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National Stock Number:
5133-00-511-6751
Federal Supply Class:
5133
National Item Identification Number:
005116751
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:
| PWA4697 | 00198 | PRATT & WHITNEY CANADA CORP | | PWA5914 | 00198 | PRATT & WHITNEY CANADA CORP |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | CUTTING END STYLE | INTERCHANGEABLE PILOT | | SHANK STYLE | STRAIGHT ROUND | | SHANK DIAMETER | 0.370 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | OVERALL LENGTH | 3.375 INCHES NOMINAL | | NOMINAL CUTTING DIAMETER | 0.4800 INCHES | | FLUTE QUANTITY | 4 | | FEATURES PROVIDED | REPLACEABLE PILOT | | PILOT HOLE NOMINAL DIAMETER | 0.382 INCHES |
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