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National Stock Number:
5133-01-133-4576
Federal Supply Class:
5133
National Item Identification Number:
011334576
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:
| 23003606 | 63005 | ROLLS-ROYCE CORPORATION | | 23003606 | 73342 | ALLISON TRANSMISSION INC |
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Techincal Specification:
| CUTTING END STYLE | SOLID | | FEATURES PROVIDED | REPLACEABLE PILOT | | MATERIAL | STEEL OVERALL | | PILOT DIAMETER | 0.288 INCHES MINIMUM AND 0.289 INCHES MAXIMUM | | SHANK DIAMETER | 0.6672 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND |
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