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 design for chip ejection. It can machine steels, cast iron, aluminum, copper, brass, bronze, plastics, and other non-ferrous materials. This durable carbide end mill is well-suited for high speed machining in automated milling applications.