90 Degree HSS Co5 Bright Cross Hole Countersink Size:30mm 90 Degree HSS Co5 Bright Cross Hole Countersink 8mm 1/4" Hex Shank Diamond

8mm 1/4" Hex Shank Diamond Core Drill

door lock installations

118º point angles are ideal for use in materials such as mild steel and cast iron

Clean cutting even at lower RPMs

12mm Brilliant Diamond Hole Saw

90 Degree HSS Co5 Bright Cross Hole Countersink Size:30mm 90 Degree HSS Co5 Bright Cross Hole Countersink 8mm 1/4" Hex Shank DiamondCross 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