![]() ![]() Hex bolt grade refers to the grade of steel used in manufacturing the screw. How do you know what grade a cap screw is? Thus, the German version of the standard is called DIN EN ISO 4032-M12-8. Only the abbreviations DIN EN are added to the designation. If an ISO standard is implemented on national level without any changes, the same designation as the corresponding ISO standard is given to the national standard. What is the difference between EN ISO and DIN ISO EN? ![]() The International Standards Organisation (ISO) standard has evolved to supersede the DIN standard, which was historically the predominant metric fastener system referred to. STANDARDS – ISO / BS / DIN With reference to fasteners, DIN number indicates the that the part conforms to a specific metric standard.
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