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National Stock Number:
5133-01-266-1929
Federal Supply Class:
5133
National Item Identification Number:
012661929
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:
| SPT21-74D110174-5001TD | 76301 | THE BOEING COMPANY | | TF02150-1 | Z5338 | DEPT OF DEFENCE (AIR OFFICE)TACTICALFIGHTER SYSTEMS PROGRAMOFFICE (TFSPO) |
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Techincal Specification:
| CUTTING END STYLE | SOLID | | FEATURES PROVIDED | INTEGRAL PILOT | | FLUTE QUANTITY | 4 | | OVERALL LENGTH | 1.800 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.6179 INCHES | | PILOT DIAMETER | 0.499 INCHES NOMINAL | | SHANK STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
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