{"id":7584,"date":"2025-10-16T12:02:24","date_gmt":"2025-10-16T04:02:24","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7584"},"modified":"2026-06-24T12:06:06","modified_gmt":"2026-06-24T04:06:06","slug":"din-6921-hex-flange-bolts-factory","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/din-6921-hex-flange-bolts-factory\/","title":{"rendered":"DIN 6921 hex flange bolts factory"},"content":{"rendered":"\n<style>\n  .xz-wp-product-page-din6921-factory {\n    --xz-blue: #0b2f5b;\n    --xz-blue-2: #143f70;\n    --xz-light: #eef5fb;\n    --xz-soft: #f7fbff;\n    --xz-line: #d7e3ef;\n    --xz-text: #1e2a36;\n    --xz-muted: #5d6c7a;\n    --xz-accent: #f2b544;\n    font-family: Arial, Helvetica, sans-serif;\n    color: var(--xz-text);\n    background: #ffffff;\n    line-height: 1.62;\n  }\n  .xz-wp-product-page-din6921-factory * {\n    box-sizing: border-box;\n  }\n  .xz-wp-product-page-din6921-factory a {\n    color: #0b5fa8;\n    text-decoration: underline;\n    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font-weight: 700;\n    text-decoration: none;\n  }\n  @media (max-width: 820px) {\n    .xz-wp-product-page-din6921-factory .xz-hero-grid,\n    .xz-wp-product-page-din6921-factory .xz-two,\n    .xz-wp-product-page-din6921-factory .xz-card-grid {\n      grid-template-columns: 1fr;\n    }\n    .xz-wp-product-page-din6921-factory .xz-hero {\n      padding: 42px 0;\n    }\n  }\n<\/style>\n\n<article class=\"xz-wp-product-page-din6921-factory\">\n  <div class=\"xz-hero\">\n    <div class=\"xz-wrap\">\n      <div class=\"xz-hero-grid\">\n        <div>\n          <h1>DIN 6921 hex flange bolts factory<\/h1>\n          <p>XZ Fastener manufactures DIN 6921 hex flange bolts for buyers who need metric flange head fasteners with stable dimensions, controlled strength, and practical packing support. The integrated flange helps distribute bearing load and can reduce the need for a separate washer in suitable assemblies. These bolts are commonly used in machinery, automotive parts, brackets, frames, equipment housings, and maintenance stock. Orders can be discussed by size list, material, grade, finish, packaging, and inspection requirements. Buyers may also review related <a href=\"https:\/\/xzfastener.com\/fastener-type\/bolts\/\">industrial bolts<\/a> and complete <a href=\"https:\/\/xzfastener.com\/home\/products\/\">fastener products<\/a> for mixed purchasing programs.<\/p>\n          <div class=\"xz-badges\">\n            <span class=\"xz-badge\">DIN 6921 metric flange bolts<\/span>\n            <span class=\"xz-badge\">Serrated or non-serrated options<\/span>\n            <span class=\"xz-badge\">Carbon steel and stainless options<\/span>\n            <span class=\"xz-badge\">Factory packing and inspection support<\/span>\n          <\/div>\n        <\/div>\n        <figure class=\"xz-visual\" aria-label=\"DIN 6921 hex flange bolt illustration\">\n          <img decoding=\"async\" alt=\"DIN 6921 hex flange bolt with integrated flange head\" src=\"data:image\/svg+xml,%3Csvg%20width='760'%20height='520'%20viewBox='0%200%20760%20520'%20xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Crect%20width='760'%20height='520'%20rx='28'%20fill='%23eef5fb'\/%3E%3Cg%20transform='translate(76%20116)'%3E%3Cellipse%20cx='178'%20cy='134'%20rx='160'%20ry='50'%20fill='%23a5bdd4'\/%3E%3Cellipse%20cx='178'%20cy='118'%20rx='160'%20ry='50'%20fill='%23dbe8f5'\/%3E%3Cpolygon%20points='88,80%20138,42%20218,42%20268,80%20268,132%20218,170%20138,170%2088,132'%20fill='%23b9cada'\/%3E%3Cpolygon%20points='108,87%20148,58%20208,58%20248,87%20248,124%20208,153%20148,153%20108,124'%20fill='%238aa7c3'\/%3E%3Crect%20x='314'%20y='96'%20width='340'%20height='48'%20rx='24'%20fill='%23a5bdd4'\/%3E%3Cpath%20d='M334%20103%20h298%20M334%20118%20h298%20M334%20133%20h298%20M348%2096%20l-18%2048%20M386%2096%20l-18%2048%20M424%2096%20l-18%2048%20M462%2096%20l-18%2048%20M500%2096%20l-18%2048%20M538%2096%20l-18%2048%20M576%2096%20l-18%2048%20M614%2096%20l-18%2048'%20stroke='%230b2f5b'%20stroke-width='4'%20opacity='.62'\/%3E%3Crect%20x='628'%20y='96'%20width='50'%20height='48'%20rx='21'%20fill='%2387a6c2'\/%3E%3C\/g%3E%3Cg%20transform='translate(88%20356)'%3E%3Crect%20x='0'%20y='0'%20width='220'%20height='76'%20rx='10'%20fill='%23ffffff'%20stroke='%23d8e4ef'\/%3E%3Ctext%20x='18'%20y='28'%20font-family='Arial'%20font-size='15'%20font-weight='700'%20fill='%230b2f5b'%3EINTEGRATED%20FLANGE%3C\/text%3E%3Ctext%20x='18'%20y='51'%20font-family='Arial'%20font-size='13'%20fill='%235d6c7b'%3Eload%20distribution%20%7C%20fast%20assembly%3C\/text%3E%3C\/g%3E%3Cg%20transform='translate(350%20356)'%3E%3Crect%20x='0'%20y='0'%20width='220'%20height='76'%20rx='10'%20fill='%23ffffff'%20stroke='%23d8e4ef'\/%3E%3Ctext%20x='18'%20y='28'%20font-family='Arial'%20font-size='15'%20font-weight='700'%20fill='%230b2f5b'%3EDIN%206921%3C\/text%3E%3Ctext%20x='18'%20y='51'%20font-family='Arial'%20font-size='13'%20fill='%235d6c7b'%3Ehex%20flange%20head%20%7C%20metric%20thread%3C\/text%3E%3C\/g%3E%3C\/svg%3E\" \/>\n        <\/figure>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Quick Specs<\/h2>\n      <div class=\"xz-table-wrap\">\n        <table>\n          <tbody>\n            <tr>\n              <th>Standard<\/th>\n              <td>DIN 6921 hex flange bolts. Related ISO or drawing-controlled requirements can be reviewed when interchangeability is critical.<\/td>\n            <\/tr>\n            <tr>\n              <th>Strength<\/th>\n              <td>Common metric property classes include 8.8, 10.9, and 12.9 according to order requirement; stainless steel A2-70 or A4-70 available upon request.<\/td>\n            <\/tr>\n            <tr>\n              <th>Material<\/th>\n              <td>Carbon steel, alloy steel, stainless steel 304\/A2, stainless steel 316\/A4, or specified material according to application requirement.<\/td>\n            <\/tr>\n            <tr>\n              <th>Finish<\/th>\n              <td>Plain, black oxide, zinc plated, hot dip galvanized where suitable, zinc flake, nickel plated, or passivated stainless steel.<\/td>\n            <\/tr>\n            <tr>\n              <th>Application<\/th>\n              <td>Machinery, automotive components, steel brackets, frames, equipment housings, guard assemblies, maintenance stock, and OEM production.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>What Buyers Should Know Before Sourcing DIN 6921 Hex Flange Bolts<\/h2>\n      <p>DIN 6921 hex flange bolts combine a hex head and an integrated flange. The flange provides a wider bearing surface than a standard hex bolt head, which can help distribute load on suitable mating surfaces. Serrated flange options may also help resist loosening in selected assemblies, but they can damage coatings or soft contact surfaces.<\/p>\n      <p>Before sourcing, buyers should confirm whether the application requires serrated or non-serrated flange, full thread or partial thread, exact property class, coating, and nut compatibility. For standard comparison across metric fasteners, XZ Fastener\u2019s <a href=\"https:\/\/xzfastener.com\/din-iso-fastener-standards-complete-overview-for-industrial-buyers\/\">DIN and ISO fastener standards guide<\/a> helps clarify why product standard, grade, material, and finish must be specified separately.<\/p>\n      <div class=\"xz-note\">\n        <strong>Factory note:<\/strong> DIN 6921 flange bolts can improve assembly efficiency, but they should not be treated as a universal replacement for a hex bolt plus washer. Check the bearing surface, tightening method, and coating compatibility first.\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Common Purchasing Descriptions<\/h2>\n      <p>A clear purchasing description helps the factory quote, produce, inspect, pack, and label the correct flange bolt. Each size, grade, finish, and flange type should be listed separately.<\/p>\n      <div class=\"xz-table-wrap\">\n        <table>\n          <thead>\n            <tr>\n              <th>Incomplete Description<\/th>\n              <th>Better Purchasing Description<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>M8 flange bolt<\/td>\n              <td>DIN 6921 hex flange bolt, M8 x 25, Class 8.8, zinc plated, serrated flange, carton packing<\/td>\n            <\/tr>\n            <tr>\n              <td>Black flange bolt<\/td>\n              <td>DIN 6921 hex flange bolt, M10 x 30, Class 10.9, black oxide, non-serrated flange, inspection report upon request<\/td>\n            <\/tr>\n            <tr>\n              <td>Stainless flange bolt<\/td>\n              <td>DIN 6921 hex flange bolt, M6 x 20, A2-70 stainless steel, passivated, small box packing<\/td>\n            <\/tr>\n            <tr>\n              <td>Custom flange bolt<\/td>\n              <td>Hex flange bolt made to drawing, specified flange diameter, material, finish, tolerance, and buyer label<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>Some buyers purchase DIN 6921 together with DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts. These should remain separate line items because the head form, bearing area, application, and packing requirements are different.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Detailed Specifications Table<\/h2>\n      <div class=\"xz-table-wrap\">\n        <table>\n          <thead>\n            <tr>\n              <th>Specification Item<\/th>\n              <th>Typical Requirement<\/th>\n              <th>Buyer Checkpoint<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Product type<\/td>\n              <td>Hex flange bolt<\/td>\n              <td>Confirm DIN 6921 or drawing-controlled flange bolt requirement.<\/td>\n            <\/tr>\n            <tr>\n              <td>Thread system<\/td>\n              <td>Metric thread, commonly coarse pitch<\/td>\n              <td>State fine pitch clearly if required by machinery or automotive assemblies.<\/td>\n            <\/tr>\n            <tr>\n              <td>Common size range<\/td>\n              <td>M5, M6, M8, M10, M12, M14, M16, and larger sizes upon request<\/td>\n              <td>Send a size list with quantity for each diameter and length.<\/td>\n            <\/tr>\n            <tr>\n              <td>Flange type<\/td>\n              <td>Serrated or non-serrated flange depending on application<\/td>\n              <td>Check whether serration is acceptable on coated, painted, aluminum, or soft surfaces.<\/td>\n            <\/tr>\n            <tr>\n              <td>Thread length<\/td>\n              <td>Full or partial thread according to size and order requirement<\/td>\n              <td>Confirm thread engagement, grip length, and mating nut or tapped hole.<\/td>\n            <\/tr>\n            <tr>\n              <td>Strength class<\/td>\n              <td>8.8, 10.9, 12.9, A2-70, A4-70, or order-specific grade<\/td>\n              <td>Match strength to load, tightening method, and application safety requirement.<\/td>\n            <\/tr>\n            <tr>\n              <td>Surface finish<\/td>\n              <td>Zinc plated, black oxide, zinc flake, plain, hot dip galvanized where suitable, or stainless passivation<\/td>\n              <td>Confirm corrosion exposure, thread fit, and coating appearance requirements.<\/td>\n            <\/tr>\n            <tr>\n              <td>Packing<\/td>\n              <td>Bulk carton, small box, bag, pallet, barcode label, or buyer label<\/td>\n              <td>Define pieces per box, carton weight, label format, and pallet requirement before production.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>For buyers comparing related standard products, the <a href=\"https:\/\/xzfastener.com\/products-category\/standard-fasteners\/\">standard fasteners<\/a> page provides a wider view of bolts, screws, nuts, washers, anchors, and threaded components available for industrial purchasing.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Material and Grade Explanation<\/h2>\n      <div class=\"xz-two\">\n        <div>\n          <h3>Carbon Steel and Alloy Steel<\/h3>\n          <p>Carbon steel and alloy steel DIN 6921 hex flange bolts are widely used in machinery, automotive brackets, equipment frames, and general industrial assemblies. Property Class 8.8 is common for general high-strength use, while 10.9 and 12.9 may be selected for higher-load applications.<\/p>\n          <p>For load-sensitive assemblies, compare the requirement with related <a href=\"https:\/\/xzfastener.com\/products-category\/high-strength-fasteners\/\">high-strength fasteners<\/a>. The flange design affects bearing area, but the bolt grade and tightening method still control joint performance.<\/p>\n        <\/div>\n        <div>\n          <h3>Stainless Steel<\/h3>\n          <p>A2 stainless steel flange bolts are suitable for many indoor and mild outdoor applications. A4 stainless steel is more suitable for coastal, marine, chemical, or high-humidity environments. Stainless flange bolts should be matched with compatible nuts or tapped holes.<\/p>\n          <p>Stainless steel threads can gall during installation, especially under high speed or dry assembly. Buyers should confirm lubrication and torque practice when stainless bolts are used in repeated assembly.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Surface Finish Selection Guide<\/h2>\n      <p>Surface finish affects corrosion resistance, appearance, thread fit, friction behavior, and storage life. The finish should match the service environment and assembly method.<\/p>\n      <div class=\"xz-table-wrap\">\n        <table>\n          <thead>\n            <tr>\n              <th>Finish<\/th>\n              <th>Suitable Use<\/th>\n              <th>Buyer Note<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Zinc plated<\/td>\n              <td>General industrial use and light corrosion protection<\/td>\n              <td>Common for machinery and stock supply. Confirm color, coating thickness, and salt spray expectation.<\/td>\n            <\/tr>\n            <tr>\n              <td>Black oxide<\/td>\n              <td>Indoor machinery and equipment assemblies<\/td>\n              <td>Clean dark appearance; limited corrosion resistance unless protected by oil or controlled storage.<\/td>\n            <\/tr>\n            <tr>\n              <td>Zinc flake<\/td>\n              <td>Outdoor equipment and higher corrosion resistance applications<\/td>\n              <td>Useful where corrosion protection and controlled coating thickness are both important.<\/td>\n            <\/tr>\n            <tr>\n              <td>Hot dip galvanized<\/td>\n              <td>Outdoor steel structures where suitable for the thread and size<\/td>\n              <td>Check coating thickness, thread fit, and matching nut requirements before approval.<\/td>\n            <\/tr>\n            <tr>\n              <td>Stainless passivation<\/td>\n              <td>A2 or A4 stainless steel flange bolts<\/td>\n              <td>Recommended when corrosion resistance and clean surface condition are important.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>For corrosion-sensitive applications, buyers can review XZ Fastener\u2019s <a href=\"https:\/\/xzfastener.com\/products-category\/various-coated-fasteners\/\">coated fasteners<\/a> before confirming the final finish.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Manufacturing and Quality Control<\/h2>\n      <p>DIN 6921 hex flange bolts require control of head forming, flange geometry, thread quality, strength, coating, and packing. For serrated flange bolts, the serration shape and consistency should also be checked because it affects contact with the bearing surface.<\/p>\n      <div class=\"xz-card-grid\">\n        <div class=\"xz-card\">\n          <strong>Material and Batch Control<\/strong>\n          <p>Material grade, wire or bar diameter, heat number, and batch separation should be confirmed before forming and threading.<\/p>\n        <\/div>\n        <div class=\"xz-card\">\n          <strong>Head and Flange Inspection<\/strong>\n          <p>Across-flat size, head height, flange diameter, flange thickness, serration condition, and bearing surface should be checked against the order requirement.<\/p>\n        <\/div>\n        <div class=\"xz-card\">\n          <strong>Thread and Finish Check<\/strong>\n          <p>Thread pitch, thread length, gauge result, coating appearance, package quantity, and label content should be verified before shipment.<\/p>\n        <\/div>\n      <\/div>\n      <p>For special flange diameter, non-standard serration, modified thread length, or private-label packing, XZ Fastener can discuss <a href=\"https:\/\/xzfastener.com\/products-category\/custom-non-standard-fasteners\/\">custom fasteners<\/a> based on drawings, samples, or technical descriptions.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>Applications<\/h2>\n      <p>DIN 6921 hex flange bolts are used where a bolt head with a wider bearing surface is useful. They are common in production lines and maintenance stock because they can simplify assembly when the joint design allows it.<\/p>\n      <div class=\"xz-table-wrap\">\n        <table>\n          <thead>\n            <tr>\n              <th>Application Area<\/th>\n              <th>Why DIN 6921 Is Used<\/th>\n              <th>Selection Reminder<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr>\n              <td>Machinery and equipment frames<\/td>\n              <td>Integrated flange supports faster assembly and wider bearing contact<\/td>\n              <td>Confirm flange clearance and tightening method.<\/td>\n            <\/tr>\n            <tr>\n              <td>Automotive and vehicle brackets<\/td>\n              <td>Flange head can reduce washer handling in suitable joints<\/td>\n              <td>Check grade, coating, and vibration conditions.<\/td>\n            <\/tr>\n            <tr>\n              <td>Electrical and metal enclosures<\/td>\n              <td>Clean assembly with stable contact surface<\/td>\n              <td>Choose finish according to indoor or outdoor exposure.<\/td>\n            <\/tr>\n            <tr>\n              <td>Guard assemblies and brackets<\/td>\n              <td>Wider bearing surface helps distribute load on plates and brackets<\/td>\n              <td>Check whether serrated flange is acceptable on coated surfaces.<\/td>\n            <\/tr>\n            <tr>\n              <td>OEM and distributor stock<\/td>\n              <td>Common metric sizes support repeat consumption<\/td>\n              <td>Use clear labels by size, finish, material, grade, and batch.<\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>If the order requires modified flange dimensions, private-label packing, or drawing-based production, the <a href=\"https:\/\/xzfastener.com\/home\/customized-service\/\">customized service<\/a> process can help define requirements before manufacturing.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>How to Get a Faster Quotation<\/h2>\n      <p>A complete inquiry helps the factory quote accurately and reduce follow-up time. Send a structured size list instead of a short product name.<\/p>\n      <ol>\n        <li>Confirm standard: DIN 6921 or drawing-controlled hex flange bolt.<\/li>\n        <li>Send size list: diameter, length, thread pitch, flange type, and quantity for each line.<\/li>\n        <li>State material and grade: carbon steel, alloy steel, Class 8.8, 10.9, 12.9, A2 stainless, A4 stainless, or specified material.<\/li>\n        <li>Define finish: zinc plated, black oxide, zinc flake, hot dip galvanized where suitable, passivated stainless, or other coating.<\/li>\n        <li>Confirm packaging: bulk carton, small box, plastic bag, buyer label, barcode, pallet, or line-side packing.<\/li>\n        <li>List inspection requirements: dimensional report, material certificate, coating report, packing list details, or Certificate of Origin.<\/li>\n        <li>Share destination country or port if export packing or shipment support is required.<\/li>\n      <\/ol>\n      <p>For current quotation support, <a href=\"https:\/\/xzfastener.com\/home\/contact-us\/\">contact XZ Fastener<\/a> with your size list, finish, quantity, packaging, and inspection requirements.<\/p>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <h2>FAQ<\/h2>\n      <details>\n        <summary>What is DIN 6921 used for?<\/summary>\n        <p>DIN 6921 hex flange bolts are used in machinery, automotive brackets, equipment frames, enclosures, guard assemblies, and other applications where an integrated flange head can provide a wider bearing surface.<\/p>\n      <\/details>\n      <details>\n        <summary>Can DIN 6921 flange bolts replace hex bolts with washers?<\/summary>\n        <p>Sometimes, but not always. The flange can distribute load, but the joint design, bearing surface, hole size, coating, and tightening method should be checked before replacing a separate washer arrangement.<\/p>\n      <\/details>\n      <details>\n        <summary>Are DIN 6921 flange bolts serrated?<\/summary>\n        <p>DIN 6921 flange bolts may be requested with serrated or non-serrated flange depending on the buyer requirement. Serration can affect locking behavior and surface damage, so it should be confirmed clearly.<\/p>\n      <\/details>\n      <details>\n        <summary>What materials and grades can be supplied?<\/summary>\n        <p>Common options include carbon steel, alloy steel, stainless steel A2, and stainless steel A4. Metric property classes such as 8.8, 10.9, and 12.9 can be discussed according to application and order requirement.<\/p>\n      <\/details>\n      <details>\n        <summary>Which finishes are common for DIN 6921 hex flange bolts?<\/summary>\n        <p>Zinc plated, black oxide, zinc flake, plain, hot dip galvanized where suitable, and stainless steel passivation are common options. The finish should match corrosion exposure, thread fit, and appearance requirements.<\/p>\n      <\/details>\n      <details>\n        <summary>What information is needed for an accurate quotation?<\/summary>\n        <p>Send the standard, size list, thread pitch, flange type, material, grade, finish, quantity, packing method, and inspection requirements. A drawing is recommended for special flange dimensions or non-standard serration.<\/p>\n      <\/details>\n    <\/div>\n  <\/section>\n\n  <section>\n    <div class=\"xz-wrap\">\n      <div class=\"xz-cta\">\n        <h2>Send Your DIN 6921 Hex Flange Bolt Inquiry<\/h2>\n        <p>For an accurate quotation, send your size list, finish, quantity, packaging, and inspection requirements. If the bolt is used in a load-sensitive or surface-sensitive assembly, include the drawing or application note with the inquiry.<\/p>\n        <ul>\n          <li>Size list: diameter, length, thread pitch, flange type, and quantity<\/li>\n          <li>Material and grade: carbon steel, alloy steel, Class 8.8, 10.9, 12.9, A2, A4, or specified material<\/li>\n          <li>Finish: zinc plated, black oxide, zinc flake, hot dip galvanized where suitable, passivated stainless, or other requirement<\/li>\n          <li>Packaging: small box, bulk carton, bag, buyer label, barcode label, pallet, or line-side packing<\/li>\n          <li>Inspection: dimensional report, material certificate, coating report, Certificate of Origin, or project documents<\/li>\n        <\/ul>\n        <a class=\"xz-btn\" href=\"https:\/\/xzfastener.com\/home\/contact-us\/\">Request a Quote<\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <script type=\"application\/ld+json\">\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@graph\": [\n      {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/xzfastener.com\/#organization\",\n        \"name\": \"XZ Fastener\",\n        \"url\": \"https:\/\/xzfastener.com\/\",\n        \"contactPoint\": {\n          \"@type\": \"ContactPoint\",\n          \"contactType\": \"sales\",\n          \"email\": \"sales@xzfastener.com\",\n          \"url\": \"https:\/\/xzfastener.com\/home\/contact-us\/\"\n        }\n      },\n      {\n        \"@type\": \"BreadcrumbList\",\n        \"@id\": \"https:\/\/xzfastener.com\/#breadcrumb-din-6921-hex-flange-bolts-factory\",\n        \"itemListElement\": [\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 1,\n            \"name\": \"Home\",\n            \"item\": \"https:\/\/xzfastener.com\/\"\n          },\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 2,\n            \"name\": \"Products\",\n            \"item\": \"https:\/\/xzfastener.com\/home\/products\/\"\n          },\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 3,\n            \"name\": \"Bolts\",\n            \"item\": \"https:\/\/xzfastener.com\/fastener-type\/bolts\/\"\n          },\n          {\n            \"@type\": \"ListItem\",\n            \"position\": 4,\n            \"name\": \"DIN 6921 Hex Flange Bolts Factory\"\n          }\n        ]\n      },\n      {\n        \"@type\": \"Product\",\n        \"@id\": \"https:\/\/xzfastener.com\/#product-din-6921-hex-flange-bolts-factory\",\n        \"name\": \"DIN 6921 Hex Flange Bolts\",\n        \"brand\": {\n          \"@type\": \"Brand\",\n          \"name\": \"XZ Fastener\"\n        },\n        \"manufacturer\": {\n          \"@id\": \"https:\/\/xzfastener.com\/#organization\"\n        },\n        \"description\": \"DIN 6921 hex flange bolts manufactured by XZ Fastener for machinery, automotive components, brackets, equipment frames, enclosures, guard assemblies, OEM production, and distributor stock. 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The integrated flange helps distribute bearing load and can reduce the need for a separate washer in suitable assemblies. These bolts are commonly used [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[110],"tags":[],"class_list":["post-7584","post","type-post","status-publish","format-standard","hentry","category-product-knowledge"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=7584"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7584\/revisions"}],"predecessor-version":[{"id":7585,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7584\/revisions\/7585"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}