pMorse Single End Mill, Ball Nose Center Cutting Miniature Regular Length, Series 5919T, 0062 in Cutter Dia, 112 in Overall Length, 0186 in Maximum Depth of Cut, 4 Flutes, Helix Flute, 18 in Shank Dia, 30 deg Helix Angle, Micrograin Solid Carbide, AlTiN Coatedp