The Ball End Mill from Ball is a high-speed steel end mill with a ball nose end. It has a 1/2" shank diameter, a 1/2" cutting diameter, a 2" overall length, and a 2 flute design. This end mill is center cutting and right hand spiral. It can be used for slotting, profiling, contouring, and facing on materials like steel, stainless steel, cast iron, aluminum, copper, brass, bronze, plastic, and wood. The ball nose design allows milling of 3D contoured shapes.