5/16″ 4 FLUTE COBALT ROUGHING END MILL

Cobalt Roughing End Mill, 5/16″ Mill Diameter, 3/8″ Weldon Shank, 3/4″ Flute Length, 2-1/2″ Overall Length, M42 Cobalt High Speed Steel, 4 Flutes, Coarse Pitch, Single End, 30° Right Hand Helix, Right Hand Cut, Sinusoidal Tooth Form, 1 per Pack