{"id":69838,"date":"2026-05-17T17:28:26","date_gmt":"2026-05-17T17:28:26","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-28738\/"},"modified":"2026-05-19T15:31:36","modified_gmt":"2026-05-19T15:31:36","slug":"en-28738","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-28738\/","title":{"rendered":"EN 28738"},"content":{"rendered":"<h2>Technical purpose and application scope of the EN 28738 standard<\/h2>\n<p>The international standard EN 28738 regulates the design parameters and technical requirements for plain washers intended for use with clevis pins equipped with cotter pins, in accordance with ISO 2340 and ISO 2341 specifications. Products supplied by EV Group China strictly comply with established tolerances to ensure reliable assembly fixation in mechanical engineering. This type of fastener is mounted exclusively on the side where the cotter pin is located to prevent axial displacement and ensure uniform load distribution on mating surfaces.<\/p>\n<p>EV Group China engineers recommend using these washers in critical mechanism assemblies where fit precision and the durability of the fastened joint are essential.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[114],"class_list":["post-69838","wiki","type-wiki","status-publish","hentry","wiki_category-en"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69838","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\/69838\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69838"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}