Premium Flange Nut Manufacturer, Supplier & Exporter

Flange Nuts are specialized nuts with an integrated flange that distributes load and prevents loosening. Commonly used in automotive, machinery, and construction applications, they are available in stainless steel, carbon steel, and alloy steel, manufactured to DIN, ISO, and ASTM standards.
M5–M36
Diameter
5–50 mm
Length
DIN • ISO • ASTM
Standards
SS • Carbon Steel • Alloy Steel
Materials

Overview

About Flange Nut

A flange nut is a specialized type of fastener designed to provide a secure and stable fastening solution by integrating a wide flange at its base. This flange acts as a built-in washer, distributing the load evenly over a larger surface area, which helps to prevent damage to the connected materials and reduces the risk of loosening due to vibration. Manufactured through precision machining and cold forging processes, flange nuts are typically made from high-grade steel, stainless steel, or alloy materials to ensure durability, corrosion resistance, and high tensile strength. The design of the flange nut often includes serrations on the flange surface, which enhance grip and prevent rotation, making it ideal for applications requiring reliable fastening under dynamic conditions. The threading of flange nuts is engineered to match standard bolt sizes, ensuring compatibility and ease of installation in various industrial settings.

Flange nuts are widely utilized across multiple industries, including automotive, construction, machinery, and heavy equipment manufacturing, where secure and vibration-resistant fastening is critical. Their robust construction and integrated flange design provide superior performance in high-stress environments, offering advantages such as reduced assembly time and improved joint stability. The materials used in flange nuts are selected to withstand harsh environmental conditions, including exposure to moisture, chemicals, and extreme temperatures, thereby extending the service life of the fastened components. Additionally, flange nuts contribute to enhanced safety and reliability in structural assemblies by minimizing the need for additional washers and reducing the risk of loosening. The combination of strength, ease of use, and resistance to loosening makes the flange nut a preferred choice for engineers and manufacturers seeking efficient and dependable fastening solutions.

Flange Nut Quick Specifications

Standards
Product Type Flange Nut
Head Style Hexagonal with Integrated Flange
Manufacturing Process Cold Forged and Machined
Thread Type Unified National Coarse (UNC) or Unified National Fine (UNF)
Common Materials Carbon Steel, Stainless Steel, Alloy Steel
Available Sizes #6 to 1-1/2 inch diameter
Strength Features High Tensile Strength, Vibration Resistance due to Flange
Typical Applications Automotive, Machinery, Structural Assemblies
Surface Finishes Zinc Plated, Black Oxide, Nickel Plated, Plain
ANSI B18.2.2, ISO 4161, DIN 6923
Customization Custom Sizes, Materials, Threads & Surface Finishes Available

Why Choose Flange Nut from a Trusted Supplier

Choose our precision-engineered Flange Nut for secure, dependable fastening in demanding industrial assemblies. As a reliable Manufacturer, Supplier, Exporter, and Stockist of Industrial Fasteners, we provide high quality, dimensional accuracy, traceability, custom sizes, bulk supply, competitive pricing, and worldwide shipping for OEMs and EPC procurement teams.

Integrated Flange Design

Provides a larger bearing surface to distribute load evenly and reduce damage to mating surfaces during tightening.

Vibration Resistance

The flange helps prevent loosening in applications subject to vibration and dynamic forces.

Corrosion Resistance

Available in stainless steel and coated finishes for enhanced resistance to corrosion in harsh environments.

High Strength Materials

Manufactured from carbon and alloy steels to meet demanding mechanical strength requirements.

Ease of Installation

Eliminates the need for separate washers, simplifying assembly and reducing parts count.

Versatile Applications

Suitable for automotive, construction, and industrial machinery fastening needs.

Available Material Options for Flange Nut in Industrial Applications

Flange nuts are commonly produced in stainless steel for corrosion resistance, carbon steel for general applications, and alloy steel for high-strength requirements. Material selection depends on environmental exposure, mechanical load, and temperature conditions, ensuring optimal performance and durability in diverse industrial settings.

Global Engineering Compliance and Quality Standards for Flange Nut

Flange nuts are manufactured according to international standards ensuring dimensional accuracy, mechanical properties, and material quality. These standards facilitate interchangeability and compliance with industry requirements across automotive, construction, and machinery sectors.

Flange Nut Dimensions, Thread Specifications & Material Details

Flange Nut technical data covers standard dimensions, nominal sizes, thread types, material grades, property classes, surface finishes, and applicable fastening standards. This section helps engineers, contractors, procurement teams, fabricators, and designers compare dimensional compatibility, load performance, corrosion resistance, and installation requirements for accurate selection in structural, mechanical, automotive, and industrial assemblies.

Technical Specifications

Product TypeFlange Nut
Thread TypeMetric Coarse and Fine
Diameter RangeM5 to M36
Length Range5 to 50 mm
Available MaterialsStainless Steel, Carbon Steel, Alloy Steel
Manufacturing StandardsDIN 6923, ISO 4161, ASTM A194
Surface FinishZinc Plated, Black Oxide, Plain

Dimensions

Diameter (mm)Width Across Flats (mm)Flange Diameter (mm)Height (mm)
M58144
M1017268
M20304816
M36558030

Engineering Applications for Flange Nut Manufacturer Supplier & Exporter in Heavy Industries

Flange Nut Manufacturer Supplier & Exporter supports critical fastening needs in construction, automotive, railways, power generation, and heavy engineering projects. Flange nuts are used where vibration resistance, load-bearing capacity, and secure clamping are essential for structural integrity. Their integrated washer design helps distribute pressure evenly, improving reliable fastening, dimensional accuracy, corrosion resistance, and long service life in demanding industrial assemblies.
Flange nuts are extensively used in automotive manufacturing to secure engine components, chassis parts, and suspension systems, offering reliable fastening that resists loosening due to vibration and dynamic loads common in vehicles.
In construction, flange nuts provide strong, vibration-resistant fastening for steel frameworks, heavy equipment assembly, and infrastructure projects, ensuring structural stability and safety.
Used in industrial machinery, flange nuts secure moving parts and assemblies, reducing maintenance needs by preventing loosening and distributing load evenly across components.
Flange nuts are employed in oil and gas equipment for their durability and resistance to harsh environments, ensuring secure connections in pipelines, valves, and heavy machinery.

Why Choose Flange Nut from a Trusted Supplier

Choose our precision-engineered Flange Nut for secure, dependable fastening in demanding industrial assemblies. As a reliable Manufacturer, Supplier, Exporter, and Stockist of Industrial Fasteners, we provide high quality, dimensional accuracy, traceability, custom sizes, bulk supply, competitive pricing, and worldwide shipping for OEMs and EPC procurement teams.

Looking for Premium Flange Nut?

Contact RealBolt for competitive pricing, expert technical assistance, stock availability, and custom manufacturing options tailored to your industrial fastening needs. Our team is ready to support your project requirements efficiently and reliably.

Flange Nut FAQs: Common Questions and Technical Guidance

Flange Nut FAQs answer common questions about materials, thread sizes, dimensional standards, surface finishes, installation methods, load performance, and application suitability. Use this section for clear product information, technical guidance, and selection support when comparing options for machinery, structural assemblies, automotive systems, or general industrial fastening.
Flange nuts are typically made from stainless steel, carbon steel, and alloy steel. Stainless steel offers excellent corrosion resistance, carbon steel provides cost-effective strength for general applications, and alloy steel is used for high-strength requirements. Material choice depends on environmental exposure, mechanical load, and temperature conditions to ensure durability and performance.
Flange nuts conform to standards such as DIN 6923, ISO 4161, and ASTM A194. These standards specify dimensions, mechanical properties, and material requirements, ensuring compatibility and reliability across various industrial applications including automotive, construction, and machinery manufacturing.
Flange nuts are commonly used in automotive assemblies, construction frameworks, heavy machinery, and oil and gas equipment. Their integrated flange design provides enhanced load distribution and resistance to loosening under vibration, making them suitable for critical fastening applications in demanding environments.
The flange on flange nuts acts as a built-in washer, increasing the bearing surface and friction between the nut and the mating surface. This design helps distribute load evenly and resist loosening caused by vibration and dynamic forces, improving joint stability without requiring additional washers.

Industrial Cities We Serve:

  • Ahmedabad
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