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National Stock Number:
5305-01-470-7020
Federal Supply Class:
5305
National Item Identification Number:
014707020
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:
| 1217031-201 | 56232 | LOCKHEED MARTIN CORPORATION | | 3153407 | 30323 | ILLINOIS TOOL WORKS INC | | 3153407 | 83910 | ILLINOIS TOOL WORKS INC BUILDEX DIV |
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Techincal Specification:
| NONMACHINE THREAD STYLE | CONE POINT (TYPE BP) | | NONMACHINE NOMINAL THREAD DIAMETER | 0.260 INCHES | | FASTENER LENGTH | 1.2032 INCHES MINIMUM AND | | 1.2968 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1022 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | CHAMFER FLANGE | | HEAD HEIGHT | 0.170 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.398 INCHES MINIMUM AND | | 0.432 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | SPECIAL FEATURES | ITEM IS A SELF-TAPPING, REMOVABLE, CONCRETE ANCHOR WITH A SPECIALLY DESIGNED TWO LEAD THREAD, TWO THREADS OF UNEQUAL SIZE, LARGER DIAMETER THREAD IS NOTCHED AT INTERVALS ALONG ITS LENGTH TO FACILITATE TAPPING INTO MASONRY MATERIALS; A SPECIALLY-SIZED CARBIDE-TIPPED DRILL BIT IS SUPLIED WITH EACH BOX OF ANCHORS FOR HOLE PREPARATION; INSTALLATION HOLE SHOULDBE DRILLED TO NOT LESS THAN ONE-QUARTER INCH DEEPER THAN THE ANCHOR PENETRATION INTO THE MASONRY; THE FINISH HAS A PROPRIETARY SYNTHETIC POLYMER COATING; THE END ITEM IDENTIFICATION IS THE NEXT GENERATION RADAR (NEXRAD), WHICH IS USED BY THE NATIONAL WEATHER SERVICE (NWS) |
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