{"id":658,"date":"2025-10-29T07:35:49","date_gmt":"2025-10-29T07:35:49","guid":{"rendered":"https:\/\/mj-anchor.com\/product\/din-6921-hexagon-flange-bolts\/"},"modified":"2025-10-31T07:53:27","modified_gmt":"2025-10-31T07:53:27","slug":"din-6921-hexagon-flange-bolts","status":"publish","type":"product","link":"https:\/\/mj-anchor.com\/de\/product\/din-6921-hexagon-flange-bolts\/","title":{"rendered":"DIN 6921 Hexagon Flange Bolts"},"content":{"rendered":"

Product Details<\/strong><\/h4>\n

Our Partially Threaded DIN 6921 Hex Flange Bolts are defined by their unique geometry and protective coating. The partially threaded<\/strong> design incorporates a smooth, unthreaded shank (grip length) that is designed to bear shear loads, making it significantly stronger in these applications than a fully threaded bolt. This ensures that the threads are protected from damaging lateral forces and that the joint maintains precise alignment.<\/p>\n

The fastener is coated with Yellow Zinc Plating (YZP)<\/strong>. This two-step process involves electroplating a layer of zinc onto the carbon steel bolt, followed by the application of a yellow chromate conversion coating. This chromate layer not only gives the bolt its distinctive iridescent gold finish but also provides a significant increase in corrosion resistance compared to standard clear or blue zinc plating, making it suitable for use in moderately corrosive environments. The integrated flange distributes clamping pressure over a wider area, preventing pull-through and enhancing the bolt’s resistance to vibrational loosening.<\/p>\n

Product Parameters<\/strong><\/h4>\n

The technical specifications for our Yellow Zinc Plated Partially Threaded DIN 6921 Hex Flange Bolts are provided below for your reference.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/strong><\/td>\nYellow Zinc Plated Hexagon Flange Bolts DIN 6921 (Partially Threaded)<\/td>\n<\/tr>\n
Standard<\/strong><\/td>\nDIN 6921<\/td>\n<\/tr>\n
Material<\/strong><\/td>\nCarbon Steel<\/td>\n<\/tr>\n
Property Class \/ Grade<\/strong><\/td>\n4.8, 8.8, 10.9, 12.9<\/td>\n<\/tr>\n
Surface Treatment<\/strong><\/td>\nYellow Zinc Plated (YZP)<\/td>\n<\/tr>\n
Thread Style<\/strong><\/td>\nPartially Threaded<\/td>\n<\/tr>\n
Diameter Range<\/strong><\/td>\nM4 – M24<\/td>\n<\/tr>\n
Measurement System<\/strong><\/td>\nMetric<\/td>\n<\/tr>\n
Brand Name<\/strong><\/td>\nDuojia<\/td>\n<\/tr>\n
Place of Origin<\/strong><\/td>\nHebei, China<\/td>\n<\/tr>\n
Key Feature<\/strong><\/td>\nSuperior Shear Strength & Enhanced Corrosion Resistance<\/td>\n<\/tr>\n
Application<\/strong><\/td>\nAutomotive, Heavy Machinery, Agricultural Equipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Product Features<\/strong><\/h4>\n

These bolts are engineered with several key features to deliver exceptional performance in demanding applications:<\/p>\n

    \n
  • Superior Shear Strength:<\/strong> The solid, unthreaded portion of the shank provides maximum resistance to lateral and shear forces, ensuring joint integrity in critical structural connections.<\/li>\n
  • Enhanced Corrosion Resistance:<\/strong> The Yellow Zinc Plated finish with a chromate conversion coating offers robust protection against rust and corrosion, outperforming standard clear zinc finishes.<\/li>\n
  • Integrated Anti-Vibration Flange:<\/strong> The built-in flange acts as a washer to distribute load, protect the joint surface, and provide excellent resistance to loosening in high-vibration environments.<\/li>\n
  • High-Tensile Strength:<\/strong> Forged from high-quality carbon steel and available in high-strength grades (e.g., 8.8, 10.9), these bolts provide the reliable clamping force needed for heavy-duty applications.<\/li>\n
  • DIN 6921 Standard Compliance:<\/strong> Manufactured to precise international standards, guaranteeing dimensional accuracy, consistent quality, and full interchangeability.<\/li>\n<\/ul>\n

    Product Applications<\/strong><\/h4>\n

    The combination of shear strength and enhanced corrosion protection makes these bolts highly suitable for a variety of industries:<\/p>\n

      \n
    • Automotive Industry:<\/strong> Widely used for securing suspension components, engine mounts, subframes, and other chassis parts that are subject to both shear stress and environmental exposure.<\/li>\n
    • Agricultural Machinery:<\/strong> Ideal for assembling tractors, plows, harvesters, and other farm equipment where durability and resistance to moisture and fertilizers are required.<\/li>\n
    • Construction & Heavy Equipment:<\/strong> Perfect for assembling construction machinery, heavy-duty rigging, and other equipment where strong, vibration-resistant joints are critical.<\/li>\n
    • General Industrial Assembly:<\/strong> An excellent choice for mechanical equipment, conveyor systems, and manufacturing machinery that requires a robust fastener with good environmental resistance.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Engineered for applications demanding both high shear strength and enhanced corrosion resistance, our Yellow Zinc Plated DIN 6921 Hex Flange Bolts are a superior fastening solution. These bolts feature a specialized partially threaded design with a solid unthreaded shank, providing maximum resistance to lateral forces in structural joints. The integrated flange head simplifies assembly by eliminating the need for a separate washer, while the Yellow Zinc Plated finish offers increased durability and protection against rust. Manufactured from high-strength carbon steel and conforming to the DIN 6921 standard, these bolts are the ideal choice for automotive, agricultural, and industrial machinery where performance and longevity are paramount.<\/p>","protected":false},"featured_media":1271,"template":"","meta":[],"product_brand":[],"product_cat":[177],"product_tag":[102,122,175,179,180,181],"class_list":{"0":"post-658","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-flange-bolt","7":"product_tag-stainless-steel-anchor-bolts","8":"product_tag-anchor-bolts-supplier","9":"product_tag-hex-tap-bolt","10":"product_tag-hex-flange-bolt","11":"product_tag-2-inch-3-bolt-exhaust-flange","12":"product_tag-flange-bolt-sizes","14":"first","15":"instock","16":"shipping-taxable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/product\/658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/media\/1271"}],"wp:attachment":[{"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/media?parent=658"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/product_brand?post=658"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/product_cat?post=658"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mj-anchor.com\/de\/wp-json\/wp\/v2\/product_tag?post=658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}