9530-01-300-6261 BAR,METAL Index 5305-01-300-6263 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-300-6262

Federal Supply Class:
5305

National Item Identification Number:
013006262

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:
B18.3.1M-M8X1.25X20SHCSZNPLATE80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
B1831AH080020N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS4G6G
FASTENER LENGTH1.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
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 PROPERTY CLASS 12.9 OVERALL
MINIMUM TENSILE STRENGTH1220 MEGAPASCALS
MINIMUM YIELD STRENGTH1100 MEGAPASCALS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH ACROSS FLATS6.020 MILLIMETERS MINIMUM AND 6.095 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH17.10 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.25


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