4mm Wood Screws

4mm Wood Screws Torx, Reinforced Double Countersunk Head - Reduces cam out, increases torque transmission 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 torx bit.