5305-12-337-4248 SCREW,EXTERNALLY RE Index 5305-12-337-4825 SCREW,CAP,HEXAGON H

National Stock Number:
5305-12-337-4824

Federal Supply Class:
5305

National Item Identification Number:
123374824

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:
ISO8765-M20X1,5X140-10.9I9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6 KLEIN G
FASTENER LENGTH140,0 MILLIMETERS NOMINAL
HARDNESS RATING320 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 380 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL
HEAD HEIGHT12,5 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONISO898-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH1040 NEWTONS PER SQUARE MILLIMETER
NOMINAL THREAD DIAMETER20,0 MILLIMETERS
OFFSET YIELD STRENGTH940 NEWTONS PER SQUARE MILLIMETER
PURCHASE DESCRIPTION IDENTIFICATIONI9008-ISO8765-M20X1,5X140-10.9
WIDTH BETWEEN FLATS30,0 MILLIMETERS NOMINAL
STRENGTH GRADE DESIGNATION10.9
TEST DATA DOCUMENTI9006-EN28765 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH52,0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS1,5


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