5305-01-174-4553 SCREW,CAP,SOCKET HEAD Index 5305-01-174-4557 SCREW,CAP,SOCKETHEAD

National Stock Number:
5305-01-174-4554

Federal Supply Class:
5305

National Item Identification Number:
011744554

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:
B1831CH080080N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6H
FASTENER LENGTH80.00 MILLIMETERS NOMINAL
HEAD DIAMETER12.70 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM
HEAD HEIGHT7.83 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
SPECIAL FEATURESFINISH COLOR BLACK
WIDTH ACROSS FLATS6.0 MILLIMETERS NOMINAL
SURFACE TREATMENTOXIDE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH77.50 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.25


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