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 5950-01-377-1143
NSN 5920-01-409-1161
NSN 5925-00-929-7439
NSN 5990-01-421-3325
NSN 5905-00-729-5004
NSN 5996-00-916-0149
NSN 5930-01-560-8251
NSN 5950-01-178-8243
NSN 6130-01-442-7499
NSN 5930-01-154-9862
NSN 2925-01-376-9236
NSN 5935-01-184-2897