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 6145-01-281-7222
NSN 5925-01-063-3029
NSN 5855-00-688-9954
NSN 6685-00-168-4416
NSN 5920-01-429-9947
NSN 2925-01-197-7864
NSN 5925-01-388-2763
NSN 5965-01-432-7134
NSN 6135-01-193-8154
NSN 5990-01-045-2129
NSN 5915-01-074-2008
NSN 7035-01-616-5972