Countersinking. A countersink Software enters the workpiece axially and enlarges the very best of an existing bore right into a tapered opening. Arbor: Arbor is actually a kind of Instrument adapter (or Instrument holder) that supports adding a facet cutter or niche milling tools. It's aligned beside the spindle. Enable https://milling-machines-dental23333.therainblog.com/26375262/machine-milling-tools-fundamentals-explained