99-SP-2529

CSD06-A COBALT COMBINED DRILL & COUNTERSINK,OD .563, OAL 3.500, DRILL DIA .250, 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