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 5905-01-397-9853
NSN 6150-01-205-0566
NSN 5855-01-560-1022
NSN 5998-00-957-7909
NSN 7035-00-946-2642
NSN 4140-01-399-8527
NSN 5835-00-289-9080
NSN 6320-01-567-9792
NSN 5998-01-081-7031
NSN 5945-01-396-0626
NSN 6135-01-435-5558
NSN 6650-01-559-3862