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National Stock Number:
5133-01-295-5064
Federal Supply Class:
5133
National Item Identification Number:
012955064
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:
| 46896 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 884 9/16 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | C46896 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
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Techincal Specification:
| CUTTING END STYLE | INTERCHANGEABLE PILOT | | FEATURES PROVIDED | REPLACEABLE PILOT | | FLUTE QUANTITY | 4 | | OVERALL LENGTH | 2.812 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.5620 INCHES | | PILOT HOLE NOMINAL DIAMETER | 0.125 INCHES | | PILOT DIAMETER | 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | SHANK DIAMETER | 0.250 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND |
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