The SGS TOOL Ball End Mill Carbide is a 4 flute ball end mill made of solid carbide with a 1/4" shank diameter, 1/2" cutting diameter, and 2" overall length. It has a TiAIN coating and is designed for general purpose milling in steel, stainless steel, cast iron, aluminum, and other non-ferrous materials. The 4 flute design provides good chip ejection and finish. This is a high quality carbide end mill well-suited for a range of milling operations.