Spotting Drills for Aluminum Tungsten Carbide Twist Drill Bits for CNC Cutting Tools
Spotting Drills for Aluminum Tungsten Carbide Twist Drill Bits for CNC Cutting Tools
The function of the spotting drill: (Pole, the pores, the chamfering of the hole, the chamfering of the border, the one -hole, and the chamfer are completed)
The shape of the spotting drill is short, the ductile trough is very short, and the rigidity is excellent (Figure 1) the alloy concentration diamond effect is better. The geometric shape of its drilling tip is just enough to drill a shallow hole on the surface of the workpiece; compared with the standard drill, the horizontal blade of the spotting drill is very thin, which can effectively cut the workpiece material.
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