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National Stock Number:
5133-00-430-3299
Federal Supply Class:
5133
National Item Identification Number:
004303299
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:
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Techincal Specification:
| BODY DIAMETER | 0.375 INCHES NOMINAL | | CUTTING END STYLE | STRAIGHT FLUTE W/THROUGH HOLE | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FEATURES PROVIDED | REPLACEABLE PILOT | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | INCLUDED ANGLE | 160.0 DEGREES NOMINAL | | OVERALL LENGTH | 1.475 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | PILOT DIAMETER | 0.157 INCHES NOMINAL | | PILOT HOLE NOMINAL DIAMETER | 0.158 INCHES | | POINT DIAMETER | 0.157 INCHES NOMINAL | | SPECIAL FEATURES | DRILL TYPE PILOT NOM DRILLING DEPTH 1/4 IN. |
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