5305-00-637-4520 SCREW,TAPPING Index 5305-00-637-4522 SCREW,TAPPING

National Stock Number:
5305-00-637-4521

Federal Supply Class:
5305

National Item Identification Number:
006374521

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.


Manufacturer Information:
600542S125HILLMAN GROUP INC THE
ANSI B18.6.480204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-S-10781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
FASTENER LENGTH0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
FEATURES PROVIDEDCASEHARDENED
HEAD HEIGHT0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM
HEAD DIAMETER0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.151 INCHES
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM-B633 FED SPEC 1ST TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL


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