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 6130-01-317-5888
NSN 5960-00-250-7942
NSN 5920-01-371-2869
NSN 6110-01-633-9660
NSN 5996-00-438-7532
NSN 5945-01-648-8528
NSN 6645-00-875-0772
NSN 6135-01-290-1594
NSN 5985-01-618-5823
NSN 5935-01-011-3234
NSN 5915-00-851-4270
NSN 6105-01-082-6281