The Micro 100 Corner Radius End Mill is a carbide end mill with a corner radius of 0.031 inches. It has a 1/4 inch shank diameter and is available in 1/2 inch, 5/8 inch, 3/4 inch, and 1 inch cutting diameters. The end mill has 4 flutes and can be run at speeds up to 21,000 RPM. It is made of solid carbide for wear resistance when milling steel, stainless steel, cast iron, aluminum, and other non-ferrous metals. This end mill is designed for corner radiusing in die/mold work, profiling, slotting, and contouring applications.