{"id":66993,"date":"2026-04-20T13:34:12","date_gmt":"2026-04-20T13:34:12","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/din-433\/"},"modified":"2026-04-20T13:42:25","modified_gmt":"2026-04-20T13:42:25","slug":"din-433","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/din-433\/","title":{"rendered":"DIN 433"},"content":{"rendered":"<p style=\"text-align: right;\"><span style=\"color: #ff0000;\">The DIN 433 standard is officially recognized as obsolete and has been replaced by DIN EN ISO 7092:2000-11, which is the current regulation for this type of fastener.<\/span><\/p>\n<h2>Technical specification and application of DIN 433 washers<\/h2>\n<p>Stainless steel washers conforming to the geometric parameters of DIN 433 are highly specialized fasteners with a reduced outer diameter. In the engineering practice of EV Group China, these washers are used to assemble critical threaded connections where minimizing the assembly dimensions while maintaining high load-bearing capacity is required.<\/p>\n<p>The use of A2 grade steel (AISI 304) provides the products with resistance to corrosion in atmospheric conditions and mildly aggressive environments. The main areas of integration include:<\/p>\n<ul>\n<li>Food machinery manufacturing: preventing oxidation upon contact with organic acids.<\/li>\n<li>Instrument engineering: precision mounting in confined spaces.<\/li>\n<li>Chemical industry: ensuring the durability of detachable joints.<\/li>\n<\/ul>\n<p>The washer is installed in the contact area between the bolt or screw head and the part&#8217;s bearing surface, ensuring even pressure distribution and preventing material deformation during tightening.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[116,122],"class_list":["post-66993","wiki","type-wiki","status-publish","hentry","wiki_category-din","wiki_category-standarty"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/66993","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\/66993\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=66993"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=66993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}