The three-edge milling cutter is a high-efficiency, multifunctional tool designed for milling operations. Its unique three-edge structure—comprising a primary cutting edge on the cylindrical surface and secondary cutting edges on both end faces—ensures excellent performance in groove milling, step surfaces, and side machining. Manufactured from premium materials such as high-speed steel and carbide, and enhanced through precision heat treatment, this cutter guarantees sharp edges, smooth cutting, and extended tool life, making it ideal for various machining applications.