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National Stock Number:
5305-01-590-1053
Federal Supply Class:
5305
National Item Identification Number:
015901053
Description:
SCREW,TAPPING
Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.
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Manufacturer Information:
| 90055A294 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.400 INCHES NOMINAL | | HARDNESS RATING | 33.0 ROCKWELL C NOMINAL OVERALL | | HEAD DIAMETER | 0.312 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE III | | MATERIAL | STEEL OVERALL | | NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES | | NONMACHINE THREAD STYLE | WOOD SCREW (TYPE WD) | | SURFACE TREATMENT | ZINC OVERALL |
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