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National Stock Number:
5133-00-062-5295
Federal Supply Class:
5133
National Item Identification Number:
000625295
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:
| 6016B1-2-100-21 | 53508 | LEARJET INC | | A-A-58076 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MIL-H-4081 CL2SZJSTA | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | | MIL-H-4081 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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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 BLUNT END | | POINT DIAMETER | 0.159 INCHES NOMINAL | | BODY DIAMETER | 0.375 INCHES NOMINAL | | INCLUDED ANGLE | 100.0 DEGREES NOMINAL | | SHANK STYLE | EXTERNALLY THREADED | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY | 28 PER INCH | | OVERALL LENGTH | 1.250 INCHES NOMINAL | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE QUANTITY | 4 | | FEATURES PROVIDED | INTEGRAL PILOT | | PILOT DIAMETER | 0.159 INCHES NOMINAL | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 58536 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | A-A-58076 |
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