Screw Size : 4 x 40 mm / 4 x 60 mm / 4.5 x 65 mm / 4.5 x 75 mm/ 4.5 x 85 mm

Screw Size : 4 x 40 mm / 4 x 60 mm / 4.5 x 65 mm / 4.5 x 75 mm/ 4.5 x 85 mm

Screw Size : 4 x 40 mm / 4 x 60 mm / 4.5 x 65 mm / 4.5 x 75 mm/ 4.5 x 85 mm

Product Features

 

A. Recess design helps secure the driver tightly and makes screwing process stable.

B. Pockets under head can cut the wood fiber and hide the wood burrs to flush the surface.     

    Facilitating screwing.

C. Shank milling thread helps bigger hole digging to reduce resistance from wood cutting and after head lock in.

D. 3 cutting threads lead the waste spurt out.

    It helps screw easily penetrate any type of hard wood.

E. Serrated threads efficiently cut wood fiber to fine powder.

F. The optimized thread cutting area speeds up insertion without splitting.

G. Twin thread for quick screw in and penetration.