9902977

CSD04-C COBALT COMBINED DRILL & COUNTERSINK, OD .453, OAL 2.500, DRILL DIA .228, DRILL LENGTH .437, POINT 135°, NO-FLUTE DEBURR INTEGRATED INTO 82° ANGLE, M-42 HSS, TA-C COATING, DESIGNED FOR HIGH RPM RHINO FAB CNC MACHINE, PATENT DESIGN