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Adaptor to suit 14-30mm hole saws
Patented chamfering on the tip ensures fracture resistance when drilling into concrete reinforcing
through-body porcelain tiles
Ideal for use with impact drivers
Suitable for use with 32-152mm hole saws
90 Degree HSS Co5 Bright Cross Hole Countersink Size:30mm 90 Degree HSS Co5 Bright Cross Hole Countersink Adaptor to suit 14-30mm holeCross 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