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National Stock Number:
5133-00-595-8255
Federal Supply Class:
5133
National Item Identification Number:
005958255
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:
| 070815 | 18056 | DOALL BALTIMORE COMPANY | | 070815 | 2J314 | DOALL TULSA CO | | 3000-0343 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 46426 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 879-11/32 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC | | 50703 | 42970 | LEAR SIEGLER INC NATIONAL TWIST DRILL AND TOOL DIV |
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