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 4140-01-508-8594
NSN 6130-01-520-3828
NSN 5910-01-169-3246
NSN 6150-00-086-9952
NSN 5996-01-485-0305
NSN 5915-00-628-8960
NSN 6130-01-206-6763
NSN 5835-01-462-5983
NSN 6135-01-463-2445
NSN 4140-01-379-0247
NSN 4140-00-587-7496
NSN 5925-00-702-1924