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 6220-00-118-3358
NSN 5930-00-581-8485
NSN 6110-01-442-8080
NSN 6320-01-489-6044
NSN 5965-01-147-5847
NSN 6320-00-295-2854
NSN 5996-00-178-1016
NSN 6240-01-604-9172
NSN 4140-01-557-5790
NSN 6610-01-516-7278
NSN 5990-00-953-9916
NSN 5965-01-129-6501