5305-01-300-6262, SCREW,CAP,SOCKET 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-M8X1.25X20SHCSZNPLATE	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
B1831AH080020N	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	4G6G
FASTENER LENGTH	1.60 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	12.70 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM
HEAD HEIGHT	7.83 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL	STEEL PROPERTY CLASS 12.9 OVERALL
MINIMUM TENSILE STRENGTH	1220 MEGAPASCALS
MINIMUM YIELD STRENGTH	1100 MEGAPASCALS
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS
WIDTH ACROSS FLATS	6.020 MILLIMETERS MINIMUM AND 6.095 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	17.10 MILLIMETERS MINIMUM AND 20.40 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	1.25

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