5306-01-266-7779 BOLT,MACHINE Index 5305-01-266-7781 SCREW,MACHINE

National Stock Number:
5306-01-266-7780

Federal Supply Class:
5306

National Item Identification Number:
012667780

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:
34620504627HYSTER-YALE GROUP, INC.
34620530076HYSTER-YALE GROUP, INC.
HCE-1000 CPSCR M8X1.0X4030076HYSTER-YALE GROUP, INC.


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH39.5 MILLIMETERS MINIMUM AND 40.5 MILLIMETERS MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING18.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM
HEAD STYLEHEXAGON
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH800 MEGAPASCALS
NOMINAL THREAD DIAMETER8.0 MILLIMETERS
WIDTH BETWEEN FLATS12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL OR ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH22.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.0


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