{"id":66991,"date":"2026-04-20T13:34:10","date_gmt":"2026-04-20T13:34:10","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/din-555\/"},"modified":"2026-04-20T13:42:23","modified_gmt":"2026-04-20T13:42:23","slug":"din-555","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/din-555\/","title":{"rendered":"DIN 555"},"content":{"rendered":"<p style=\"text-align: right;\"><span style=\"color: #ff0000;\">Attention: The DIN 555 standard has been officially withdrawn and replaced by the current international regulation DIN EN ISO 4034:2001-03.<\/span><\/p>\n<h2>Technical overview and application of DIN 555 nuts<\/h2>\n<p>DIN 555 defines the geometric parameters and tolerances for hexagonal nuts with a metric thread profile. This fastener is widely used in modern mechanical engineering, industrial construction, and metal structure assembly where reliable fixation of mating parts with corresponding threads is required.<\/p>\n<p>EV Group China specialists note that nuts manufactured according to this specification ensure stable transfer of static loads. Materials used for manufacturing include:<\/p>\n<ul>\n<li>Carbon steels with various strength classes;<\/li>\n<li>Corrosion-resistant austenitic steels of grades A2 and A4 for operation in aggressive environments;<\/li>\n<li>Brass alloys for specific operating conditions.<\/li>\n<\/ul>\n<p>This standard is fully harmonized with ISO 4034. To select fasteners that meet modern safety and strength requirements, we recommend consulting the experts at EV Group China.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[116,122],"class_list":["post-66991","wiki","type-wiki","status-publish","hentry","wiki_category-din","wiki_category-standarty"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/66991","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\/66991\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=66991"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=66991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}