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 5905-01-324-7992
NSN 5999-00-440-0285
NSN 4140-00-354-0400
NSN 6145-00-493-8992
NSN 6110-01-226-8139
NSN 5950-01-359-1997
NSN 5920-00-175-4577
NSN 6320-01-171-3238
NSN 5965-01-611-0131
NSN 5905-01-347-1040
NSN 5855-01-259-0995
NSN 5855-01-483-2774