{"id":1575,"date":"2020-07-04T06:50:50","date_gmt":"2020-07-04T06:50:50","guid":{"rendered":"http:\/\/fastenerworld.ae\/?post_type=product&p=1575"},"modified":"2026-07-06T08:12:56","modified_gmt":"2026-07-06T08:12:56","slug":"wedge-nut","status":"publish","type":"product","link":"https:\/\/asiabolt.om\/ar\/product\/wedge-nut\/","title":{"rendered":"Wedge Nut"},"content":{"rendered":"

Wedge Nuts \u2013 Wedge Locking Nut Manufacturer & Supplier in UAE<\/h4>\n

Asia Bolts Industries LLC is a specialist Wedge Nut manufacturer and supplier<\/strong> based in Dubai, UAE, delivering high-performance wedge locking fastener solutions to the oil & gas, petrochemical, rail, heavy machinery, power generation, and structural engineering sectors across the GCC and global markets since 1997. Our Wedge Nuts provide a demonstrably superior mechanical locking performance compared to conventional prevailing torque nuts, spring washers, and adhesive-based locking methods \u2014 making them the fastener of choice for critical bolted joints where loosening under vibration or dynamic loading cannot be tolerated.<\/p>\n

\n

What Are Wedge Nuts?<\/h4>\n

Wedge Nuts are locking nuts featuring a specially profiled wedge-shaped bearing face on the underside of the nut. When tightened against a mating surface, the wedge profile creates a cam-action mechanical interlock between the nut bearing face and the joint surface \u2014 generating a positive lock that resists rotation in both the loosening and tightening directions under dynamic loading.<\/p>\n

Unlike conventional locking methods that rely on:<\/p>\n

    \n
  • Friction<\/strong> (nylon insert nuts, prevailing torque nuts) \u2014 which degrades with reuse and temperature<\/li>\n
  • Deformation<\/strong> (crimped nuts, staked nuts) \u2014 which prevents reuse<\/li>\n
  • Adhesives<\/strong> (thread-locking compounds) \u2014 which fail at elevated temperatures and require cure time<\/li>\n
  • Spring force<\/strong> (spring washers, Belleville washers) \u2014 which can relax under sustained load<\/li>\n<\/ul>\n

    Wedge Nuts provide a positive mechanical lock<\/strong> that:<\/p>\n

      \n
    • Remains effective through repeated assembly and disassembly cycles<\/li>\n
    • Performs reliably at elevated temperatures where adhesives and nylon inserts fail<\/li>\n
    • Does not rely on friction coefficient consistency for locking performance<\/li>\n
    • Passes DIN 65151 (junker vibration test)<\/strong> \u2014 the industry-standard vibration resistance test for fasteners<\/li>\n<\/ul>\n
      \n

      How Wedge Nuts Work<\/h4>\n

      The underside bearing face of a Wedge Nut is machined with a cam-profiled wedge surface. When the nut is tightened:<\/p>\n

        \n
      1. The wedge face contacts the mating joint surface at the high point of the cam profile<\/li>\n
      2. As tightening torque is applied, the cam geometry generates an increasing axial clamping force<\/li>\n
      3. Any attempt by the nut to rotate in the loosening direction causes the wedge face to ride up the cam ramp \u2014 increasing<\/strong> bolt tension rather than decreasing it<\/li>\n
      4. The nut is effectively self-locking under both static and dynamic loading conditions<\/li>\n<\/ol>\n

        This cam-action wedge principle means the locking force increases proportionally with any loosening force<\/strong> \u2014 making Wedge Nuts the most mechanically reliable locking nut available for severe vibration environments.<\/p>\n

        \n

        Standards & Specifications<\/h4>\n
        \n\n\n\n\n\n\n\n\n\n\n
        Standard<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
        DIN 25201<\/strong><\/td>\nWedge locking washers \u2014 design guideline<\/td>\n<\/tr>\n
        DIN 65151<\/strong><\/td>\nJunker vibration test for transverse vibration resistance<\/td>\n<\/tr>\n
        ISO 2320<\/strong><\/td>\nPrevailing torque type steel nuts \u2014 mechanical properties<\/td>\n<\/tr>\n
        ISO 898-2<\/strong><\/td>\nMechanical properties of nuts \u2014 carbon and alloy steel<\/td>\n<\/tr>\n
        ASTM A194<\/strong><\/td>\nCarbon and alloy steel nuts for bolting at high pressure<\/td>\n<\/tr>\n
        BS EN 14399<\/strong><\/td>\nHigh-strength structural bolting assemblies<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Custom wedge profiles, non-standard thread sizes, and project-specific material and coating requirements are accommodated through our in-house engineering team.<\/p>\n

        \n

        Materials & Grades Available<\/h4>\n
        \n\n\n\n\n\n\n\n\n\n\n
        Material<\/th>\nGrade \/ Specification<\/th>\nTypical Application<\/th>\n<\/tr>\n<\/thead>\n
        Carbon Steel<\/strong><\/td>\nGrade 8, 10, Class 10<\/td>\nGeneral industrial, structural<\/td>\n<\/tr>\n
        Alloy Steel<\/strong><\/td>\nASTM A194 2H, 4, 7<\/td>\nHigh-pressure, high-temperature O&G<\/td>\n<\/tr>\n
        Stainless Steel<\/strong><\/td>\nAISI 304, 316, 316L<\/td>\nCorrosive environments, chemical plant<\/td>\n<\/tr>\n
        Duplex Steel<\/strong><\/td>\nUNS S31803 (2205)<\/td>\nOffshore, sour service, marine<\/td>\n<\/tr>\n
        Super Duplex<\/strong><\/td>\nUNS S32750 (2507)<\/td>\nSubsea, highly corrosive offshore<\/td>\n<\/tr>\n
        Inconel<\/strong><\/td>\nAlloy 718<\/td>\nHigh-temperature, extreme service<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

        Surface treatment options include zinc electroplating, hot-dip galvanising, PTFE coating (Xylan), Geomet, Dacromet, black oxide<\/strong>, and passivation<\/strong> for stainless grades.<\/p>\n

        \n

        Dimensions & Size Range<\/h4>\n
        \n\n\n\n\n\n\n\n\n\n\n
        Parameter<\/th>\nRange<\/th>\n<\/tr>\n<\/thead>\n
        Thread Size<\/strong><\/td>\nM6 to M100 (metric) | 1\/4″ to 4″ (imperial)<\/td>\n<\/tr>\n
        Thread Form<\/strong><\/td>\nMetric coarse \/ fine, UNC, UNF<\/td>\n<\/tr>\n
        Nut Height<\/strong><\/td>\nStandard \/ thin \/ heavy series<\/td>\n<\/tr>\n
        Property Class<\/strong><\/td>\n8, 10, 12 (metric) | Grade 2H, 4, 7 (ASTM)<\/td>\n<\/tr>\n
        Finish<\/strong><\/td>\nPlain, zinc plated, HDG, PTFE, Geomet<\/td>\n<\/tr>\n
        Tolerance<\/strong><\/td>\nPer ISO 4759-1 \/ customer drawing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        Wedge Nuts<\/strong> by Asia Bolts Industries are precision-engineered wedge locking fasteners that use a patented cam-action wedge surface to create a mechanically secure, vibration-proof bolted joint \u2014 without relying on friction, adhesives, or deformable elements. As the nut is tightened, the wedge-profiled bearing face bites into the mating surface, generating a positive mechanical lock that resists loosening under the most severe vibration, shock loading, dynamic forces, and thermal cycling conditions encountered in oil & gas, rail, heavy machinery, and structural applications.<\/p>\n

        Manufactured to DIN 25201, ISO 2320<\/strong>, and customer specification<\/strong> in carbon steel, stainless steel, alloy steel, and duplex grades, our Wedge Nuts are produced at our Dubai Investment Park<\/strong> facility under ISO 9001, ISO 45001, and ISO 14001<\/strong> certified quality systems and exported to 70+ countries<\/strong> across the GCC, Middle East, Africa, and Asia.<\/p>\n

        \u2705 Positive mechanical lock \u2014 no adhesives or deformable elements
        \n\u2705 Reusable \u2014 maintains locking performance through multiple assembly cycles
        \n\u2705 Carbon steel, stainless steel, alloy & duplex grades available
        \n\u2705 Standard & custom configurations manufactured on request
        \n\u2705 Full MTC documentation & batch traceability provided
        \n\u2705 ISO 9001 \u00b7 ISO 45001 \u00b7 ISO 14001 certified
        \n\u2705 Approved vendor: Saudi Aramco | ADNOC | SABIC<\/p>","protected":false},"featured_media":2168,"template":"","meta":{"_kadence_starter_templates_imported_post":false},"product_brand":[],"product_cat":[34],"product_tag":[174],"class_list":["post-1575","product","type-product","status-publish","has-post-thumbnail","product_cat-nuts","product_tag-wedge-nut","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product\/1575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/media\/2168"}],"wp:attachment":[{"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/media?parent=1575"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product_brand?post=1575"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product_cat?post=1575"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/asiabolt.om\/ar\/wp-json\/wp\/v2\/product_tag?post=1575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}