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National Stock Number:
5133-01-413-2219
Federal Supply Class:
5133
National Item Identification Number:
014132219
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:
| 10M20-253 | 76301 | THE BOEING COMPANY | | SPT75D111330-5001TD | 76301 | THE BOEING COMPANY |
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