pMorse End Mill, Center Cutting Regular Length Single End, Series 4580, 18 in Cutter Dia, 2516 in Overall Length, 38 in Maximum Depth of Cut, 2 Flutes, Spiral Flute, 38 in Shank Dia, Right Hand Cutting, 30 deg Helix Angle, RoundWeldon Flat Shank, Cobalt 8M42 HSS, Brightp