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National Stock Number:
5133-00-293-2302
Federal Supply Class:
5133
National Item Identification Number:
002932302
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:
| 6028B | 53508 | LEARJET INC | | MIL-H-4081 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MILH4081 | 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 | | CUTTING END STYLE | STRAIGHT FLUTE BLUNT END | | POINT DIAMETER | 0.250 INCHES NOMINAL | | BODY DIAMETER | 0.875 INCHES NOMINAL | | INCLUDED ANGLE | 115.0 DEGREES NOMINAL | | SHANK STYLE | STANDARD TAPER-ROUND | | TAPER SHANK SIZE DESIGNATOR | 2 JARNO | | FLUTE QUANTITY | 3 | | FEATURES PROVIDED | INTEGRAL PILOT | | PILOT DIAMETER | 0.250 INCHES NOMINAL | | NONDEFINITIVE SPEC/STD DATA | 1 CLASS | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY BODY DIA AND FLUTE QTY | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-H-4081 |
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