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What is the Application of Flange Bolt?

What is the Application of Flange Bolt?

In the realm of fasteners, flange bolts stand out as versatile and reliable components used across various industries and applications. Their unique design, featuring an integrated flange under the bolt head, offers distinct advantages in specific scenarios. In this blog, we’ll explore the applications of flange bolts, highlighting their benefits and why they are chosen for certain tasks.

Understanding Flange Bolts:

Flange bolts, also known as frame bolts or collar bolts, are threaded fasteners with an integral flange under the bolt head. This flange serves multiple purposes, including distributing the load over a larger surface area, providing additional strength, and acting as a built-in washer to protect the mating surface. Flange bolts are available in a range of sizes, materials, and styles, making them suitable for various applications.

Applications of Flange Bolts:

Flange bolts find extensive use across different industries and applications due to their unique design and advantageous features. Some common applications include:

1. Automotive Industry: In automotive manufacturing and repair, flange bolts are utilized in critical areas such as engine assembly, transmission mounting, suspension components, and exhaust systems. The flange provides enhanced stability and prevents the bolt from loosening due to vibration or dynamic forces.

2. Construction and Structural Engineering: Flange bolts play a vital role in construction projects, including building structures, bridges, and infrastructure. They are used for connecting steel beams, columns, brackets, and other structural elements, ensuring secure and stable assemblies. The flange helps distribute the load evenly, reducing the risk of structural failure.

3. Machinery and Equipment Assembly: In industrial machinery and equipment assembly, flange bolts are preferred for their reliability and resistance to loosening under heavy loads or constant vibrations. They are commonly used in manufacturing plants, processing facilities, and agricultural machinery for securing components such as motors, gearboxes, and conveyor systems.

4. Plumbing and HVAC Systems: Flange bolts are employed in plumbing and HVAC (heating, ventilation, and air conditioning) systems for joining pipes, ductwork, and equipment. The flange provides a tight seal and prevents leakage, ensuring efficient operation and minimizing maintenance requirements.

5. Aerospace and Marine Applications: In aerospace and marine industries, flange bolts are utilized in critical applications where high strength, corrosion resistance, and reliability are paramount. They are used in aircraft assembly, shipbuilding, and offshore structures for securing components subjected to extreme conditions, including temperature variations and saltwater exposure.

Benefits of Flange Bolts:

Flange bolts offer several advantages that make them suitable for specific applications:

1. Enhanced Stability: The integrated flange provides additional stability and prevents the bolt from rotating or loosening under dynamic loads or vibrations.

2. Reduced Assembly Time: Flange bolts eliminate the need for separate washers, reducing assembly time and simplifying installation procedures.

3. Improved Load Distribution: The flange distributes the applied load over a larger surface area, reducing stress concentrations and minimizing the risk of damage to the mating surface.

4. Corrosion Resistance: Flange bolts are available in materials such as stainless steel, which offers excellent corrosion resistance, making them suitable for outdoor and corrosive environments.


Flange bolts are versatile fasteners with a wide range of applications across various industries, including automotive, construction, manufacturing, plumbing, aerospace, and marine sectors. Their unique design features, including the integrated flange, provide enhanced stability, load distribution, and resistance to loosening under challenging conditions. By understanding the applications and benefits of flange bolts, engineers, designers, and maintenance professionals can make informed decisions when selecting fasteners for specific tasks, ensuring reliable and durable assemblies.

Bhansali Metalloys Inc is one of the leading Manufacturer, Exporters, and Suppliers of High Quality Flange Bolt Fasteners all over in India. We are Manufacturer, Supplier and Dealer of various types of Fasteners such as Bolts, Nuts, Threaded Rods, Screws, Washers and many more. We are Flange Bolt Fasteners Manufacturer in India. These Flange Bolt Fasteners are available in different grades and materials. We are Flange Bolt Fasteners Manufacturer, Supplier, Dealer, and Exporter in India. We are Flange Bolt Fasteners Supplier in India. Contact Us +919152160158 or email to for Flange Bolt Fasteners price list.

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Each Stainless Steel Flange Bolt Fasteners is otherwise designed based on the characteristics of the applying and additionally the pressure. Consequently, different industries use different Flange Bolt Fasteners. We also produce customized Flange Bolt Fasteners Products at our factory as per our client’s requirements. For any types of Flange Bolt Fasteners Price List Call on +91 9152160158 or drop an Email to |

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