Examples of widespread drill bits Employed in CNC machining processes include things like recognizing drills for creating shallow or pilot holes, peck drills for minimizing the volume of chips over the workpiece, screw machine drills for making precision holes with out a pilot hole and chucking reamers for enlarging Formerly https://cncmachininginchina04703.blogadvize.com/24142136/the-best-side-of-precision-cnc-machining