Self-countersinking, hardened steel wood screw with double reinforced collar for strength and prevention of snapping. Suitable for use in hardwood, softwood, PVCu, MDF, chipboard and sheet material. Sharp point offers immediate start, even in hard and smooth surfaces. No pilot hole or pre-drilling required due to consistently angled slash-point and sharp saw-tooth formation, also offering prevention of splitting. Features lubricant-coated thread for rapid and continuous insertion. Deep Pozi offers secure engagement and maximum torque transfer, whilst minimising slipping and cam-out. Suitable for screwdrivers, combi drills and impact drivers. Requires PZ2 bit (sold separately). 24-Groove Countersunk for a Smooth & Flush Finish Deep Coarse Thread for Secure Fixing & High Pull-Out Resistance Zinc-Plated & Yellow-Passivated Hardened Steel Construction Low Friction Coating Fully Threaded 24-Groove Countersunk for a Smooth & Flush Finish Deep Coarse Thread for Secure Fixing & High Pull-Ou...