{"id":3526,"date":"2025-07-03T10:00:18","date_gmt":"2025-07-03T02:00:18","guid":{"rendered":"https:\/\/machinedwasher.com\/?post_type=product&p=3526"},"modified":"2025-07-03T11:04:04","modified_gmt":"2025-07-03T03:04:04","slug":"conical-washer","status":"publish","type":"product","link":"https:\/\/machinedwasher.com\/it\/products\/conical-washer\/","title":{"rendered":"Aluminum Anodized Conical Washer Concave Convex Countersunk Washers for Screws"},"content":{"rendered":"

What is a Conical Washer?<\/strong><\/h2>\n

A\u00a0conical washer<\/strong>\u00a0(also known as a\u00a0Belleville washer<\/strong>\u00a0or\u00a0disc spring<\/strong>) is a type of washer shaped like a cone or a shallow dish. Unlike flat washers, conical washers are designed to provide spring-like tension when compressed, making them ideal for applications requiring high load-bearing capacity, vibration resistance, and flexibility under dynamic forces.<\/p>\n

These washers are commonly used in bolted joints to maintain clamping force, compensate for thermal expansion, absorb shocks, and prevent loosening due to vibrations.<\/p>\n

\n

Materials<\/strong><\/h2>\n

Conical washers are manufactured from various materials to suit different industrial needs, including:<\/p>\n

    \n
  • \n

    Carbon Steel<\/strong>\u00a0\u2013 The most common material, offering high strength and durability for general applications.<\/p>\n<\/li>\n

  • \n

    Stainless Steel<\/strong>\u00a0(e.g., AISI 304, AISI 316) \u2013 Provides excellent corrosion resistance, making it suitable for marine, chemical, and food-processing industries.<\/p>\n<\/li>\n

  • \n

    Alloy Steel<\/strong>\u00a0\u2013 Heat-treated for enhanced hardness and fatigue resistance, often used in heavy machinery and automotive applications.<\/p>\n<\/li>\n

  • \n

    Phosphor Bronze<\/strong>\u00a0\u2013 Offers good conductivity and resistance to wear, used in electrical and electronic components.<\/p>\n<\/li>\n

  • \n

    Inconel & Titanium<\/strong>\u00a0\u2013 High-performance materials for extreme environments, such as aerospace and nuclear industries.<\/p>\n<\/li>\n<\/ul>\n

    \n

    Surface Treatments<\/strong><\/h2>\n

    To improve performance and longevity, conical washers may undergo various surface treatments:<\/p>\n

      \n
    • \n

      Zinc Plating<\/strong>\u00a0\u2013 Enhances corrosion resistance for steel washers.<\/p>\n<\/li>\n

    • \n

      Black Oxide Coating<\/strong>\u00a0\u2013 Provides mild corrosion resistance and reduces light reflection.<\/p>\n<\/li>\n

    • \n

      Passivation<\/strong>\u00a0(for stainless steel) \u2013 Removes free iron particles to improve corrosion resistance.<\/p>\n<\/li>\n

    • \n

      Electropolishing<\/strong>\u00a0\u2013 Smooths the surface for better fatigue resistance and aesthetics.<\/p>\n<\/li>\n

    • \n

      Cadmium Plating<\/strong>\u00a0(for aerospace applications) \u2013 Offers excellent corrosion protection and lubricity.<\/p>\n<\/li>\n<\/ul>\n

      \n

      Specifications<\/strong><\/h2>\n

      Conical washers come in various dimensions and load capacities, typically defined by:<\/p>\n

        \n
      • \n

        Outer Diameter (OD)<\/strong>\u00a0\u2013 Ranging from a few millimeters to over 100 mm.<\/p>\n<\/li>\n

      • \n

        Inner Diameter (ID)<\/strong>\u00a0\u2013 Must match the bolt or screw size.<\/p>\n<\/li>\n

      • \n

        Thickness & Cone Height<\/strong>\u00a0\u2013 Determines the spring rate and load capacity.<\/p>\n<\/li>\n

      • \n

        Load Capacity<\/strong>\u00a0\u2013 Measured in Newtons (N) or pounds-force (lbf), depending on material and design.<\/p>\n<\/li>\n

      • \n

        Standards Compliance<\/strong>\u00a0\u2013 DIN 6796 (European standard), ISO 10688 (international), or custom specifications.<\/p>\n<\/li>\n<\/ul>\n

        \n

        Applications <\/strong><\/h2>\n

        Conical washers are widely used in industries where vibration damping, thermal expansion compensation, or high-load retention is required. Key applications include:<\/p>\n

          \n
        • \n

          Industrial Machinery<\/strong>\u00a0\u2013 Heavy presses, hydraulic systems, and bolted flanges.<\/p>\n<\/li>\n

        • \n

          Construction & Infrastructure<\/strong>\u00a0\u2013 Bridge expansion joints and seismic-resistant structures.<\/p>\n<\/li>\n

        • \n

          Energy Sector<\/strong>\u00a0\u2013 Wind turbines, oil rigs, and nuclear power plants.<\/p>\n<\/li>\n

        • \n

          Electronics & Electrical Systems<\/strong>\u00a0\u2013 Circuit breakers and high-voltage connectors.<\/p>\n<\/li>\n<\/ul>\n

          \n

          Excellent Case: Conical Washers in Wind Turbine Blade Bolting<\/strong><\/h2>\n

          Wind turbines operate under extreme dynamic loads, including high winds, vibrations, and temperature fluctuations. The bolted connections in turbine blades must remain secure over decades of use.<\/p>\n

          Solution:<\/strong>\u00a0Engineers use\u00a0high-grade stainless steel conical washers<\/strong>\u00a0in the blade root joints. These washers maintain consistent clamping force, compensating for material relaxation and preventing bolt loosening due to cyclic stresses.<\/p>\n

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

            \n
          • \n

            Extended Bolt Life<\/strong>\u00a0\u2013 Reduced maintenance costs and downtime.<\/p>\n<\/li>\n

          • \n

            Enhanced Safety<\/strong>\u00a0\u2013 Prevents catastrophic failures from loosened bolts.<\/p>\n<\/li>\n

          • \n

            Improved Efficiency<\/strong>\u00a0\u2013 Ensures optimal power generation by maintaining structural integrity.<\/p>\n<\/li>\n<\/ul>\n

            This application demonstrates how conical washers play a critical role in renewable energy infrastructure, proving their reliability in demanding environments.<\/p>","protected":false},"excerpt":{"rendered":"

            Aluminum Anodized Conical Washer Concave Convex Countersunk Washers for Screws<\/p>","protected":false},"featured_media":3546,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[36],"product_tag":[1495,1502,1503,1505,821,800,129,127,1492,1493,1491,1494,1497,1504,1498,1507,1501,1500,1506,1499,1508,125,126,1496],"class_list":{"0":"post-3526","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-machined-washer","7":"product_tag-3-4-conical-washer","8":"product_tag-3mm-countersunk-washer","9":"product_tag-5mm-countersunk-washer","10":"product_tag-aluminum-countersunk-washers","11":"product_tag-cnc-machined-washer","12":"product_tag-cnc-machined-washers","13":"product_tag-cnc-machining-washer","14":"product_tag-cnc-machining-washers","15":"product_tag-conical-washer","16":"product_tag-conical-washer-1-2","17":"product_tag-conical-washers","18":"product_tag-countersunk-conical-washer","19":"product_tag-countersunk-washer","20":"product_tag-countersunk-washer-m5","21":"product_tag-countersunk-washers","22":"product_tag-countersunk-washers-m8","23":"product_tag-m3-countersunk-washer","24":"product_tag-m6-countersunk-washer","25":"product_tag-m6-countersunk-washers","26":"product_tag-m8-countersunk-washer","27":"product_tag-m8-countersunk-washers","28":"product_tag-machined-washer","29":"product_tag-machined-washers","30":"product_tag-spherical-conical-washer","32":"first","33":"instock","34":"shipping-taxable","35":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/product\/3526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/comments?post=3526"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/media\/3546"}],"wp:attachment":[{"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/media?parent=3526"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/product_brand?post=3526"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/product_cat?post=3526"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/machinedwasher.com\/it\/wp-json\/wp\/v2\/product_tag?post=3526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}