{"id":67413,"date":"2026-10-10T12:06:13","date_gmt":"2026-10-10T04:06:13","guid":{"rendered":"https:\/\/sfxtec.com\/fastener-guides\/"},"modified":"2026-10-10T12:31:34","modified_gmt":"2026-10-10T04:31:34","slug":"fastener-guides","status":"publish","type":"page","link":"https:\/\/sfxtec.com\/de\/fastener-guides\/","title":{"rendered":"Fastener guides"},"content":{"rendered":"<p class=\"lead\" style=\"font-size:16px;color:var(--ink-soft)\">Straight answers to the questions buyers ask us most often about standards, grades and stainless behaviour. Written by the people who pick the orders.<\/p>\n<h2>Choosing a grade or a standard<\/h2>\n<ul>\n<li><a href=\"\/de\/din-933-vs-gbt-5783\/\"><strong>DIN 933, ISO 4017 and GB\/T 5783 &mdash; what actually differs<\/strong><\/a><br \/>\n\tThe three designations describe the same hexagon head, fully threaded bolt. Four things decide whether you may substitute one for another, and one of them is not negotiable.<\/li>\n<li><a href=\"\/de\/a2-70-vs-grade-8-8\/\"><strong>A2-70 or grade 8.8? Picking a fastener for the environment it lives in<\/strong><\/a><br \/>\n\tGrade 8.8 carries more load; A2-70 never rusts. How to choose between them, what hydrogen embrittlement has to do with your plating choice, and where galvanic corrosion bites.<\/li>\n<li><a href=\"\/de\/stainless-fastener-galling\/\"><strong>Why stainless fasteners seize &mdash; and how to stop it<\/strong><\/a><br \/>\n\tGalling is cold welding, not cross-threading. Six practical measures that prevent it, and what to do when a fastener has already locked up.<\/li>\n<\/ul>\n<h2>Before you order<\/h2>\n<ul>\n<li><a href=\"\/de\/how-to-order\/\">How to order<\/a> &mdash; the whole path from finding the part to clearing customs.<\/li>\n<li><a href=\"\/de\/faq\/\">Frequently asked questions<\/a> &mdash; minimum order, price, discounts, shipping cost, dispatch, payment and claims.<\/li>\n<li><a href=\"\/de\/standard-equivalents\/\">DIN \/ ISO \/ GB \/ GOST equivalents<\/a> &mdash; the cross-reference table for the standards we stock.<\/li>\n<li><a href=\"\/de\/materials-and-compliance\/\">Materials and compliance<\/a> &mdash; what each grade is, and what documentation we can supply.<\/li>\n<li><a href=\"\/de\/about\/\">About SFX Fasteners<\/a> &mdash; the stock, the inspection and the packing behind the catalogue.<\/li>\n<li><a href=\"\/de\/all-fasteners\/\">All fasteners by specification<\/a> &mdash; every material, size, grade, finish and standard in one index.<\/li>\n<\/ul>\n<h2>Cannot find the answer?<\/h2>\n<p>Ask us directly &mdash; <a href=\"mailto:info@sfxtec.com\">info@sfxtec.com<\/a> or the <a href=\"\/de\/request-a-quote\/\">quote request form<\/a>. Questions about a specific part are usually answered the same working day.<\/p>","protected":false},"excerpt":{"rendered":"<p>Straight answers on standards, strength grades and stainless behaviour, from the people who pick the orders.<\/p>","protected":false},"author":0,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-67413","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/pages\/67413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/types\/page"}],"replies":[{"embeddable":true,"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/comments?post=67413"}],"version-history":[{"count":1,"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/pages\/67413\/revisions"}],"predecessor-version":[{"id":67418,"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/pages\/67413\/revisions\/67418"}],"wp:attachment":[{"href":"https:\/\/sfxtec.com\/de\/wp-json\/wp\/v2\/media?parent=67413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}