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 5935-00-443-1016
NSN 5935-01-502-6275
NSN 5915-01-380-2943
NSN 5990-01-434-7913
NSN 6645-01-436-4542
NSN 6645-00-861-2337
NSN 6620-01-177-1772
NSN 5935-01-077-0559
NSN 5915-01-272-4182
NSN 5990-01-185-2722
NSN 5999-01-492-5183
NSN 5950-00-209-9832