{"id":2946,"date":"2025-06-05T15:16:17","date_gmt":"2025-06-05T07:16:17","guid":{"rendered":"https:\/\/machinedwasher.com\/?post_type=product&p=2946"},"modified":"2025-06-05T15:24:25","modified_gmt":"2025-06-05T07:24:25","slug":"square-u-bolts","status":"publish","type":"product","link":"https:\/\/machinedwasher.com\/el\/products\/square-u-bolts\/","title":{"rendered":"Square U Bolts Square U Bolt 2 Inch Galvanized Square U Bolt with Nuts and Plates"},"content":{"rendered":"

What Are Square U Bolts?<\/strong><\/h3>\n

Square U bolts<\/strong> are specialized U shaped fasteners with a square or rectangular bend profile (instead of the traditional semicircular bend). They are designed to provide superior load distribution and stability when securing square\/rectangular objects like structural beams, pipes, or machinery components.<\/p>\n

\n

Specifications of Square U Bolts<\/strong><\/h3>\n

1. Material<\/strong><\/h4>\n
    \n
  • \n

    Carbon Steel (Grade 5\/8)<\/strong>: High tensile strength for industrial use.<\/p>\n<\/li>\n

  • \n

    Stainless Steel (304\/316)<\/strong>: Corrosion-resistant for marine\/chemical environments.<\/p>\n<\/li>\n

  • \n

    Alloy Steel (AISI 4140)<\/strong>: Heat-treated for extreme load applications (e.g., mining).<\/p>\n<\/li>\n<\/ul>\n

    2. Surface Treatment<\/strong><\/h4>\n
      \n
    • \n

      Hot-Dip Galvanized<\/strong>: Zinc coating for outdoor\/rust-prone areas (ASTM A153).<\/p>\n<\/li>\n

    • \n

      Electro-Galvanized<\/strong>: Smooth finish for moderate protection.<\/p>\n<\/li>\n

    • \n

      Xylan\u00ae Coated<\/strong>: Low-friction, chemical-resistant polymer coating.<\/p>\n<\/li>\n<\/ul>\n

      3. Common Specifications<\/strong><\/h4>\n
        \n
      • \n

        Bolt Diameter<\/strong>: 8mm\u201336mm (M8\u2013M36).<\/p>\n<\/li>\n

      • \n

        Inside Width<\/strong>: 25mm\u2013300mm (customizable).<\/p>\n<\/li>\n

      • \n

        Thread Length<\/strong>: 50mm\u2013200mm (adjustable).<\/p>\n<\/li>\n

      • \n

        Standards<\/strong>: DIN 3570, ISO 1461, ASME B18.2.1.<\/p>\n<\/li>\n<\/ul>\n

        4. Applications<\/strong><\/h4>\n
          \n
        • \n

          Construction<\/strong>: Fixing square steel beams in bridges\/prefab buildings.<\/p>\n<\/li>\n

        • \n

          Transportation<\/strong>: Securing rail tracks to wooden\/concrete sleepers.<\/p>\n<\/li>\n

        • \n

          Energy<\/strong>: Mounting solar panel frames to square tubing.<\/p>\n<\/li>\n

        • \n

          Mining<\/strong>: Anchoring heavy equipment to square structural members.<\/p>\n<\/li>\n<\/ul>\n

          \n

          Excellent Case: High-Speed Rail Track Stabilization<\/strong><\/h3>\n

          Challenge<\/strong>:
          \nA high-speed rail project required vibration-resistant fasteners to prevent track gauge widening on concrete sleepers, which caused safety risks at 300+ km\/h speeds.<\/p>\n

          Solution<\/strong>:<\/p>\n

            \n
          • \n

            Installed\u00a0hot-dip galvanized square U bolts<\/strong>\u00a0(M24, 120mm inside width) with:<\/p>\n

              \n
            • \n

              Square Bend<\/strong>: Perfectly matched sleeper grooves for 100% contact.<\/p>\n<\/li>\n

            • \n

              Locking Nuts<\/strong>: Vibration-proof to DIN 985 standard.<\/p>\n<\/li>\n

            • \n

              Nylon Washers<\/strong>: Electrically insulated to prevent stray currents.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

              Results<\/strong>:<\/p>\n

                \n
              • \n

                Track alignment deviation reduced by\u00a090%<\/strong>.<\/p>\n<\/li>\n

              • \n

                Maintenance intervals extended from\u00a03 months to 2 years<\/strong>.<\/p>\n<\/li>\n

              • \n

                Passed\u00a0EN 13481-5<\/strong>\u00a0high-speed rail certification.<\/p>\n<\/li>\n<\/ul>\n

                \n

                Key Advantages<\/strong><\/h3>\n

                \u2714\u00a0Optimized Grip<\/strong>: Square shape eliminates rotation on flat surfaces.
                \n\u2714\u00a0Heavy-Duty<\/strong>: 30% higher load capacity vs round U bolts.
                \n\u2714\u00a0Custom Designs<\/strong>: Available with serrated flanges or rubber liners.<\/p>\n

                Need square U bolts for your project? Contact our engineers today! \ud83d\ude86<\/p>","protected":false},"excerpt":{"rendered":"

                Square U Bolts Square U Bolt 2 Inch Galvanized Square U Bolt<\/p>","protected":false},"featured_media":2949,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[33],"product_tag":[510,507,506,511,504,512,509,505,508],"class_list":{"0":"post-2946","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-u-bolts","7":"product_tag-4-inch-square-u-bolt","8":"product_tag-cnc-machined-square-u-bolt","9":"product_tag-galvanized-square-u-bolt","10":"product_tag-large-square-u-bolt","11":"product_tag-square-u-bolt","12":"product_tag-square-u-bolt-kit","13":"product_tag-square-u-bolt-stainless","14":"product_tag-square-u-bolts","15":"product_tag-stainless-square-u-bolt","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/product\/2946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/comments?post=2946"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/media\/2949"}],"wp:attachment":[{"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/media?parent=2946"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/product_brand?post=2946"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/product_cat?post=2946"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/machinedwasher.com\/el\/wp-json\/wp\/v2\/product_tag?post=2946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}