pMorse Roughing End Mill, Center Cutting MediumLong Length, Series 4612T, 114 in Cutter Dia, 512 in Overall Length, 3 in Maximum Depth of Cut, 6 Flutes, Coarse Pitch Flute, 114 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, Cobalt 8M42 HSS, TiALN Coatedp.