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 6685-01-237-2562
NSN 2925-01-327-3069
NSN 5975-01-485-2385
NSN 5930-00-726-6443
NSN 5895-01-136-5979
NSN 6145-01-027-5432
NSN 5910-01-171-7076
NSN 7035-00-455-7666
NSN 6240-01-265-6958
NSN 5999-00-075-6495
NSN 4140-01-423-6219
NSN 5835-00-106-2120