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National Stock Number:
5133-00-232-9254
Federal Supply Class:
5133
National Item Identification Number:
002329254
Description:
COUNTERBORE,MACHINE
Detail:
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.
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Manufacturer Information:
| 881 13/16 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 881-13-16 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 881-13-16 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | CUTTING END STYLE | INTERCHANGEABLE PILOT | | SHANK STYLE | STANDARD TAPER-ROUND | | TAPER SHANK SIZE DESIGNATOR | 2 MORSE | | OVERALL LENGTH | 7.500 INCHES NOMINAL | | NOMINAL CUTTING DIAMETER | 0.8120 INCHES | | FLUTE QUANTITY | 3 | | FEATURES PROVIDED | REPLACEABLE PILOT | | PILOT HOLE NOMINAL DIAMETER | 0.250 INCHES |
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