{"id":69778,"date":"2026-05-17T17:28:06","date_gmt":"2026-05-17T17:28:06","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-iso-8765\/"},"modified":"2026-05-19T15:31:08","modified_gmt":"2026-05-19T15:31:08","slug":"en-iso-8765","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-iso-8765\/","title":{"rendered":"EN ISO 8765"},"content":{"rendered":"<h2>Technical features of screws according to EN ISO 8765 standard<\/h2>\n<p>The international standard EN ISO 8765 regulates the production and technical delivery conditions for high-strength hexagon head screws featuring fine-pitch metric threads. This fastener is a key component in assemblies requiring high joint reliability, resistance to vibration loads, and precise tightening adjustments.<\/p>\n<p>EV Group China engineers emphasize that the choice of this standard is justified by the need for precision assembly in mechanical engineering. The screws comply with:<\/p>\n<ul>\n<li>Accuracy class A: for nominal thread diameters from 8 to 24 mm inclusive, with a length up to 10 diameters or 150 mm.<\/li>\n<li>Accuracy class B: for nominal diameters over 24 mm or for lengths exceeding the limits set for class A.<\/li>\n<\/ul>\n<p>The range of nominal thread diameters is from 8 to 64 mm. The use of a fine thread pitch according to the EN ISO 8765 standard increases the contact area of the threads, which is critical for preventing self-loosening in highly loaded dynamic structures.<\/p>\n<p>For specific operating conditions requiring non-standard geometric parameters or special material characteristics, EV Group China recommends using additional international specifications harmonized with the requirements of the ISO system.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[120],"class_list":["post-69778","wiki","type-wiki","status-publish","hentry","wiki_category-iso"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69778","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\/69778\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69778"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}