The Micro 100 Corner Radius End Mill with AlTiN coating is a 14mm diameter, 2 flute end mill with a corner radius of 0.5mm. It has a TiAlN coating for high temperature resistance and hardness. The end mill has a shank diameter of 3/8", an overall length of 2-1/2", and a flute length of 1-1/4". It can machine steels, stainless steels, cast iron, aluminum, and other non-ferrous metals. The corner radius profile allows for strong cutting edges and smooth wall blends.