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 6135-00-255-1340
NSN 6130-00-847-8040
NSN 6240-00-078-2360
NSN 6150-01-041-1355
NSN 4140-01-400-3610
NSN 6135-00-027-3914
NSN 5985-00-811-9381
NSN 6150-00-654-8457
NSN 5925-00-983-5666
NSN 6620-01-378-5579
NSN 5915-01-360-3787
NSN 6110-00-464-1912