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 5910-01-196-6153
NSN 6610-00-506-0654
NSN 5985-01-634-0635
NSN 6135-00-422-3967
NSN 5985-01-642-5657
NSN 6610-00-809-0978
NSN 5985-01-172-6479
NSN 6110-01-125-4903
NSN 2925-01-497-1364
NSN 5945-00-726-5021
NSN 6320-00-242-3300
NSN 5965-01-619-3175