High speed steel; size no. 21 pilot
No other part numbers with same form, fit, and function found.
The detachable portion of a machine countersink which includes the cutting edge, having various size cutting angles 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 countersink.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5925-00-491-4573
NSN 5996-01-589-7279
NSN 5925-00-859-7942
NSN 5915-00-187-2053
NSN 6645-01-313-1215
NSN 6220-01-223-9149
NSN 5985-01-563-0766
NSN 7035-00-870-0290
NSN 5905-00-411-8813
NSN 5965-01-415-1210
NSN 5975-00-232-1785
NSN 5910-01-528-6226