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 6620-01-206-5748
NSN 6685-00-103-2854
NSN 6685-00-738-9567
NSN 6130-00-168-6185
NSN 6620-01-397-4131
NSN 5999-01-032-4340
NSN 5855-00-999-1419
NSN 5960-00-254-4271
NSN 5945-01-297-6976
NSN 6610-01-037-4392
NSN 6650-00-276-9838
NSN 4140-01-269-3304