The Micro 100 Square End Mill Center Cutting 14M721 is a square end milling cutter made by Micro 100. It has a 1/4 inch shank diameter, 1/2 inch cutting diameter, 2 inch overall length, and 2 flute design. This carbide end mill is center cutting and can plunge into material. It has a TiAIN coating for increased tool life and can machine steels, stainless steels, cast iron, aluminum, and other non-ferrous materials. The square shape allows milling of 90 degree shoulders and slots.