NSN 5133-01-217-8262

Part Details | MACHINE COUNTERBORE

5133-01-217-8262 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.

Alternate Parts: RCC21201, RC-C21-201, 23008734, 5133-01-217-8262, 01-217-8262, 5133012178262, 012178262

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
51OCT 04, 198501-217-826205259 ( COUNTERBORE, MACHINE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT ROUND

DOUBLE TWIST W/SCREW POINT

Cross Reference | NSN 5133-01-217-8262
Part Number Cage Code Manufacturer
RC-C21-20183324ARCONIC GLOBAL FASTENERS & RINGS,INC.
2300873463005ROLLS-ROYCE CORPORATION
Technical Data | NSN 5133-01-217-8262
Characteristic Specifications
CUTTING END STYLE1 DOUBLE TWIST W/SCREW POINT
SHANK STYLE STRAIGHT ROUND
SHANK DIAMETER0.500 INCHES NOMINAL
OVERALL LENGTH2.560 INCHES NOMINAL
NOMINAL CUTTING DIAMETER0.3280 INCHES
FLUTE QUANTITY4
PILOT DIAMETER0.200 INCHES NOMINAL
SPECIAL FEATURES45 DEG.,CHAMFERED COUNTERBORE