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 5960-01-602-6009
NSN 5935-01-134-8086
NSN 5905-01-534-4711
NSN 6620-01-068-9995
NSN 6150-01-443-5582
NSN 4140-00-361-4691
NSN 6220-01-539-2261
NSN 5920-00-594-3124
NSN 5930-01-323-5875
NSN 5930-01-393-1259
NSN 5960-01-226-7297
NSN 4140-01-344-2674