First, we need to know, what is CNC End Mill is for?
Simply put, CNC End Mill is one kind of milling cutter used by CNC Milling machines. There are various diameters, flutes, lengths, and shapes to choose from, and users choose them according to the material of the workpiece and the surface finish required for the workpiece.
The basic 3 elements of drilling:
1. The size of the hole
2. Depth of the hole
3. The accuracy of the hole