CNC milling is an industrial processes that companies depend on and uses computer numerical control technology, or CNC. Some examples of other processes include CNC cutting, routing, drilling, grooving and more.Here is a basic overview of CNC milling and its uses. CNC milled products are used in an ever-expanding variety of industries. For example, this machine and process create parts and components for aircrafts, automobiles, engines, and more. Milling also produces cooking utensils, light fixtures, door handles, medical devices, optical reflectors, and the list goes on. Along with a broad applications, the finished products are precise.