1/4 X 3/8" TiN 2 Flute High Speed Steel Single End Center Cut End Mill ~ Cutting diameter is 1/4". ~ Cutting length is 1/2". ~ Shank size is 3/8". ~ Overall length is 2-5/16". ~ Ground from solid. ~ Center cutting. ~ Used for slotting, ramping, pocketing and plunging operations. ~ Preferred for small and medium removal rates on soft, tough and long chip materials such as aluminum, copper & brass. ~ Also used for general purpose machining of both ferrous and nonferrous materials.