Hex Flange Nuts

Grade One Fasteners is a reliable Hex Flange Nuts Manufacturer in India, supplying precision-engineered fastening solutions for construction, machinery, automotive, infrastructure, engineering and industrial applications. Our Hex Flange Nuts are designed with an integrated flange that provides a larger bearing surface and helps distribute the fastening load more effectively. A Hex Flange Nut combines the functionality of a conventional hex nut with a washer-like flange. This design can reduce the requirement for a separate washer in suitable assemblies and provides a stable fastening surface. Depending on the application, Hex Flange Nuts may be supplied in standard or serrated flange configurations. We manufacture and supply Hex Flange Nuts in different sizes, materials, thread configurations, grades and surface finishes according to customer and application requirements. What Are Hex Flange Nuts? A Hex Flange Nut is a hexagonal internally threaded fastener with an integrated circular flange at its base. The flange increases the contact area between the nut and the component being fastened. The main purpose of the flange is to distribute the clamping load over a larger surface area. This makes Hex Flange Nuts suitable for assemblies involving machinery, fabricated structures, automotive components and industrial equipment. Compared with a standard nut and separate washer combination, a flange nut provides an integrated fastening design. The correct selection of a Hex Flange Nut depends on factors such as load requirements, vibration, material compatibility, thread type, environmental conditions and applicable project specifications. Types of Hex Flange Nuts Standard Hex Flange Nuts Standard Hex Flange Nuts feature a smooth flange surface. They are commonly used where load distribution and a larger bearing surface are required without additional locking serrations. Serrated Hex Flange Nuts Serrated Hex Flange Nuts have serrations on the underside of the flange. In suitable applications, these serrations can increase resistance to rotational movement after installation. The suitability of serrated flange nuts should always be evaluated based on the mating surface and application requirements. Metric Hex Flange Nuts Metric Hex Flange Nuts are manufactured with metric thread systems and can be supplied in different diameters and pitch configurations according to applicable standards and customer requirements. Stainless Steel Hex Flange Nuts Stainless Steel Hex Flange Nuts are selected for applications requiring corrosion resistance and durability in demanding environments. Common industrial material options may include stainless steel grades selected according to the required mechanical and environmental performance. Carbon Steel and Alloy Steel Hex Flange Nuts Carbon Steel and Alloy Steel Hex Flange Nuts are commonly used for industrial applications where strength and mechanical performance are important. Material and property class selection should be matched with the bolt or threaded component used in the assembly. Hex Flange Nuts Specifications Specification Available Options Product Hex Flange Nuts Design Standard Flange / Serrated Flange Thread Type Metric / Inch / Custom Thread Material Carbon Steel, Mild Steel, Alloy Steel, Stainless Steel and other materials as required Sizes Standard and custom sizes as per requirement Grades Different mechanical grades and property classes as required Surface Finish Self Finish, Zinc Plated, Hot Dip Galvanized, Black Oxide and other finishes Manufacturing Cold Forming, Hot Forging or Machining depending on size and material Application Construction, Automotive, Machinery, Infrastructure, Engineering and Industrial Equipment Supply Manufacturer and Supplier in India Hex Flange Nut Materials Material selection plays an important role in the performance and service life of industrial fasteners. Stainless Steel Stainless Steel Hex Flange Nuts are commonly selected for applications where corrosion resistance is important. They may be used in chemical processing, marine environments, food equipment, water systems and outdoor industrial installations depending on the grade selected. Carbon Steel Carbon Steel Hex Flange Nuts are widely used in general industrial and engineering applications. They can be supplied with suitable coatings or finishes based on corrosion protection requirements. Mild Steel Mild Steel Hex Flange Nuts can be used in general fabrication, structural assemblies and industrial equipment where application conditions allow. Alloy Steel Alloy Steel Hex Flange Nuts are selected for applications requiring higher mechanical strength and demanding operating performance. Special Materials For specialised industrial requirements, Hex Flange Nuts may also be manufactured using materials selected for high temperature, corrosion resistance, chemical exposure or other project-specific operating conditions. Hex Flange Nuts Size Chart Thread Size Thread System Typical Application M5 Metric Light Industrial Assemblies M6 Metric Machinery and Equipment M8 Metric Automotive and Engineering M10 Metric Industrial Machinery M12 Metric Construction and Structural Equipment M16 Metric Heavy Industrial Applications M20 and Above Metric Heavy Duty and Custom Applications Inch Sizes UNC / UNF / Other Export and Special Requirement Applications Actual dimensions, flange diameter, nut height, width across flats and thread requirements should be selected according to the applicable drawing or required standard. Hex Flange Nuts Standards Hex Flange Nuts can be manufactured or supplied according to applicable international and project-specific standards. Common references in the industry include DIN 6923, ISO 4161 and JIS B1190, depending on the product design and customer requirement. BIS also lists IS 15581:2018 for hexagon nuts with flange, style 2, coarse thread. For project-specific requirements, Grade One Fasteners can review the required dimensions, material, thread configuration, mechanical requirements and finish before supply. Why Use Hex Flange Nuts? Hex Flange Nuts offer several advantages in suitable fastening applications. Larger Bearing Surface The integrated flange increases the contact area between the nut and the assembled component. This helps distribute the fastening load over a wider surface. Reduced Requirement for Separate Washers In suitable assemblies, the integrated flange can eliminate the need for a separate washer, simplifying the fastening arrangement. Faster Assembly Using a nut with an integrated flange can reduce the number of individual components handled during assembly. Reliable Industrial Fastening When correctly specified and installed, Hex Flange Nuts provide a practical fastening solution for industrial, engineering and machinery applications. Available in Different Materials and Finishes Hex Flange Nuts can be selected according to environmental conditions, strength requirements and industry specifications. Hex Flange Nuts Applications Construction Industry Hex Flange Nuts are used in fabricated structures, construction machinery, equipment installations and other fastening