5306-01-023-2426 BOLT,MACHINE Index 5305-01-023-2428 SCREW,TAPPING

National Stock Number:
5305-01-023-2427

Federal Supply Class:
5305

National Item Identification Number:
010232427

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:
FF-S-10781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
COUNTERSINK ANGLE81.0 DEGREES NOMINAL
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL AND INTERNAL DRIVE
FASTENER LENGTH0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
HEAD DIAMETER0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL COMP 304 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION66 FED STD SINGLE TREATMENT RESPONSE OR AISI ASSN STD ALL TREATMENT RESPONSES OR SAE ASSN STD ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL


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