The Grainger Approved Square End Mill Single End Carbide is a milling cutter with a square end for machining flat surfaces, slots, and shoulders. It has four flutes and is made of solid carbide for wear resistance and hardness. The overall length is 3", diameter is 1/2", and shank diameter is 1/2". It has a TiAIN coating for heat resistance and lubricity. The end mill has a right-hand spiral flute direction and is designed for high-speed machining in steel, cast iron, aluminum, and other non-ferrous metals. It can be used in manual milling machines, CNC milling machines, machining centers, and lathes with a milling attachment.