Performance Plus High Performance Wood Screws. Pozi, Reinforced Double Countersunk Head - Reduces head breakage and assists countersinking. Self- Countersinking Ribs - For improved countersinking and a flush finish. Waxed Zinc and Yellow Passivated Finish - Corrosion resistant and significantly reduces torque. Milling Tread - Reduces torque, prevents splitting and torque. Serrated Thread - Cuts into wood reducing splitting and torque. Type 17 Cut Point - Reduces splitting and the requirement for pre-drilling. Each box comes complete with FREE pozi bit.
