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 5895-01-236-9808
NSN 6320-00-422-1773
NSN 5925-00-946-9423
NSN 6650-00-129-9138
NSN 6150-01-020-4886
NSN 5960-01-248-1105
NSN 5990-01-210-5474
NSN 5915-01-210-9132
NSN 4140-01-118-8918
NSN 6645-01-152-5207
NSN 7035-01-550-0439
NSN 6130-01-103-8480