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, 1" overall length, and a 1/2" cutting diameter. The end mill has 2 flutes and a right-hand spiral. It is designed for general purpose milling in materials like aluminum, brass, bronze, and plastics. The end mill features TiAlN coating for increased tool life and lubricity. It can be run at speeds up to 11,000 RPM with feed rates up to 80 IPM. The end mill is made in the USA.