pMorse Roughing End Mill, Center Cutting Regular Length Single End, Series 4596, 2 in Cutter Dia, 412 in Overall Length, 2 in Maximum Depth of Cut, 8 Flutes, Fine Pitch Flute, 114 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, Cobalt 8M42 HSS, Brightp.