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 6105-00-146-9946
NSN 6150-01-444-3980
NSN 5910-01-571-5685
NSN 5990-01-088-5293
NSN 6645-01-417-4332
NSN 5996-01-069-2915
NSN 5999-00-089-7316
NSN 5965-00-665-2156
NSN 6620-00-456-0404
NSN 6320-00-908-6841
NSN 4140-01-211-0957
NSN 6135-01-186-4010