The Kyocera 170HC3 is a 3 flute, high speed steel end mill with a 1/2" shank diameter, 1-1/2" overall length, and 3/4" cutting diameter. It has a TiAIN coating for heat and wear resistance. The end mill features variable helix flutes to reduce chatter and vibration. It is designed for high speed milling in steel, stainless steel, hardened steel, titanium, inconel, waspaloy, nimonics, and cast iron. The end mill provides high metal removal rates and smooth milling action. The 170HC3 is made in Japan by Kyocera, a manufacturer of precision cutting tools.