5305-12-181-8161 SCREW,CAP,SOCKET HEAD Index 5305-12-181-8168 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-12-181-8164

Federal Supply Class:
5305

National Item Identification Number:
121818164

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
0111 2264D2689DEUTZ AG
1112264D2689DEUTZ AG
1112264EY8820-07D2689DEUTZ AG
DIN933-M6X20-8.8-A4CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN933M6X20-8-8A4CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
DIN933M6X20-8-8ZN12MTCCD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV
M6X20DIN933-8-8A4CD8286DIN DEUTSCHES INSTITUT FUER NORMUNGEV


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6 SMALL G
FASTENER LENGTH20.0 MILLIMETERS NOMINAL
HARDNESS RATING225 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD HEIGHT4.0 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONDINISO898PART1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH800 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER6.0 MILLIMETERS
OFFSET YIELD STRENGTH640 NEWTONS PER SQUARE MILLIMETER
WIDTH BETWEEN FLATS10.0 MILLIMETERS NOMINAL
STRENGTH GRADE DESIGNATION8.8
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDIN267PART9, KEY A4C ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
TEST DATA DOCUMENTD8286-DIN933 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH17.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1.0


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