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National Stock Number:
5133-00-247-1256
Federal Supply Class:
5133
National Item Identification Number:
002471256
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 TY5SZ11 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE |
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Techincal Specification:
| BODY DIAMETER | 1.188 INCHES NOMINAL | | CUTTING END STYLE | SPIRAL FLUTE BLUNT END | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | INCLUDED ANGLE | 90.0 DEGREES NOMINAL | | MATERIAL | STEEL OVERALL | | NONDEFINITIVE SPEC/STD DATA | 5 TYPE AND 11 SIZE | | OVERALL LENGTH | 5.875 INCHES NOMINAL | | POINT DIAMETER | 0.219 INCHES NOMINAL | | SHANK STYLE | STANDARD TAPER W/TANG | | TAPER SHANK SIZE DESIGNATOR | 2 MORSE |
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