{"id":69791,"date":"2026-05-17T17:28:11","date_gmt":"2026-05-17T17:28:11","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-iso-1234\/"},"modified":"2026-05-19T15:31:15","modified_gmt":"2026-05-19T15:31:15","slug":"en-iso-1234","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-iso-1234\/","title":{"rendered":"EN ISO 1234"},"content":{"rendered":"<h2>Technical description and purpose of split pins according to EN ISO 1234<\/h2>\n<p>This international standard establishes comprehensive requirements for split pins used in mechanical engineering for securing threaded connections and preventing nuts from self-loosening. EV Group China technical regulations cover key product geometry parameters, physical and mechanical material properties, and requirements for anti-corrosion coatings.<\/p>\n<h2>Manufacturing regulatory requirements<\/h2>\n<p>The EN ISO 1234 specification defines critical indicators to ensure the reliability of fastening assemblies:<\/p>\n<ul>\n<li>Geometric tolerances and nominal cross-section dimensions of the shank.<\/li>\n<li>Grades of steel and alloys permitted for use in fastener production.<\/li>\n<li>Surface quality standards, excluding burrs and stamping defects.<\/li>\n<li>Labeling methodology for batch identification and strength class compliance.<\/li>\n<\/ul>\n<p>EV Group China engineers ensure strict production compliance with these parameters, guaranteeing the durability of split pins in assemblies subject to high vibration loads.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[120],"class_list":["post-69791","wiki","type-wiki","status-publish","hentry","wiki_category-iso"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69791","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\/69791\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69791"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}