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 5990-01-408-6554
NSN 5965-01-177-3171
NSN 5965-01-037-6807
NSN 6620-01-091-9697
NSN 5945-01-442-4804
NSN 6130-00-424-7085
NSN 5945-00-513-6096
NSN 5920-01-177-5690
NSN 5975-01-441-8386
NSN 5855-01-147-6024
NSN 6220-01-302-9722
NSN 6645-01-370-4259