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 6240-01-366-2948
NSN 5998-01-249-4488
NSN 5990-01-517-7848
NSN 6650-00-138-8605
NSN 6240-00-357-7976
NSN 6620-01-255-7757
NSN 5985-00-209-9895
NSN 5999-01-391-4996
NSN 5855-00-885-8452
NSN 6620-01-485-0556
NSN 5950-01-322-0292
NSN 5915-01-495-6459