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 6105-01-605-9968
NSN 6145-01-365-7801
NSN 5975-01-371-0217
NSN 6645-00-498-6869
NSN 5990-00-315-5955
NSN 6650-00-162-0951
NSN 5998-01-644-3063
NSN 5905-01-309-2360
NSN 5975-01-201-4108
NSN 6130-01-346-4430
NSN 5950-00-981-5064
NSN 6240-01-435-6505