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 4140-00-419-6174
NSN 5905-01-143-9886
NSN 7035-01-403-2841
NSN 6135-00-990-1822
NSN 4140-00-580-8508
NSN 6220-01-353-0835
NSN 5895-00-778-2946
NSN 6240-01-278-5342
NSN 5855-00-149-0766
NSN 5915-01-352-8951
NSN 5910-01-090-3068
NSN 5855-00-433-2377