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 5935-01-579-8370
NSN 6610-00-322-9686
NSN 6240-01-044-0073
NSN 6650-01-047-9642
NSN 5985-01-506-2121
NSN 6135-01-167-0759
NSN 4140-00-150-8265
NSN 2925-00-149-0760
NSN 2925-01-615-1311
NSN 2925-01-386-7392
NSN 4140-00-547-8918
NSN 4140-00-699-0904