Ulti-Mate 1000 Piece Wood Screw Assortment Box, Zinc & Yellow

Ulti-Mate has the very latest PoziSquare recess, which gives you the stick fit with the driver bit that is supplied free in every box This innovative recess allows higher fastening torque, is safer and more stable and can be driven with any cross-point driver The screw recess provides better protection against driver bit damage Ulti-Mate screws have self-countersinking ribs and the thicker, stronger shank works better in a wall plug The single lead thread provides smoother, controlled driving, important for power tools This single thread resists stripping and gives greater holding power Ulti-Mate screws start quickly, drill their own pilot hole and their waxed coating allows them to drive in easier