{"id":5756,"date":"2026-05-22T22:22:27","date_gmt":"2026-05-22T14:22:27","guid":{"rendered":"https:\/\/xzfastener.com\/?post_type=product&p=5756"},"modified":"2026-09-12T12:11:56","modified_gmt":"2026-09-12T04:11:56","slug":"din-931-zinc-plated-carbon-steel-hex-head-bolts-partially-threaded-metric-fasteners","status":"publish","type":"product","link":"https:\/\/xzfastener.com\/zh\/products\/din-931-zinc-plated-carbon-steel-hex-head-bolts-partially-threaded-metric-fasteners\/","title":{"rendered":"DIN 931 \u9540\u950c\u78b3\u94a2\u516d\u89d2\u5934\u87ba\u6813\u90e8\u5206\u87ba\u7eb9\u516c\u5236\u7d27\u56fa\u4ef6"},"content":{"rendered":"

\u4ea7\u54c1\u8bf4\u660e<\/h2>\n

DIN 931 Zinc Plated Carbon Steel Hex Head Bolts<\/strong> are partially threaded metric fasteners designed for machinery assembly, steel structure connection, equipment installation, construction hardware, and general industrial fastening.<\/p>\n

This product features a hex head<\/strong>, carbon steel body<\/strong>, zinc plated surface<\/strong>, \u548c partially threaded shank<\/strong>. Compared with fully threaded bolts, the DIN 931 partial thread design includes a smooth shank section, which helps improve positioning and provides stable support in assembled parts.<\/p>\n

For buyers, this product solves a common procurement problem: choosing the correct bolt type when the application requires a smooth shank plus threaded end<\/strong>, not a fully threaded DIN 933 bolt.<\/p>\n

\n

\u4e3b\u8981\u4ea7\u54c1\u7279\u6027<\/h2>\n
    \n
  • DIN 931 standard hex head bolt<\/li>\n
  • \u78b3\u94a2\u6750\u8d28<\/li>\n
  • Zinc plated surface finish<\/li>\n
  • Partially threaded structure<\/li>\n
  • \u516c\u5236\u87ba\u7eb9\u8bbe\u8ba1<\/li>\n
  • Hex head for wrench or socket installation<\/li>\n
  • Suitable for use with matching nuts and washers<\/li>\n
  • Designed for machinery, construction, equipment, and metal assembly<\/li>\n<\/ul>\n
    \n

    \u4ea7\u54c1\u89c4\u683c<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u9879\u76ee<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n
    \u4ea7\u54c1\u540d\u79f0<\/td>\nDIN 931 \u9540\u950c\u78b3\u94a2\u516d\u89d2\u5934\u87ba\u6813<\/td>\n<\/tr>\n
    \u6807\u51c6\u578b<\/td>\nDIN 931<\/td>\n<\/tr>\n
    \u6750\u8d28<\/td>\n\u78b3\u94a2<\/td>\n<\/tr>\n
    \u8868\u9762\u5904\u7406<\/td>\n\u9540\u950c<\/td>\n<\/tr>\n
    \u8868\u9762\u989c\u8272<\/td>\nSilver Zinc<\/td>\n<\/tr>\n
    \u5934\u578b<\/td>\n\u516d\u89d2\u5934<\/td>\n<\/tr>\n
    \u87ba\u7eb9\u8bbe\u8ba1<\/td>\n\u90e8\u5206\u87ba\u7eb9<\/td>\n<\/tr>\n
    \u87ba\u7eb9\u7c7b\u578b<\/td>\n\u516c\u5236\u87ba\u7eb9<\/td>\n<\/tr>\n
    Body Structure<\/td>\nSmooth Shank + Threaded End<\/td>\n<\/tr>\n
    Fastening Method<\/td>\nUsed with Nut, Washer, or Threaded Hole<\/td>\n<\/tr>\n
    \u4ea7\u54c1\u7c7b\u522b<\/td>\nHex Bolt \/ Partially Threaded Bolt \/ Metric Fastener<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    What Procurement Problems Does This Bolt Solve?<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Purchasing Problem<\/th>\n\u8be5\u4ea7\u54c1\u6709\u4f55\u5e2e\u52a9<\/th>\n<\/tr>\n<\/thead>\n
    Wrong standard selection<\/td>\nDIN 931 is clearly used for partially threaded hex bolts.<\/td>\n<\/tr>\n
    Confusion with DIN 933<\/td>\nDIN 931 has a smooth shank section, while DIN 933 is fully threaded.<\/td>\n<\/tr>\n
    Need for stable positioning<\/td>\nThe smooth shank helps keep parts aligned during assembly.<\/td>\n<\/tr>\n
    Need for surface protection<\/td>\nZinc plating helps protect the carbon steel surface from oxidation.<\/td>\n<\/tr>\n
    \u5de5\u5177\u517c\u5bb9\u6027<\/td>\nHex head design works with standard wrenches, sockets, and torque tools.<\/td>\n<\/tr>\n
    \u88c5\u914d\u914d\u5957<\/td>\nCan be paired with matching metric nuts and washers.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    DIN 931 vs DIN 933<\/h2>\n
    \n
    \n\n\n\n\n\n\n
    \u6807\u51c6\u578b<\/th>\n\u87ba\u7eb9\u7c7b\u578b<\/th>\n\u4e3b\u8981\u533a\u522b<\/th>\n<\/tr>\n<\/thead>\n
    DIN 931<\/td>\n\u90e8\u5206\u87ba\u7eb9<\/td>\nHas a smooth shank and threaded end<\/td>\n<\/tr>\n
    DIN 933<\/td>\n\u5168\u87ba\u7eb9<\/td>\nThread runs along the full bolt body<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    \u8be5\u4ea7\u54c1\u662f DIN 931<\/strong>, because it has a clear smooth shank section between the hex head and the threaded part.<\/p>\n

    \n

    \u6750\u6599\u548c\u8868\u9762\u5904\u7406<\/h2>\n

    The bolt is made from \u78b3\u94a2<\/strong>, which is widely used in industrial fasteners for practical strength and cost-effective performance.<\/p>\n

    \u7684 zinc plated finish<\/strong> gives the bolt a silver metallic appearance and provides surface protection for general industrial use.<\/p>\n

    \n
    \n\n\n\n\n\n
    \u6750\u8d28<\/th>\n\u8868\u9762\u5904\u7406<\/th>\n\u5916\u89c2<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n
    \u78b3\u94a2<\/td>\n\u9540\u950c<\/td>\n\u94f6\u8272\u91d1\u5c5e<\/td>\nHelps improve surface protection and appearance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    \u4ea7\u54c1\u7ed3\u6784<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n
    \u90e8\u5206<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n
    \u516d\u89d2\u5934<\/td>\nAllows tightening with wrench, socket, or torque tool<\/td>\n<\/tr>\n
    Smooth Shank<\/td>\nHelps with alignment, positioning, and stable assembly<\/td>\n<\/tr>\n
    Threaded End<\/td>\nProvides fastening engagement with nut or threaded hole<\/td>\n<\/tr>\n
    Zinc Plated Layer<\/td>\nProtects the carbon steel surface<\/td>\n<\/tr>\n
    Carbon Steel Body<\/td>\nProvides durable fastening performance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    \u5e38\u89c1\u5e94\u7528<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n
    \u5e94\u7528\u9886\u57df<\/th>\n\u5178\u578b\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n
    \u673a\u68b0\u7ec4\u88c5<\/td>\nMachine frames, equipment bodies, mechanical connections<\/td>\n<\/tr>\n
    \u5efa\u7b51\u4e94\u91d1<\/td>\nSteel brackets, support plates, installation components<\/td>\n<\/tr>\n
    \u94a2\u7ed3\u6784<\/td>\nMetal frame connection and structural component fastening<\/td>\n<\/tr>\n
    Automotive & Repair<\/td>\nBrackets, chassis-related parts, maintenance fastening<\/td>\n<\/tr>\n
    \u5de5\u4e1a\u8bbe\u5907<\/td>\nProduction equipment, fixing systems, replacement bolts<\/td>\n<\/tr>\n
    \u91d1\u5c5e\u52a0\u5de5<\/td>\nSteel plates, fabricated frames, hardware assembly<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Buying Guide for DIN 931 Hex Bolts<\/h2>\n

    When purchasing DIN 931 zinc plated carbon steel hex bolts, buyers should confirm the following information before ordering:<\/p>\n

    \n
    \n\n\n\n\n\n\n\n\n\n\n\n
    \u6240\u9700\u4fe1\u606f<\/th>\n\u4e3a\u4ec0\u4e48\u5b83\u5f88\u91cd\u8981<\/th>\n<\/tr>\n<\/thead>\n
    \u76f4\u5f84<\/td>\nEnsures the bolt fits the hole and nut<\/td>\n<\/tr>\n
    \u957f\u5ea6<\/td>\nDetermines assembly thickness compatibility<\/td>\n<\/tr>\n
    \u87ba\u7eb9\u957f\u5ea6<\/td>\nImportant for partial thread engagement<\/td>\n<\/tr>\n
    \u6750\u8d28<\/td>\nConfirms carbon steel requirement<\/td>\n<\/tr>\n
    \u8868\u9762\u5904\u7406<\/td>\nConfirms zinc plated appearance and protection<\/td>\n<\/tr>\n
    \u6570\u91cf<\/td>\nAffects quotation, packing, and delivery planning<\/td>\n<\/tr>\n
    \u914d\u5957\u96f6\u4ef6<\/td>\nNuts and washers may be required for complete assembly<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    \u5b89\u88c5\u6ce8\u610f\u4e8b\u9879<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n
    \u6b65\u9aa4<\/th>\n\u63a8\u8350<\/th>\n<\/tr>\n<\/thead>\n
    Check Standard<\/td>\nUse DIN 931 when a partially threaded bolt is required.<\/td>\n<\/tr>\n
    Match Thread<\/td>\nUse compatible metric nuts or threaded holes.<\/td>\n<\/tr>\n
    Use Proper Tool<\/td>\nTighten with a matching wrench or socket.<\/td>\n<\/tr>\n
    Add Washer<\/td>\nUse washers when load distribution is required.<\/td>\n<\/tr>\n
    Check Assembly<\/td>\nEnsure the smooth shank and threaded section fit the application correctly.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    \u5e38\u95ee\u95ee\u9898<\/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 hex head, smooth shank section, and threaded end.<\/p>\n

    2. \u8be5\u87ba\u6813\u7531\u4ec0\u4e48\u6750\u6599\u5236\u6210\uff1f<\/h3>\n

    \u8be5\u87ba\u6813\u7531 \u78b3\u94a2<\/strong>.<\/p>\n

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

    \u8868\u9762\u5904\u7406\u662f \u9540\u950c<\/strong>.<\/p>\n

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

    No. This is a partially threaded<\/strong> bolt.<\/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 for installation?<\/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. DIN 931 hex bolts are commonly used with matching metric nuts and washers.<\/p>\n

    8. What applications is this bolt suitable for?<\/h3>\n

    It is suitable for machinery assembly, construction hardware, steel structure connection, equipment installation, metal fabrication, and general industrial fastening.<\/p>\n

    \n

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

    DIN 931 zinc plated carbon steel hex head bolts with partially threaded metric design. Silver zinc fasteners for machinery, construction, steel structure, equipment assembly, and industrial fastening applications.<\/strong><\/p>","protected":false},"featured_media":5757,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"fastener-coating":[33],"fastener-material":[42],"fastener-type":[53,474],"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":{"0":"post-5756","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"fastener-coating-electroplating-zinc","7":"fastener-material-carbon-steel","8":"fastener-type-bolts","9":"fastener-type-hex-head-bolt","10":"product_cat-standard-fasteners","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product\/5756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/comments?post=5756"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product\/5756\/revisions"}],"predecessor-version":[{"id":5758,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product\/5756\/revisions\/5758"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media\/5757"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media?parent=5756"}],"wp:term":[{"taxonomy":"fastener-coating","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/fastener-coating?post=5756"},{"taxonomy":"fastener-material","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/fastener-material?post=5756"},{"taxonomy":"fastener-type","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/fastener-type?post=5756"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product_brand?post=5756"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product_cat?post=5756"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/product_tag?post=5756"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}