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National Stock Number:
5133-01-368-4625
Federal Supply Class:
5133
National Item Identification Number:
013684625
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:
| T.F.I.M. 25.0120-257 | 76301 | THE BOEING COMPANY | | TFIM225.0120.257 | 76301 | THE BOEING COMPANY | | TFIM25.0120-257 | 1Y4A4 | J&S TOOL, INC. | | TFIM25.0120-257 | 76301 | THE BOEING COMPANY | | TFIM25-0120257 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BODY DIAMETER | 0.625 INCHES NOMINAL | | FEATURES PROVIDED | INTEGRAL PILOT | | FLUTE QUANTITY | 1 | | MATERIAL | STEEL OVERALL | | PILOT DIAMETER | 0.257 INCHES NOMINAL | | SHANK STYLE | EXTERNALLY THREADED | | SPECIAL FEATURES | TYPE L; MICRO-STOP STYLE; CARBIDE INSERT; MALE THREADED SHANK; 0.34 IN. PILOT LENGTH |
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