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 5895-01-175-9859
NSN 6145-01-591-4161
NSN 5960-01-243-0007
NSN 6110-00-412-7960
NSN 6685-00-860-2232
NSN 5950-01-398-9557
NSN 5999-01-526-8247
NSN 5920-01-065-1824
NSN 6320-00-004-9158
NSN 5925-01-330-3175
NSN 6645-01-542-6159
NSN 6220-01-200-8051