5306-01-398-1287 BOLT,MACHINE Index 5306-01-438-9724 BOLT,MACHINE

National Stock Number:
5306-01-428-7617

Federal Supply Class:
5306

National Item Identification Number:
014287617

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
7X-255311083CATERPILLAR INC
7X-2553Z0939CATERPILLAR OF AUSTRALIA PTY LTD


Techincal Specification:
FASTENER LENGTH40.0 MILLIMETERS NOMINAL
GRIP LENGTH5.0 MILLIMETERS NOMINAL
HEAD HEIGHT10.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER16.0 MILLIMETERS
SPECIAL FEATURESZINC DICHROMATE PLATED
THREAD LENGTH35.0 MILLIMETERS NOMINAL
THREAD PITCH IN MILLIMETERS2.0
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS24.0 MILLIMETERS NOMINAL


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