{"id":66926,"date":"2026-04-20T13:33:56","date_gmt":"2026-04-20T13:33:56","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/din-970\/"},"modified":"2026-04-20T13:41:56","modified_gmt":"2026-04-20T13:41:56","slug":"din-970","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/din-970\/","title":{"rendered":"DIN 970"},"content":{"rendered":"<p style=\"text-align: right; color: #ff0000;\">Attention: The DIN 970 standard is obsolete and has been officially replaced by DIN EN ISO 4032:2013-04.<\/p>\n<h2>Technical description and scope<\/h2>\n<p>This regulatory document specifies the geometric parameters and technical requirements for hexagon nuts (style 1) with coarse metric threads. The range of nominal diameters covers values from M1.6 to M39.<\/p>\n<p>To ensure the operational reliability of assemblies, EV Group China recommends considering the product accuracy classes provided by the standard:<\/p>\n<ul>\n<li>Accuracy class A: applies to nuts with a nominal thread diameter up to and including M16.<\/li>\n<li>Accuracy class B: applies to nuts with a nominal thread diameter over M16.<\/li>\n<\/ul>\n<p>Requirements for the mechanical properties and strength classes of these fasteners must strictly comply with the provisions of the DIN ISO 898-2 standard. In cases where project operating conditions require the use of fasteners with special characteristics or specific strength classes not described in this standard, it is necessary to follow relevant industry standards or technical regulations of EV Group China.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[116,122],"class_list":["post-66926","wiki","type-wiki","status-publish","hentry","wiki_category-din","wiki_category-standarty"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/66926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/66926\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=66926"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=66926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}