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 inches and shank diameter is 0.5 inches. It has an American National Standard Stub length of 2 inches. The mill is uncoated and has a peripheral grind. It can machine steels, cast iron, aluminum, copper, brass, bronze, plastics, and other non-ferrous materials. This durable and precise carbide end mill is well-suited for high production milling applications.