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 6320-01-322-8340
NSN 5835-01-564-5575
NSN 6135-00-477-8847
NSN 2925-01-412-9520
NSN 5915-01-356-3364
NSN 5920-01-660-7286
NSN 6130-00-954-6479
NSN 6620-01-255-7757
NSN 6105-01-342-5152
NSN 6320-00-994-0179
NSN 5960-01-044-4902
NSN 5925-01-244-0480