5-1/2″ SHELL 16 FLUTE ROUGHING END MILL

Cobalt Roughing Shell Type End Mill, 5-1/2″ Cutter Diameter, 2-1/4″ Length of Cut, 2″ Hole of Cut, M42 Cobalt High Speed Steel, 16 Flutes, Coarse Pitch, 20° Right Hand Helix, Right Hand Cut, Sinusoidal Tooth Form, 1 per Pack