5305-12-345-8257 SCREW,CAP,SOCKET HEAD Index 5305-12-345-8259 SETSCREW

National Stock Number:
5305-12-345-8258

Federal Supply Class:
5305

National Item Identification Number:
123458258

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:
DIN912-M12X50-10.9-A2PD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6 SMALL G
FASTENER LENGTH50.0 MILLIMETERS NOMINAL
HARDNESS RATING320 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 380 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD DIAMETER18.0 MILLIMETERS NOMINAL
HEAD HEIGHT12.0 MILLIMETERS NOMINAL
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONISO898-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH1040 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
OFFSET YIELD STRENGTH940 NEWTONS PER SQUARE MILLIMETER
PURCHASE DESCRIPTION IDENTIFICATIOND8286-DIN912-M12X50-10.9
WIDTH ACROSS FLATS10.0 MILLIMETERS NOMINAL
STRENGTH GRADE DESIGNATION10.9
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN ISO4042, KEY A2P ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
TEST DATA DOCUMENTD8286-DIN912 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH44.75 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.75


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