5305-01-437-5503, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-437-5503

Federal Supply Class:
5305

National Item Identification Number:
014375503

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-M6X1.0X25SHCS,ZNPLATED	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
B1831BH060025N	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	4G6G
FASTENER LENGTH	24.60 MILLIMETERS MINIMUM AND 25.40 MILLIMETERS MAXIMUM
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	9.74 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM
HEAD STYLE	FLAT CHAMFER
HEAD HEIGHT	5.85 MILLIMETERS MINIMUM AND 6.00 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL	STEEL PROPERTY CLASS 12.9 OVERALL
MINIMUM YIELD STRENGTH	1100 MEGAPASCALS
MINIMUM TENSILE STRENGTH	1220 MEGAPASCALS
NOMINAL THREAD DIAMETER	6.0 MILLIMETERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633,TYPE 2,CLASS 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	22.60 MILLIMETERS MINIMUM AND 25.40 MILLIMETERS MAXIMUM
THREAD PITCH IN MILLIMETERS	1.0
THREAD SERIES DESIGNATOR	M
WIDTH ACROSS FLATS	5.020 MILLIMETERS MINIMUM AND 5.084 MILLIMETERS MAXIMUM

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