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National Stock Number:
5133-01-371-1823
Federal Supply Class:
5133
National Item Identification Number:
013711823
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:
| 166B300-158B5 | 98897 | LOCKHEED MARTIN CORP | | 166C011-158B5 | 01713 | ALVORD-POLK, INC. | | 166C011-158B5 | 75781 | ADEPT FASTENERS, INC. |
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Techincal Specification:
| BODY DIAMETER | 0.375 INCHES NOMINAL | | CUTTING END STYLE | STRAIGHT FLUTE BLUNT END | | FEATURES PROVIDED | INTEGRAL PILOT | | FLUTE QUANTITY | 3 | | INCLUDED ANGLE | 100.0 DEGREES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | POINT DIAMETER | 0.158 INCHES NOMINAL | | SHANK STYLE | EXTERNALLY THREADED | | SPECIAL FEATURES | HIGH SPEED STEEL,PIN SIZE 5/32IN.; BASIC SIZE; B-FIT HOLE; FOR HI-TIGUE OR HI-LOK 5HTB | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY | 28 PER INCH |
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