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 6220-00-660-5539
NSN 5950-01-250-6977
NSN 5855-00-482-9876
NSN 5920-01-284-1786
NSN 5985-00-521-4292
NSN 5990-01-054-4255
NSN 6110-00-589-3134
NSN 5945-01-647-7473
NSN 6220-00-361-8338
NSN 5835-01-026-0670
NSN 5990-01-437-4876
NSN 5915-01-594-3616