5306-01-228-3274 BOLT,MACHINE Index 5306-01-228-3276 BOLT,MACHINE

National Stock Number:
5306-01-228-3275

Federal Supply Class:
5306

National Item Identification Number:
012283275

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:
908-12572741DORMAN PRODUCTS, INC.


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH20.00 MILLIMETERS NOMINAL
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
THREAD LENGTH17.5 MILLIMETERS MINIMUM AND
20.0 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
SURFACE TREATMENTDICHROMATE OVERALL
HARDNESS RATING18.0 ROCKWELL C MINIMUM AND
31.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH113784 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH91000 POUNDS PER SQUARE INCH
HEAD HEIGHT5.5 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS13.0 MILLIMETERS NOMINAL
FEATURES PROVIDEDFINISHED HEAD
SPECIAL FEATURESCOLOR GREEN


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