5305-01-523-4312 SCREW,MACHINE Index 5306-01-523-4314 BOLT,MACHINE

National Stock Number:
5306-01-523-4313

Federal Supply Class:
5306

National Item Identification Number:
015234313

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:
B1867ED03525080204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH25.0 MILLIMETERS NOMINAL
HEAD HEIGHT2.4 MILLIMETERS MINIMUM AND 2.6 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER3.5 MILLIMETERS
WIDTH BETWEEN FLATS5.32 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH38.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORISO M
THREAD PITCH IN MILLIMETERS0.6


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