Center Drill & Chamfering Tool Features include... 118° Point Angle 5/8" Shank 4 1/2" Overall Length 5/8" Max Diameter Multi purpose indexable carbide tool designed for center drilling, bore and corner chamfering, and v-grooving with one tool. High accuracy and no cutting vibration is assured. Possible to make centering and chamfering at same center. Excellent for CNC machines.