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 5910-00-584-2647
NSN 6610-01-067-6591
NSN 5999-00-409-5631
NSN 6620-01-448-0572
NSN 5996-00-036-5935
NSN 6105-00-019-3801
NSN 6135-01-492-5717
NSN 6105-01-086-0276
NSN 5998-00-466-2646
NSN 6240-00-104-4662
NSN 5965-00-997-5764
NSN 5835-00-830-6416