An end cutting tool having two or more cutting edges with flutes or grooves for the passage of cuttings, an integral or removable holder designed for adaption to the end of a machine spindle. The flutes or grooves are usually helical to give a positive rake at the cutting edges. It is designed to form a flat-bottomed enlargement of the mouth of a previously formed cylindrical hole. For items requiring a holder but the holder is not included, use cutter, counterbore.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5835-01-209-6410
NSN 5965-00-170-5254
NSN 5996-01-501-4462
NSN 4140-01-050-8096
NSN 6110-01-013-9313
NSN 6145-01-186-7194
NSN 4140-01-338-5087
NSN 5920-01-198-3602
NSN 6145-01-371-9575
NSN 6685-01-341-3934
NSN 5920-00-113-6041
NSN 6110-01-290-1652