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 5960-00-525-1898
NSN 6645-01-500-0827
NSN 5996-01-597-4912
NSN 6685-00-684-7891
NSN 6685-00-186-9190
NSN 6145-01-142-5732
NSN 5945-01-389-1895
NSN 5895-01-580-2124
NSN 5965-01-258-5662
NSN 6650-01-309-5349
NSN 5935-00-125-2449
NSN 6650-01-060-7441