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 5998-01-642-4116
NSN 5965-01-592-9595
NSN 6110-01-227-2617
NSN 4140-01-336-0043
NSN 5910-01-529-4818
NSN 6110-01-465-6522
NSN 6645-01-515-9951
NSN 5925-01-287-4809
NSN 6220-01-242-0046
NSN 5960-01-474-4843
NSN 6620-01-397-8683
NSN 5835-01-457-7951