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National Stock Number:
5306-12-344-8710
Federal Supply Class:
5306
National Item Identification Number:
123448710
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:
| DIN6921-M8X40-10.9-A2D | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 1.2 MILLIMETERS NOMINAL | | EXTENDED WASHER DIAMETER | 18.0 MILLIMETERS NOMINAL | | EXTERNAL THREAD TOLERANCE CLASS | 6KLEIN G | | FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL | | HARDNESS RATING | 320 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL | | HEAD HEIGHT | 8.1 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III PURCHASE DESCRIPTION IDENTIFICATION | D8286-DIN6921-M8X40-10.9-A2D | | MINIMUM TENSILE STRENGTH | 1040 NEWTONS PER SQUARE MILLIMETER | | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 13.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN ISO4042, SCHLUESSEL A2D ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | TEST DATA DOCUMENT | D8286-DIN6921 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 22.0 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 1.25 |
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