{"id":66948,"date":"2026-04-20T13:34:01","date_gmt":"2026-04-20T13:34:01","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/din-6918\/"},"modified":"2026-04-20T13:42:07","modified_gmt":"2026-04-20T13:42:07","slug":"din-6918","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/din-6918\/","title":{"rendered":"DIN 6918"},"content":{"rendered":"<p style=\"text-align: right;\"><span style=\"color: #ff0000;\">Attention: The DIN 6918 standard has been officially withdrawn (cancelled).<\/span><\/p>\n<p>This regulatory documentation governed the technical parameters of square wedge washers designed for high-strength HV bolted connections used in the assembly of U-shaped steel profiles. The technical requirements complied with standards relevant to steel structures with control notches.<\/p>\n<h2>Scope of DIN 6918<\/h2>\n<p>Square tapered washers were used as a structural element in creating critical GV and SL bolted connections as described in DIN 18800 (part 1). The products were designed for use with high-strength bolts (DIN 6914) and corresponding hexagon nuts (DIN 6915) in load-bearing steel frames. EV Group China provides expert support in selecting alternative fastening equipment that meets modern safety standards.<\/p>\n<p>Quality control and product acceptance testing were conducted in accordance with DIN 267 (part 5). The parameters for the acceptable quality level (AQL) are presented in the table below.<\/p>\n<p><strong>Table 2. Key quality control indicators<\/strong><\/p>\n<table class=\"table table-bordered table-hover\">\n<thead>\n<tr>\n<th>Main characteristics<\/th>\n<th>AQL value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hole diameter<\/td>\n<td>1.5<\/td>\n<\/tr>\n<tr>\n<td>Coaxiality<\/td>\n<td>1.5<\/td>\n<\/tr>\n<tr>\n<td>Wedge angle<\/td>\n<td>1.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[116,122],"class_list":["post-66948","wiki","type-wiki","status-publish","hentry","wiki_category-din","wiki_category-standarty"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/66948","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\/66948\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=66948"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=66948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}