Flange Nut Manufacturer🌍 Global Fastener Exporter📦 Serrated & Non-Serrated Flange Nuts✅ ASME B18.2.2 & DIN 6923 Compliant✔️ Superior Load Distribution & Vibration Resistance🏭 Made in Mumbai, India
Flange Nuts Manufacturer, Exporter & Supplier in Mumbai, India | Global Worldwide
Dipti Metal Industries is a leading Flange Nuts manufacturer, Flange Nuts exporter, and worldwide Flange Nuts supplier from Mumbai, India, specializing in high-quality Flange Nuts. We provide hexagonal nuts with an integrated, non-spinning washer-like flange, available in both serrated and non-serrated configurations. These nuts are meticulously engineered for superior load distribution, enhanced vibration resistance, and highly secure fastening in critical applications. Our flange nuts are extensively used in the automotive industry, heavy equipment, industrial machinery, and various structural assemblies where a broad bearing surface and anti-loosening properties are paramount. We offer a comprehensive range of diameters, various materials (carbon steel, stainless steel, alloy steel), and protective coatings (Hot-dip Galvanized, Zinc Plated, Black Oxide). All products conform to major international standards (ASME B18.2.2, DIN 6923, ISO 4161) ensuring reliable strength and long-term performance without the need for a separate washer. We offer custom manufacturing, advanced testing, and fast worldwide deliveries, supporting diverse industrial projects with dependable fastening solutions globally.
Overview: Dipti Metal Industries' Leadership in Flange Nut Manufacturing & Supply
Dipti Metal Industries is a premier Flange Nuts manufacturer, Flange Nuts exporter, and worldwide Flange Nuts supplier of high-quality Flange Nuts from our advanced facilities in Mumbai, India. Recognized globally for our expertise in specialized industrial fasteners, we provide essential load-distributing and self-locking bolting solutions for critical applications across various sectors. Our flange nuts are meticulously engineered with an integrated washer-like base, available in both serrated and non-serrated designs, to ensure superior clamping force, enhanced vibration resistance, and protection for the fastened surface, providing reliable performance in demanding environments.
With decades of experience, Dipti Metal Industries designs and produces flange nuts in strict adherence to international standards, including ASME B18.2.2, DIN 6923, and ISO 4161. We offer a comprehensive range of diameters, supplied in various materials (e.g., carbon steel, stainless steel, alloy steel) and protective finishes (e.g., Hot-dip Galvanized, Zinc Plated). Our commitment to precision manufacturing, rigorous quality control, and full material traceability makes us the trusted partner for dependable and long-lasting fastening solutions globally, ensuring the safety and efficiency of automotive, heavy equipment, and structural systems.
Key Features & Benefits of Dipti Metal Industries' Flange Nuts
Dipti Metal Industries' Flange Nuts are expertly designed and manufactured to provide exceptional strength, reliability, and functionality in load-bearing and vibration-prone fastening applications. Here are the key features and the significant benefits they deliver:
Integrated Washer-like Flange: Features a wide circular flange at the base, which acts as a built-in washer, distributing the clamping force over a larger area. This protects the fastened material from damage and provides a more secure connection.
Superior Load Distribution: The wider bearing surface of the flange reduces localized stress on the bolted joint, making it ideal for use with softer materials, oversized holes, or applications where material integrity is critical.
Enhanced Vibration Resistance (Serrated): Serrated flange nuts feature teeth on the bearing surface that bite into the fastened material, creating a locking action. This significantly resists loosening due to vibration, preventing joint failure in dynamic environments.
Simplifies Assembly & Reduces Costs: By integrating the washer function, flange nuts eliminate the need for a separate washer, streamlining the assembly process, reducing component count, lowering inventory costs, and simplifying procurement.
Prevents Loosening: The combination of increased friction (with serrations) and broader surface contact provides excellent resistance against rotational loosening, ensuring the long-term integrity of the bolted joint.
Versatile Material & Finish Options: Available in a wide range of materials such as carbon steel, alloy steel, and stainless steel, and offered with various protective finishes, ensuring suitability for diverse strength, corrosion, and environmental conditions.
Durable & Reliable: Precision manufacturing and the use of high-grade materials ensure that our flange nuts are highly durable and provide long-term, secure fastening performance even in demanding industrial applications.
Our Comprehensive Product Range: Flange Nuts
Dipti Metal Industries manufactures and supplies an extensive and high-quality range of Flange Nuts from Mumbai, India. We offer diverse types, materials, finishes, and dimensions, custom-engineered to meet the precise fastening requirements of your industrial applications globally.
1. Flange Nut Types & Configurations
Hex Flange Nuts: Standard hexagonal body with an integrated circular flange.
Serrated Flange Nuts: Features radial serrations on the bearing surface of the flange to create a self-locking mechanism and prevent loosening from vibration.
Non-Serrated Flange Nuts (Smooth Flange Nuts): Features a smooth bearing surface on the flange, suitable for applications where marring of the mating surface is a concern or where separate locking mechanisms are used.
Locking Flange Nuts (Nylon Insert): Incorporates a nylon insert within the flange to provide additional prevailing torque, enhancing self-locking capabilities.
Custom Designs: Available for specialized applications requiring unique dimensions, materials, or features.
2. Materials
We manufacture flange nuts from various materials chosen for their strength, durability, and corrosion resistance:
Carbon Steel:
ASTM A563 Grade A, B, C, D: Standard grades for general industrial and structural applications.
SAE J995 Grades 2, 5, 8: Common for automotive and heavy equipment applications, offering increasing strength.
Alloy Steel: For enhanced strength and specific performance needs in critical applications.
Stainless Steel:
AISI 304 / 304L: Excellent corrosion resistance for general applications, outdoor, and marine environments.
AISI 316 / 316L: Superior corrosion resistance, particularly in aggressive chloride or chemical environments.
3. Dimensions & Thread Types
Diameter Range (Imperial): From 1/4" to 4" and larger (e.g., 1/2"-13 UNC, 3/4"-10 UNC, 1"-8UNC).
Diameter Range (Metric): From M6 to M100 and larger (e.g., M12x1.75, M20x2.5).
Thread Standards: Unified National Coarse (UNC), Unified National Fine (UNF), Metric Coarse, Metric Fine (as per ASME B1.1).
Flange Diameter: Conforming to standard specifications (e.g., ASME B18.2.2, DIN 6923) to ensure optimal load distribution.
4. Finish Options
Various protective coatings are available to enhance durability, corrosion resistance, and aesthetics:
Plain Finish (Self-Color): The raw, uncoated finish, often used when aesthetics are not critical or for subsequent in-situ coatings.
Hot-dip Galvanized (HDG): Applied to ASTM A153/A123 standards, providing excellent long-term corrosion protection for outdoor, marine, and exposed industrial environments, particularly for structural applications.
Electro-galvanized (Zinc Plated): Offers moderate corrosion resistance and a bright, clean appearance. Available in various chromate colors (e.g., clear, yellow, black) for added protection.
Black Oxide: Provides a mild corrosion barrier and a decorative black finish, commonly used for internal components or where a low-reflectivity surface is desired.
Chrome Plated: For decorative applications requiring a bright, hard, and corrosion-resistant finish.
Technical Specifications: Dipti Metal Industries' Flange Nuts
Our Flange Nuts are manufactured to stringent technical specifications, ensuring high mechanical properties, precise dimensions, and compliance with global industry standards for reliable load distribution and vibration resistance.
Parameter
Typical Range / Standard
Material Types
Carbon Steel (e.g., ASTM A563 Gr. A, B, C, D; SAE J995 Gr. 2, 5, 8), Alloy Steel, Stainless Steel (304, 316, 316L)
Manufacturing Standard
ASME B18.2.2, DIN 6923, ISO 4161, Customer Specific Drawings
Mechanical Properties (Typical for Steel - varies by grade)
Proof Load (min)
Varies by Grade (e.g., 90 ksi for SAE Grade 8 equivalent)
Tensile Strength (min)
Varies by Grade
Hardness (range)
Varies by Grade (e.g., C24-C38 Rockwell C for SAE Grade 8 equivalent)
Dimensional & Performance
Thread Standard
ASME B1.1 Unified National Coarse (UNC) 2B, Unified National Fine (UNF) 2B; Metric Coarse/Fine
Diameter Range
Imperial: 1/4" to 4" and larger; Metric: M6 to M100 and larger
Automotive, Heavy Equipment, Machinery, Structural
Testing & Inspection
Chemical Analysis, Mechanical Testing (Proof Load, Hardness), Dimensional Inspection, Thread Gauging, Coating Thickness Test, Salt Spray Test (for plated finishes)
Certifications & Documentation
EN 10204 Type 3.1/3.2 MTC (Material Test Certificate), ISO 9001
Dipti Metal Industries ensures that all Flange Nuts meet these stringent specifications, providing comprehensive technical data and certification for every order to guarantee reliability and performance in critical load-bearing and vibration-resistant applications.
Industries & Applications for Dipti Metal Industries' Flange Nuts
Dipti Metal Industries' high-quality Flange Nuts are crucial fasteners across a vast range of industries, providing superior load distribution and exceptional resistance to vibration. Our robust solutions are trusted in demanding applications worldwide.
Automotive Industry: Widely utilized in vehicle manufacturing for engines, transmissions, exhaust systems, chassis, suspension components, and wheel assemblies where fasteners are subjected to constant vibration and dynamic loads.
Heavy Equipment & Agricultural Machinery: Indispensable in construction equipment (e.g., excavators, loaders, dozers), mining machinery, and agricultural vehicles (e.g., tractors, harvesters) for securing critical components that experience high stress, impact, and continuous vibration.
Industrial Machinery & Manufacturing: Employed in a broad range of industrial machines, pumps, motors, conveyors, and automated assembly lines where maintaining joint integrity under dynamic operating conditions is essential.
Structural Steel & Metal Fabrication: Used in connecting structural members, framework, and various metal assemblies, particularly where a broader bearing surface is required to distribute loads effectively and prevent material deformation.
Appliances & Consumer Goods: For securing components in washing machines, refrigerators, air conditioning units, and other household and commercial appliances where stable, vibration-resistant fastening is paramount for product longevity and performance.
Marine Applications: Stainless steel flange nuts are used in shipbuilding and marine equipment for their corrosion resistance and ability to withstand vibration in demanding maritime environments.
Electrical & Electronic Equipment: In certain heavy-duty electrical enclosures, control panels, and large electronic assemblies where reliable, vibration-proof connections are necessary.
The exceptional load-distributing capabilities, vibration resistance, and simplified assembly offered by Dipti Metal Industries' Flange Nuts make them the preferred choice for ensuring the safety, integrity, and longevity of critical bolted connections across these diverse and demanding global sectors.
Flange Nuts Export Countries & Cities We Manufacture & Supply From India To
Dipti Metal Industries is a proud Worldwide Manufacturer, Exporter, Global Supplier, Leading Dealer, and Biggest Stockist of Flange Nuts, with an extensive network. We ensure timely and compliant delivery of our premium products, manufactured in our facilities, to major industrial hubs across the globe, with a strong focus on critical industrial regions worldwide, solidifying our position as a top international manufacturing and trading partner.
Explore Our Global Reach
Austria: Vienna, Salzburg
Belgium: Antwerp, Brussels, Ghent
Bulgaria: Sofia, Plovdiv
Croatia: Zagreb, Split
Czech Republic: Prague, Brno
Denmark: Copenhagen, Aarhus
Estonia: Tallinn, Tartu
Finland: Helsinki, Tampere
France: Paris, Marseille, Lyon (Key for Automotive & Industrial)
Germany: Frankfurt, Hamburg, Munich, Düsseldorf (Primary for Automotive, Machinery & Heavy Equipment)
Greece: Athens, Thessaloniki
Hungary: Budapest, Debrecen
Ireland: Dublin, Cork
Italy: Milan, Rome, Genoa
Latvia: Riga, Daugavpils
Lithuania: Vilnius, Kaunas
Luxembourg: Luxembourg City
Netherlands: Rotterdam, Amsterdam, The Hague (Key for General Industry)
Norway: Oslo, Bergen
Poland: Warsaw, Krakow
Portugal: Lisbon, Porto
Romania: Bucharest, Cluj-Napoca
Russia: Moscow, Saint Petersburg, Kazan
Serbia: Belgrade, Novi Sad
Slovakia: Bratislava, Košice
Slovenia: Ljubljana, Maribor
Spain: Madrid, Barcelona, Valencia
Sweden: Stockholm, Gothenburg
Switzerland: Zurich, Geneva, Basel
Ukraine: Kyiv, Kharkiv, Odesa
United Kingdom: London, Manchester, Glasgow (Key for Automotive & Manufacturing)
Afghanistan: Kabul, Kandahar
Bahrain: Manama, Sitra
Bangladesh: Dhaka, Chittagong
Brunei: Bandar Seri Begawan
China: Shanghai, Guangzhou, Tianjin, Shenzhen (Key for Automotive & Heavy Equipment)
Why Choose Dipti Metal Industries for Your Flange Nuts?
Leading Global Manufacturer & Specialized Expertise: As a premier manufacturer and worldwide exporter from Mumbai, we specialize in high-quality Flange Nuts, offering deep expertise in producing fasteners specifically for superior load distribution and vibration resistance in critical industrial applications globally.
Uncompromising Quality & Certifications: Our flange nuts are manufactured under strict ISO 9001 certified processes and comply with stringent international standards including ASME B18.2.2, DIN 6923, and ISO 4161. Each product undergoes rigorous chemical analysis, mechanical testing (proof load, hardness), dimensional inspection, and thread gauging. For plated finishes, we conduct coating thickness and salt spray tests to ensure superior corrosion resistance. They are supplied with full Mill Test Certificates (MTCs) conforming to EN 10204 Type 3.1/3.2, guaranteeing superior functional integrity and full traceability.
Precision Manufacturing & Diverse Materials: We utilize advanced manufacturing techniques to produce flange nuts from a wide range of high-grade materials including various carbon steel grades (SAE J995 Gr. 2, 5, 8), alloy steel, and stainless steel grades (304, 316), ensuring optimal strength, durability, and material compatibility for your specific application.
Comprehensive Product Range: We offer a wide variety of flange nut types, including serrated and non-serrated designs, in a full spectrum of imperial and metric diameters, ensuring we can meet nearly any project's functional requirements for load distribution and vibration control.
Diverse Finish Options & Corrosion Protection: We provide a wide range of protective finishes, including plain (self-color), Hot-dip Galvanized (HDG), Electro-galvanized (Zinc Plated), Black Oxide, and Chrome Plated. These coatings offer enhanced corrosion resistance and durability, extending the lifespan and reliability of fasteners in diverse and aggressive environments.
Customization & Technical Support: We offer extensive customization for diameters, thread types, material, flange type (serrated/non-serrated), and specific coating requirements. Our experienced technical team provides expert consultation on material selection, application suitability, and compliance requirements, ensuring you receive the optimal fastening solution that perfectly balances performance, durability, and cost-effectiveness.
Global Export & Efficient Logistics: As a dedicated worldwide exporter, Dipti Metal Industries guarantees efficient and reliable global delivery. We ensure secure, robust packaging and comprehensive documentation, facilitating smooth customs clearance and timely project completion across all continents, supporting critical automotive, heavy equipment, and structural projects.
Competitive Pricing & Superior Value: Leveraging our optimized manufacturing processes, strategic sourcing, and large-scale production capabilities, we consistently deliver high-quality Flange Nuts at competitive prices. Our products offer exceptional long-term value through enhanced safety, superior joint integrity, and improved overall project cost-effectiveness in demanding industrial environments.
Get a Quote Today for Your Flange Nut Requirements!
Are you in search of reliable, high-strength Flange Nuts for superior load distribution, vibration resistance, or simplified assembly in your automotive, heavy equipment, machinery, or structural applications? Contact Dipti Metal Industries, your expert leading global manufacturer, stockist, supplier, dealer, distributor, and worldwide exporter of flange nuts from Mumbai, India, today. Our dedicated team is ready to discuss your specific diameter, thread type (UNC/UNF/Metric), material (e.g., carbon steel, stainless steel), flange type (serrated/non-serrated), finish (e.g., Hot-dip Galvanized, Zinc Plated), quantity, and any applicable standards (ASME B18.2.2, DIN 6923, ISO 4161). Request a personalized, custom quote to secure the most effective and dependable Flange Nut solutions that guarantee enhanced operational integrity and prolonged system life in demanding industrial environments.
Price guidance (non-binding): USD 0.10–600.00 per piece depending on diameter, material, finish, quantity, and required certifications. Final prices are quotation-based.
Flange Nuts — Frequently Asked Questions
Flange nuts are one-piece hexagonal nuts that feature a wide circular flange at one end, which acts as an integrated, non-spinning washer. This flange helps to distribute the load over a larger bearing surface, reducing the chance of damage to the fastened material and providing a self-locking action, especially with serrated flanges. They are widely used in automotive, heavy machinery, and structural applications where strong, vibration-resistant, and load-distributing connections are required. Dipti Metal Industries manufactures and supplies a comprehensive range of high-quality flange nuts globally, suitable for diverse industrial requirements.
The key benefits of using Flange Nuts from Dipti Metal Industries include:
Superior Load Distribution: The integrated wide flange spreads the clamping force over a larger area, protecting the fastened material and preventing loosening.
Enhanced Vibration Resistance: Especially with serrated flanges, they provide a self-locking action that resists loosening under vibration, maintaining joint integrity.
Eliminates Separate Washer: The integrated design simplifies assembly, reduces component count, and lowers inventory costs, speeding up production.
Prevents Damage to Soft Materials: The wide bearing surface is ideal for fastening softer materials or oversized holes, preventing pull-through and deformation.
Secure Fastening: Ensures a tight and reliable connection, critical in dynamic or high-stress applications.
Versatility: Available in various materials and finishes to suit specific strength, corrosion, and environmental conditions.
These benefits make them ideal for demanding applications like automotive, heavy equipment, and industrial machinery.
Flange nuts are commonly manufactured from materials chosen for strength and durability:
Carbon Steel: Standard grade for general industrial, automotive, and structural use (e.g., ASTM A563 Grades A, B, C, D; SAE Grade 5, 8).
Alloy Steel: For higher strength and specialized performance needs.
Stainless Steel (AISI 304, 316, 316L): Excellent corrosion resistance, popular for outdoor, marine, and chemical processing applications.
Available finishes include:
Plain (Self-Color): Standard, often for indoor use or as a base for further coatings.
Hot-dip Galvanized (HDG): Provides excellent long-term corrosion protection for outdoor and exposed environments, often specified for structural applications.
Electro-galvanized (Zinc Plated): Offers moderate corrosion resistance and a bright appearance, often with clear, yellow, or black chromate.
Black Oxide: Provides mild corrosion resistance and a non-reflective black finish for subtle aesthetics.
Chrome Plated: For decorative applications requiring a bright, hard finish.
The choice depends on the application's strength, corrosion, and aesthetic requirements. Dipti Metal Industries ensures full compliance with material and finish specifications.
Flange nuts are versatile fasteners found in numerous industries due to their load-distributing and vibration-resistant properties:
Automotive Industry: Widely used in vehicle manufacturing for engines, transmissions, exhaust systems, chassis, suspension components, and wheel assemblies where fasteners are subjected to constant vibration and dynamic loads.
Heavy Equipment & Agricultural Machinery: Indispensable in construction equipment (e.g., excavators, loaders, dozers), mining machinery, and agricultural vehicles (e.g., tractors, harvesters) for securing critical components that experience high stress, impact, and continuous vibration.
Industrial Machinery: Employed in various industrial machines, pumps, motors, conveyors, and automated assembly lines where maintaining joint integrity under dynamic operating conditions is essential.
Structural Steel & Metal Fabrication: Used in connecting structural members, framework, and various metal assemblies, particularly where a broader bearing surface is required to distribute loads effectively and prevent material deformation.
Appliances & Consumer Goods: For securing components in washing machines, refrigerators, air conditioning units, and other household and commercial appliances where stable, vibration-resistant fastening is required for product longevity and performance.
Marine Applications: Stainless steel flange nuts are used in shipbuilding and marine equipment for their corrosion resistance and ability to withstand vibration in demanding maritime environments.
Electrical & Electronic Equipment: In certain heavy-duty electrical enclosures, control panels, and large electronic assemblies where reliable, vibration-proof connections are necessary.
Dipti Metal Industries supplies robust flange nuts that perform reliably across these diverse and demanding global sectors.
The most common standards for dimensional specifications of flange nuts include:
ASME B18.2.2: A prevalent North American standard for square and hex nuts, including flange nuts.
DIN 6923: A widely recognized European standard specifically for hexagonal flange nuts with a serrated bearing surface.
ISO 4161: An international standard for hexagonal flange nuts, often aligning with DIN standards.
For material grades, relevant ASTM or SAE specifications apply depending on the material (e.g., ASTM A563 for carbon and alloy steel nuts, ASTM A194 for alloy and stainless steel nuts, or SAE J995 for automotive grades). Dipti Metal Industries manufactures flange nuts in strict accordance with these international standards, providing comprehensive technical data and certification for every order to ensure reliability and performance in critical load-bearing and vibration-resistant applications.
What Our Customers Say About Our Flange Nuts
“Dipti Metal's serrated flange nuts are essential for our automotive chassis assemblies. They provide excellent self-locking properties against vibration and ensure superior load distribution, eliminating the need for separate washers. Consistently high quality and reliable supply.”
— Automotive Assembly Engineer – Chassis & Powertrain Lead, Ford Motor Company, Dearborn, USA
Overall Rating:
(4.97 / 5)
“We rely on Dipti Metal's hot-dip galvanized flange nuts for our large construction machinery. The integrated flange and excellent thread engagement provide strong, stable connections that withstand severe operational stresses and outdoor exposure. Timely deliveries.”
— Heavy Equipment Fabricator – Mechanical Assembly Supervisor, Caterpillar Inc., Peoria, USA
Overall Rating:
(4.92 / 5)
“The stainless steel flange nuts from Dipti Metal are perfect for our high-vibration industrial pumps. They simplify assembly by integrating the washer function and maintain joint integrity even under dynamic loads. Reliable and certified product.”
“Dipti Metal consistently supplies high-strength flange nuts for our structural steel projects. The wide bearing surface helps distribute loads effectively, which is critical for the stability of large structures. Excellent performance in demanding conditions.”
— Structural Steel Project Manager – Site Installation Lead, ArcelorMittal, Luxembourg City, Luxembourg
Overall Rating:
(4.90 / 5)
“For agricultural machinery, fasteners must resist vibration and harsh environments. Dipti Metal's zinc-plated flange nuts provide the necessary securement and corrosion protection. They streamline our assembly line. Outstanding quality.”
— Agricultural Equipment Manufacturer – Product Design Engineer, John Deere, Moline, USA
Overall Rating:
(4.98 / 5)
Contact Us
Company
Dipti Metal Industries
Address
No.9, Shreepati Castle, D-1, 10–11th Khetwadi Back Road, Mumbai – 400004, Maharashtra, India