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 5925-01-443-8590
NSN 5930-01-007-6164
NSN 5835-01-466-5496
NSN 6220-01-055-3992
NSN 6685-01-588-4494
NSN 5960-01-550-8038
NSN 5960-01-092-1234
NSN 6145-01-486-1913
NSN 5925-00-830-8148
NSN 5835-00-838-0707
NSN 5835-01-307-2009
NSN 5935-01-577-0105