Classic Woodscrews - 4.0 x 40
- High torque, high strength, lubricated screw
- Deep, sharp single thread giving greater holding strength
- Easier, faster power driving with no pilot hole
- For use in a wide variety of materials such as wood, thin sheet metal, MDF board, chipboard and plastic
- Manufactured from hardened steel, zinc plated and yellow passivated to 5 microns for excellent corrosion resistance
- Cross recessed, countersunk head.