pMorse End Mill, Center Cutting Single End Square End Stub Length, Series 5975T, 364 in Cutter Dia, 112 in Overall Length, 332 in Maximum Depth of Cut, 4 Flutes, 18 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, PlainRound Shank, Solid Micrograin Carbide, TiALN Coatedp.