The detachable portion of a machine counterbore which includes the cutting edges and a special shank. The special shank is designed to accommodate a special holder. The cutter may have an integral pilot or be designed for an interchangeable pilot, which may or may not be included. For items with special holder included, use counterbore, machine.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 6145-00-565-9560
NSN 5985-00-839-3939
NSN 5996-01-159-9089
NSN 5950-01-520-3732
NSN 5975-00-788-7225
NSN 5915-00-331-3198
NSN 5945-01-462-1555
NSN 6610-01-620-2303
NSN 5855-00-100-9003
NSN 6610-01-142-8958
NSN 6220-01-634-0660
NSN 6135-01-193-3892