The Ball End Mill from Ball is a high-speed steel end mill with a ball nose end for milling contoured surfaces. It has a 1/4" shank diameter, 1/2" cutting diameter, 2" overall length, and 2 flute design. The end mill features TiAlN coating for increased tool life and heat resistance. It can machine steels, stainless steels, cast iron, hardened metals, titanium, and other materials at speeds up to 65 SFM. The ball end mill is ideal for 3D contouring, profiling, and finishing applications.