5305-99-255-2762, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-99-255-2762

Federal Supply Class:
5305

National Item Identification Number:
992552762

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:

BS4168:PART 8-M10X20-12.9	K7766	BRITISH STANDARDS INSTITUTION
BSENISO10642	K7766	BRITISH STANDARDS INSTITUTION
ISO10642-M10X20-12.9	I9008	INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)
ND2915	K0824	PEARSON ENGINEERING LIMITED

Techincal Specification:

COUNTERSINK ANGLE	90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS	5G6G
FASTENER LENGTH	19.58 MILLIMETERS MINIMUM AND 20.42 MILLIMETERS MAXIMUM
HARDNESS RATING	353.0 BRINELL STANDARD MINIMUM AND 412.0 BRINELL STANDARD MAXIMUM OVERALL
HEAD DIAMETER	19.67 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	BS 6104 PART 1 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	10.00 MILLIMETERS
SPECIAL FEATURES	STRENGTH GRADE 12.9
WIDTH ACROSS FLATS	6.020 MILLIMETERS MINIMUM AND 6.095 MILLIMETERS MAXIMUM
SURFACE TREATMENT	ZINC OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	13.80 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	ISO M
THREAD PITCH IN MILLIMETERS	1.50

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