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National Stock Number:
5133-00-293-2297
Federal Supply Class:
5133
National Item Identification Number:
002932297
Description:
COUNTERSINK
Detail:
AN ANGULAR CUTTING TOOL, USUALLY MADE WITH ANGULAR RELIEF, HAVING ONE OR MORE FLUTES WITH SPECIFIC SIZE ANGLE CUTTING EDGES. IT IS USED FOR CHAMFERING AND COUNTERSINKING HOLES. THE TOOL MAY HAVE A STRAIGHT SHANK, TAPERED SHANK, BIT STOCK SHANK OR SPECIAL SHANK REQUIRING A SPECIAL HOLDER, FOR HOLDING IN A POWER- OR HAND-OPERATED MACHINE. IT MAY BE DESIGNED TO BE DRIVEN OR TURNED BY MEANS OF A WRENCH OR CARPENTER'S BRACE. FOR ITEMS REQUIRING A HOLDER BUT THE HOLDER IS NOT INCLUDED, USE CUTTER, COUNTERSINK.
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Manufacturer Information:
| GGGC613 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BODY DIAMETER | 0.500 INCHES NOMINAL | | CUTTING END STYLE | ROSE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | DEPARTURE FROM CITED DESIGNATOR | AS MOD BY MATERIAL AND BODY DIA | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | INCLUDED ANGLE | 81.5 DEGREES NOMINAL | | MATERIAL | STEEL OVERALL | | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND B CLASS AND 1/2 SIZE | | OVERALL LENGTH | 3.000 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | SHANK LARGE END SQUARE WIDTH | 0.312 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SHANK SMALL END SQUARE WIDTH | 0.156 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | SHANK STYLE | TAPER-SQUARE |
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