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National Stock Number:
5133-01-083-6596
Federal Supply Class:
5133
National Item Identification Number:
010836596
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:
| GGG-C-613 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | GGG-C-613 TYVI | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | GGG-C-613 FED SPEC ALL MATERIAL RESPONSES OVERALL | | HARDNESS RATING | 62.0 ROCKWELL C MINIMUM AND | | 65.0 ROCKWELL C MAXIMUM | | CUTTING END STYLE | STRAIGHT FLUTE BLUNT END | | POINT DIAMETER | 0.245 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | BODY DIAMETER | 0.407 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | | INCLUDED ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | SHANK STYLE | EXTERNALLY THREADED | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY | 28 PER INCH | | THREAD CLASS | 3A | | THREAD PITCH DIAMETERS | 0.2243 TO 0.2268 INCHES | | THREAD DIRECTION | LEFT-HAND | | OVERALL LENGTH | 2.000 INCHES NOMINAL | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE QUANTITY | 2 | | FEATURES PROVIDED | INTEGRAL PILOT | | PILOT DIAMETER | 0.245 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY PILOT DIAMETER | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-C-613 |
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