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 5975-00-283-6686
NSN 5910-00-948-7725
NSN 6685-00-501-6501
NSN 6240-01-437-8991
NSN 5905-01-016-7812
NSN 5950-01-519-3948
NSN 4140-01-316-9413
NSN 5999-01-372-9936
NSN 5835-00-946-2656
NSN 5945-01-564-0811
NSN 6240-01-512-8129
NSN 6320-01-552-8721