A milling cutter is a commonly used cutting tool used for milling operations in milling machines or machining centers. It has multiple cutting edges and removes material from the workpiece through rotational motion to achieve the desired shape, size, and surface quality. There are various types of milling cutters, including face milling cutters, end milling cutters, ball end milling cutters, T-slot milling cutters, etc. Each type is suitable for specific milling tasks and workpiece materials. Milling cutters have the characteristics of high efficiency and precision, and are widely used in various manufacturing fields, such as mechanical processing, mold manufacturing, aerospace, etc.