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National Stock Number:
5133-00-412-1752
Federal Supply Class:
5133
National Item Identification Number:
004121752
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:
| AT488-13 | 00784 | SNAP-ON INCORPORATED DBA SNAP-ON TOOLS DIV SNAP-ON INDUSTRIAL SPECIAL PRODUCTS DIVISION | | AT488-13 | 55719 | IDSC HOLDINGS LLC | | CA4015 5-8 | 86038 | CALIFORNIA AIRCRAFT TOOL CO | | CA4015 5/8 | 86038 | CALIFORNIA AIRCRAFT TOOL CO |
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Techincal Specification:
| CUTTING END STYLE | INTERCHANGEABLE PILOT | | FEATURES PROVIDED | REPLACEABLE PILOT | | FLUTE QUANTITY | 4 | | OVERALL LENGTH | 2.812 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.6250 INCHES | | SHANK DIAMETER | 0.250 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | PILOT HOLE NOMINAL DIAMETER | 0.156 INCHES |
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