CNC milling is a process used to machine irregular / prismatic parts. Milling tools with a rotating spindle head and multiple flutes are often referred to as end mills or end mills that can be moved along different axes for machining narrow spaces, grooves, outer contours, and etc., Machine tools for milling are called milling machines. CNC milling machines are usually index-controlled machining centers, and milling is performed in the machine shop. A wide ranges of milling materials are available, it fit most types of projects.