Part Details | MACHINE COUNTERBORE
5133-01-372-9850 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: 46498, 878 114, 878 1-1/4, C46498, 5133-01-372-9850, 01-372-9850, 5133013729850, 013729850
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
51 | MAR 24, 1993 | 01-372-9850 | 05259 ( COUNTERBORE, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
STANDARD TAPER W/TANG

DOUBLE TWIST W/SCREW POINT

Cross Reference | NSN 5133-01-372-9850
Part Number | Cage Code | Manufacturer |
---|---|---|
46498 | 13130 | CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC |
878 1-1/4 | 13130 | CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC |
C46498 | 1NEX4 | KENNAMETAL INC.DIV KENNAMETAL INDUSTRIAL PRODUCTS |
Technical Data | NSN 5133-01-372-9850
Characteristic | Specifications |
---|---|
CUTTING END STYLE | DOUBLE TWIST W/SCREW POINT |
SHANK STYLE | STANDARD TAPER W/TANG |
TAPER SHANK SIZE DESIGNATOR | 3 MORSE |
OVERALL LENGTH | 6.625 INCHES NOMINAL |
NOMINAL CUTTING DIAMETER | 1.2500 INCHES |
FLUTE QUANTITY | 5 |
FEATURES PROVIDED | REPLACEABLE PILOT |
PILOT HOLE NOMINAL DIAMETER | 0.375 INCHES |
PILOT DIAMETER | 0.438 INCHES MINIMUM AND 1.188 INCHES MAXIMUM |