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National Stock Number:
5133-00-243-2305
Federal Supply Class:
5133
National Item Identification Number:
002432305
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:
| 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 | SPIRAL FLUTE POINT END | | BODY DIAMETER | 0.437 INCHES NOMINAL | | INCLUDED ANGLE | 115.0 DEGREES NOMINAL | | SHANK STYLE | STANDARD TAPER-ROUND | | TAPER SHANK SIZE DESIGNATOR | 2 JARNO | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE QUANTITY | 2 | | FEATURES PROVIDED | INTEGRAL PILOT | | PILOT DIAMETER | 0.155 INCHES MINIMUM AND | | 0.156 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-H-4081 |
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