Description:

0.631 inches pilot diameter, standard taper-round shank style, 8.625 inches overall length, solid cutting end style, 0.9150 inches nominal cutting diameter.

Special Features:

45 degree chamfered counterbore

Properties:

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.