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 2" overall length, and a 1/2" cutting diameter. The end mill has a TiAlN coating for increased tool life and heat resistance. It is designed for general purpose milling in materials like aluminum, steel, stainless steel, cast iron, and titanium. The end mill provides accurate profiling and milling in contoured areas.