5305-01-559-7741 SCREW,CAP,SOCKET HEAD Index 7021-01-559-7743 COMPUTER,DIGITAL

National Stock Number:
5305-01-559-7742

Federal Supply Class:
5305

National Item Identification Number:
015597742

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:
B1831BH060012N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER6.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.0
EXTERNAL THREAD TOLERANCE CLASS4G6G
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH9.70 MILLIMETERS MINIMUM AND
12.30 MILLIMETERS MAXIMUM
FASTENER LENGTH11.70 MILLIMETERS MINIMUM AND
12.30 MILLIMETERS MAXIMUM
MATERIALSTEEL PROPERTY CLASS 12.9 OVERALL
SURFACE TREATMENTZINC AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMB633, TYPE 2, CLASS3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
44.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH1220 MEGAPASCALS
MINIMUM YIELD STRENGTH1100 MEGAPASCALS
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER9.74 MILLIMETERS MINIMUM AND
10.00 MILLIMETERS MAXIMUM
HEAD HEIGHT5.85 MILLIMETERS MINIMUM AND
6.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS5.020 MILLIMETERS MINIMUM AND
5.084 MILLIMETERS MAXIMUM


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