5305-01-559-7741, SCREW,CAP,SOCKET HEAD

2010-01-559-7740 TRANSMISSION,MECHANICAL,MARINE

National Stock Number:
5305-01-559-7741

Federal Supply Class:
5305

National Item Identification Number:
015597741

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:

B1831BH080045N

80204

AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED

Techincal Specification:

THREAD SERIES DESIGNATOR	M
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS	1.25
EXTERNAL THREAD TOLERANCE CLASS	4G6G
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	10.7 MILLIMETERS MINIMUM AND
	17.0 MILLIMETERS MAXIMUM
FASTENER LENGTH	44.6 MILLIMETERS MINIMUM AND
	45.4 MILLIMETERS MAXIMUM
MATERIAL	STEEL PROPERTY CLASS 12.9 OVERALL
SURFACE TREATMENT	ZINC AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTMB633,TYP2CL3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND
	44.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	1220 MEGAPASCALS
MINIMUM YIELD STRENGTH	1100 MEGAPASCALS
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	12.70 MILLIMETERS MINIMUM AND
	13.00 MILLIMETERS MAXIMUM
HEAD HEIGHT	7.83 MILLIMETERS MINIMUM AND
	8.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	6.02 MILLIMETERS MINIMUM AND
	6.09 MILLIMETERS MAXIMUM

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