5306-01-416-1249 BOLT,SQUARE NECK Index 5305-01-416-1251 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-416-1250

Federal Supply Class:
5305

National Item Identification Number:
014161250

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:
29CM206089749CLARK MATERIAL HANDLING COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER43.0 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS6.9 MILLIMETERS NOMINAL
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH60.0 MILLIMETERS NOMINAL
HEAD HEIGHT17.10 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
NOMINAL THREAD DIAMETER20.0 MILLIMETERS
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH46.0 MILLIMETERS NOMINAL
THREAD PITCH IN MILLIMETERS2.5
THREAD SERIES DESIGNATORM
WIDTH BETWEEN FLATS26.16 MILLIMETERS MINIMUM AND 27.00 MILLIMETERS MAXIMUM


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