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 6145-01-618-2500
NSN 5990-01-148-4489
NSN 6645-01-561-8760
NSN 5920-01-178-4401
NSN 5930-01-068-3641
NSN 5985-01-287-7911
NSN 5910-01-500-9300
NSN 5945-00-960-3896
NSN 5945-01-048-9016
NSN 5999-00-189-8191
NSN 5920-00-998-5958
NSN 7035-01-072-1580