{"id":5740,"date":"2026-05-14T17:56:48","date_gmt":"2026-05-14T09:56:48","guid":{"rendered":"https:\/\/xzfastener.com\/?post_type=product&p=5740"},"modified":"2026-05-14T18:01:50","modified_gmt":"2026-05-14T10:01:50","slug":"large-size-heavy-hex-bolt-din933-ifi-149-zinc-plated-carbon-steel-fastener","status":"publish","type":"product","link":"https:\/\/xzfastener.com\/vi\/products\/large-size-heavy-hex-bolt-din933-ifi-149-zinc-plated-carbon-steel-fastener\/","title":{"rendered":"DIN 931 Yellow Zinc Plated Carbon Steel Hex Head Bolt Partially Threaded Fastener"},"content":{"rendered":"

Product Description<\/h2>\n

The DIN 931 Yellow Zinc Plated Carbon Steel Hex Head Bolt Partially Threaded Fastener<\/strong> is a standard metric hex bolt designed for reliable fastening in machinery, construction, steel structures, equipment assembly, metal fabrication, and general industrial applications.<\/p>\n

This bolt is manufactured from carbon steel<\/strong> and features a hexagonal head<\/strong>, partially threaded shank<\/strong>, and yellow zinc plated surface finish<\/strong>. The hex head allows easy installation with standard wrenches, sockets, or torque tools. The partially threaded design includes a smooth shank section and a threaded end, making it suitable for applications that require stable positioning and strong fastening engagement.<\/p>\n

The yellow zinc plating<\/strong> provides a gold-colored protective surface that helps improve corrosion resistance and gives the bolt a recognizable industrial appearance.<\/p>\n

\n

Key Features<\/h2>\n
    \n
  • DIN 931 standard hex head bolt<\/li>\n
  • Carbon steel material<\/li>\n
  • Yellow zinc plated surface finish<\/li>\n
  • Partially threaded design<\/li>\n
  • Hex head for easy wrench installation<\/li>\n
  • Suitable for machinery, construction, steel structure, and industrial fastening<\/li>\n
  • Designed for use with matching nuts and washers<\/li>\n
  • Clean yellow-gold metallic appearance<\/li>\n<\/ul>\n
    \n

    Product Specifications<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Item<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
    Product Name<\/td>\nDIN 931 Hex Head Bolt<\/td>\n<\/tr>\n
    Standard<\/td>\nDIN 931<\/td>\n<\/tr>\n
    Material<\/td>\nCarbon Steel<\/td>\n<\/tr>\n
    Surface Treatment<\/td>\nYellow Zinc Plated<\/td>\n<\/tr>\n
    Head Type<\/td>\nHex Head<\/td>\n<\/tr>\n
    Thread Design<\/td>\nPartially Threaded<\/td>\n<\/tr>\n
    Thread Type<\/td>\nMetric Thread<\/td>\n<\/tr>\n
    Body Structure<\/td>\nSmooth Shank + Threaded End<\/td>\n<\/tr>\n
    Surface Color<\/td>\nYellow \/ Gold Zinc Finish<\/td>\n<\/tr>\n
    Application<\/td>\nMachinery, Construction, Steel Structure, Equipment Assembly<\/td>\n<\/tr>\n
    Fastening Method<\/td>\nUsed with Matching Nut or Threaded Hole<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Product Structure<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n
    Part<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
    Hex Head<\/td>\nAllows tightening with a wrench, socket, or torque tool<\/td>\n<\/tr>\n
    Smooth Shank<\/td>\nProvides accurate positioning and stable support in the assembly<\/td>\n<\/tr>\n
    Threaded End<\/td>\nEngages with a nut or internal thread for fastening<\/td>\n<\/tr>\n
    Yellow Zinc Layer<\/td>\nProvides surface protection and yellow-gold appearance<\/td>\n<\/tr>\n
    Carbon Steel Body<\/td>\nOffers practical strength and durability for industrial use<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Material and Surface Treatment<\/h2>\n

    The bolt is made from carbon steel<\/strong>, a widely used material for industrial fasteners. Carbon steel provides good mechanical performance and is suitable for general fastening applications.<\/p>\n

    The surface is treated with yellow zinc plating<\/strong>, which forms a protective coating on the bolt surface. This finish helps reduce oxidation and provides a yellow-gold appearance.<\/p>\n

    \n
    \n\n\n\n\n\n
    Material<\/th>\nSurface Finish<\/th>\nAppearance<\/th>\nMain Benefit<\/th>\n<\/tr>\n<\/thead>\n
    Carbon Steel<\/td>\nYellow Zinc Plated<\/td>\nYellow \/ Gold Metallic<\/td>\nSurface protection and improved appearance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Advantages of DIN 931 Partially Threaded Hex Bolts<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Advantage<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
    Standard Design<\/td>\nDIN 931 provides a recognized dimensional standard for partially threaded hex bolts.<\/td>\n<\/tr>\n
    Easy Installation<\/td>\nHex head design is compatible with common installation tools.<\/td>\n<\/tr>\n
    Stable Assembly<\/td>\nSmooth shank section helps improve positioning in assembled parts.<\/td>\n<\/tr>\n
    Secure Fastening<\/td>\nThreaded end provides reliable engagement with nuts or threaded holes.<\/td>\n<\/tr>\n
    Surface Protection<\/td>\nYellow zinc plating helps protect the carbon steel surface.<\/td>\n<\/tr>\n
    Wide Application<\/td>\nSuitable for machinery, construction, equipment, and metal assembly.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Common Applications<\/h2>\n

    DIN 931 yellow zinc plated carbon steel hex bolts are widely used in industrial and construction fastening projects.<\/p>\n

    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Industry<\/th>\nTypical Application<\/th>\n<\/tr>\n<\/thead>\n
    Machinery<\/td>\nMachine frame assembly, equipment fixing, mechanical connection<\/td>\n<\/tr>\n
    Construction<\/td>\nSteel brackets, support plates, structural components<\/td>\n<\/tr>\n
    Steel Structure<\/td>\nMetal frame connection, beam and plate fastening<\/td>\n<\/tr>\n
    Automotive<\/td>\nBrackets, chassis-related components, repair fastening<\/td>\n<\/tr>\n
    Industrial Equipment<\/td>\nInstallation, maintenance, and heavy-duty assembly<\/td>\n<\/tr>\n
    Metal Fabrication<\/td>\nFabricated parts, welded frames, steel components<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    DIN 931 vs DIN 933<\/h2>\n

    DIN 931 and DIN 933 are both common hex head bolt standards, but their thread designs are different.<\/p>\n

    \n
    \n\n\n\n\n\n\n
    Standard<\/th>\nThread Design<\/th>\nMain Feature<\/th>\n<\/tr>\n<\/thead>\n
    DIN 931<\/td>\nPartially Threaded<\/td>\nHas a smooth shank section and threaded end<\/td>\n<\/tr>\n
    DIN 933<\/td>\nFully Threaded<\/td>\nThread runs along the full bolt body<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    This product is DIN 931<\/strong>, which means it has a partially threaded structure<\/strong>.<\/p>\n

    \n

    Installation Guide<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n
    Step<\/th>\nRecommendation<\/th>\n<\/tr>\n<\/thead>\n
    1. Check Size<\/td>\nConfirm the bolt diameter, length, and thread match the assembly requirement.<\/td>\n<\/tr>\n
    2. Prepare Hole<\/td>\nEnsure the hole diameter is suitable for the bolt shank and thread.<\/td>\n<\/tr>\n
    3. Match Nut<\/td>\nUse a matching metric nut if the bolt is not installed into a tapped hole.<\/td>\n<\/tr>\n
    4. Tighten Properly<\/td>\nUse a suitable wrench, socket, or torque tool.<\/td>\n<\/tr>\n
    5. Final Check<\/td>\nConfirm the bolt is seated correctly and the connection is secure.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Matching Fasteners<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n
    Matching Item<\/th>\nFunction<\/th>\n<\/tr>\n<\/thead>\n
    Hex Nut<\/td>\nProvides threaded locking connection<\/td>\n<\/tr>\n
    Flat Washer<\/td>\nHelps distribute load and protect the surface<\/td>\n<\/tr>\n
    Spring Washer<\/td>\nHelps improve resistance to loosening<\/td>\n<\/tr>\n
    Bolt-Nut-Washer Set<\/td>\nProvides a complete fastening solution<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    FAQ<\/h2>\n

    1. What is a DIN 931 bolt?<\/h3>\n

    A DIN 931 bolt is a metric hex head bolt with a partially threaded shank. It has a hexagonal head, a smooth shank section, and a threaded end.<\/p>\n

    2. What is the material of this bolt?<\/h3>\n

    This bolt is made from carbon steel<\/strong>.<\/p>\n

    3. What is the surface treatment?<\/h3>\n

    The surface treatment is yellow zinc plating<\/strong>.<\/p>\n

    4. Is this bolt fully threaded?<\/h3>\n

    No. This is a partially threaded<\/strong> bolt. The body includes a smooth shank section and a threaded end.<\/p>\n

    5. What is the difference between DIN 931 and DIN 933?<\/h3>\n

    DIN 931 is partially threaded. DIN 933 is fully threaded.<\/p>\n

    6. What tools are used to install this bolt?<\/h3>\n

    It can be installed with a wrench, socket, or torque tool that matches the hex head size.<\/p>\n

    7. Can this bolt be used with nuts and washers?<\/h3>\n

    Yes. This bolt is commonly used with matching metric nuts and washers.<\/p>\n

    8. Where is this bolt commonly used?<\/h3>\n

    It is used in machinery, construction, steel structures, equipment assembly, metal fabrication, and general industrial fastening.<\/p>\n

    \n

    ","protected":false},"excerpt":{"rendered":"

    DIN 931 yellow zinc plated carbon steel hex head bolt with partially threaded shank. Durable metric fastener for machinery, construction, steel structure, equipment assembly, and industrial fastening applications.<\/strong><\/p>","protected":false},"featured_media":5741,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"fastener-coating":[150,220],"fastener-material":[42],"fastener-type":[53,474],"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":{"0":"post-5740","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"fastener-coating-custom-color-coating","7":"fastener-coating-yellow-zinc","8":"fastener-material-carbon-steel","9":"fastener-type-bolts","10":"fastener-type-hex-head-bolt","11":"product_cat-standard-fasteners","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product\/5740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=5740"}],"version-history":[{"count":3,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product\/5740\/revisions"}],"predecessor-version":[{"id":5744,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product\/5740\/revisions\/5744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media\/5741"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=5740"}],"wp:term":[{"taxonomy":"fastener-coating","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/fastener-coating?post=5740"},{"taxonomy":"fastener-material","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/fastener-material?post=5740"},{"taxonomy":"fastener-type","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/fastener-type?post=5740"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product_brand?post=5740"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product_cat?post=5740"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/product_tag?post=5740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}