5305-01-557-0247 SCREW,CAP,SOCKET HEAD Index 5305-01-554-6836 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-557-1032

Federal Supply Class:
5305

National Item Identification Number:
015571032

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
B1834B06010N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS4G6G
FASTENER LENGTH20.0 MILLIMETERS NOMINAL
HEAD DIAMETER10.1 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM
HEAD HEIGHT3.0 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER6.0 MILLIMETERS
WIDTH ACROSS FLATS4.0 MILLIMETERS NOMINAL
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.0


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