Optimaxx PZ Countersunk Flooring Screw - 4 x 50mm - Pack of 500

Self-countersinking, hardened steel wood screw with double reinforced collar for strength and prevention of snapping. Provides a clean, flush finish in hardwood, softwood, plywood, MDF, chipboard and sheet material. Locking thread prevents movement and eliminates squeaking. 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 lubric... - Manufacturers part numbers: C331-427|226TY