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Spot Drill 60 90 120 Degrees 1-20mm Chamfer Mill Stub Start Location Center Bit CNC Router

90°/120°, bronze and black coating are optional.
Precise positioning drill center positioning and chamfering finish.
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Benefits and Features


The centering drill shape is short and stubby, with a very short chip groove and excellent rigidity alloy centering drill is more effective. The geometry of the drill tip is just large enough to drill a shallow hole in the surface of the workpiece; compared to standard drills, the centering drill has a very thin cross-edge, which allows for effective cutting of the workpiece material. Centering drills are also evolving and their function is no longer limited to drilling centering holes.


Depending on the installation environment and the purpose of the drill, centering drills of 90 or 120 degrees can be selected.


With time-saving, high cutting efficiency and low wear


Having the advantage of more accurate and fine cutting results


Ensure the accuracy of drilling process by ordinary drill , and reserve the chamfer for tapping to facilitate tapping process. The main use is industrial drilling, widely used in processing, machinery, shipbuilding and other industries.


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