90 Degree HSS Co5 Bright Cross Hole Countersink Size:30mm 90 Degree HSS Co5 Bright Cross Hole Countersink 5 Pce 10-31mm 90 Degree

5 Pce 10-31mm 90 Degree HSS Co5 Triple Flute Countersink Set

reducing the need for end thrust

Patented chamfering on the tip ensures fracture resistance when drilling into concrete reinforcing

Ideal for use with impact drivers

90 Degree HSS Co5 Bright Cross Hole Countersink Size:30mm 90 Degree HSS Co5 Bright Cross Hole Countersink 5 Pce 10-31mm 90 DegreeCross hole countersinks are ideal for countersinking and deburring in a wide range of materials including ferrous and non ferrous metals. The intersection of the hole and cone form the cutting edge on the tool. The cone is not truly symmetrical as it is essential that the cone retreats away from the cutting edge as the tool rotates. If this does not occur the cutting edge will lack clearance and rub rather than bite into the material. This clearance