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National Stock Number:
5133-00-239-0783
Federal Supply Class:
5133
National Item Identification Number:
002390783
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:
| B94.2 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | GGG-C-613 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGG-C-613 TY4CLBSZ7/8 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 53.0 ROCKWELL C MAXIMUM | | CUTTING END STYLE | STRAIGHT FLUTE POINT END | | BODY DIAMETER | 0.875 INCHES NOMINAL | | INCLUDED ANGLE | 82.0 DEGREES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SHANK DIAMETER | 0.500 INCHES NOMINAL | | OVERALL LENGTH | 4.250 INCHES NOMINAL | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE QUANTITY | 2 | | SPECIFICATION/STANDARD DATA | 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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