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National Stock Number:
5306-01-270-8909
Federal Supply Class:
5306
National Item Identification Number:
012708909
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.
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Manufacturer Information:
| DIN933-M8-1.25X20-8.8-A4C | 15526 | METRIC AND MULTISTANDARD COMPONENTS CORP | | ISO4017-M8-1.25X20-8.8-A4C | I9008 | INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) |
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Techincal Specification:
| EXTERNAL THREAD TOLERANCE CLASS | 6G | | FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 5.5 MILLIMETERS NOMINAL | | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL | | MINIMUM TENSILE STRENGTH | 800 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 13.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 17.50 MILLIMETERS MINIMUM | | THREAD PITCH IN MILLIMETERS | 1.25 | | THREAD SERIES DESIGNATOR | M |
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