The engraving tool is a type of prop used for engraving. The engraving knife has a category, and the milling cutter is actually a kind of engraving knife.
Milling cutter: it is used for roughing to remove material.
The milling cutter contains the following four tool options.
Flat end milling cutter: mainly used for cutting of processed materials,
Ball-end milling cutter: mainly used for surface engraving of processed materials, relief, plane engraving
Point-end milling cutter: V-shaped engraving mainly used for processing materials, generally used for lettering and line engraving