Exterior Elite 2000 Pozi Compatible Wood Screw 4 x 30mm Box 400 - ForgeFix FFE470ST, The ForgeFast Elite Performance Pozi Compatible Exterior Wood Screw features the Elementech 2000 Coating System which has been developed to provide increased corrosion resistance when installed in treated and untreated wood. A 2,000 hour salt spray test rating simulates exterior, coastal construction environments and ensures Elite Performance in all weather conditions in both commercial and residential applications. The advanced thread technology and POZI recess are designed to provide faster and easier installation with no pre-drilling required. A double cutting point reduces splitting and drive time and is capable of penetrating 0.8mm steel. A firmer fix with reduced drive torque and improved pull-out provided by a serrated cutting thread. Anti-friction thread prevents 'jacking' and rotation of adjoining timbers whilst reducing splitting. Improved holding power from reinforced countersunk