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 6110-00-891-9917
NSN 5925-01-612-1853
NSN 5925-00-066-1271
NSN 5910-00-346-5916
NSN 5990-01-421-3325
NSN 5950-00-394-1546
NSN 4140-01-411-6666
NSN 6645-01-166-3788
NSN 4140-00-689-3473
NSN 6150-01-090-0720
NSN 5835-01-224-2792
NSN 2925-01-532-0781