What Is A Clevis?

Are you curious to know what is a clevis? You have come to the right place as I am going to tell you everything about a clevis in a very simple explanation. Without further discussion let’s begin to know what is a clevis?

In the realm of engineering and mechanical systems, connections play a vital role in ensuring stability, functionality, and safety. Among the numerous connection types, the clevis stands out as a versatile and widely used component. From its definition to its applications across different industries, this blog aims to provide an in-depth understanding of the essential clevis and its significance in the world of engineering.

What Is A Clevis?

A clevis is a mechanical fastening device that creates a pivotal connection between two components, allowing rotation or articulation. It consists of two main parts: a U-shaped metal or plastic fitting with holes, known as the clevis body, and a pin or bolt that passes through the holes to secure the connection. The clevis design ensures flexibility and adjustability, making it ideal for various applications where movement or adjustment is required.

Components Of A Clevis Connection:

  1. Clevis Body: The clevis body is the U-shaped component, often made of metal or high-strength plastic. It typically features two or more holes on one end to accommodate the pin or bolt, while the other end is designed to connect with another component.
  2. Pin or Bolt: The pin or bolt is a cylindrical metal rod that passes through the holes in the clevis body. It holds the clevis securely in place while allowing rotational movement or adjustment. Depending on the application, the pin or bolt may include various features like a head, a retaining clip, or a threaded end for additional functionality and stability.

Applications Of Clevis Connections:

The versatility of clevis connections makes them indispensable in a wide range of industries and applications. Here are a few notable examples:

  1. Mechanical and Structural Engineering: Clevis connections are extensively used in mechanical and structural engineering for joining components in various systems. They are commonly employed in linkages, control systems, tensioning devices, pivoting mechanisms, and more.
  2. Automotive and Transportation: In the automotive industry, clevis connections find application in suspension systems, throttle linkages, clutch systems, and brake linkages. They enable the necessary movement and adjustment required for smooth and efficient vehicle operation.
  3. Aerospace and Aviation: Clevis connections play a crucial role in the aerospace and aviation sectors, where precision and reliability are paramount. They are used in control surfaces, landing gear mechanisms, flight control systems, and other critical components.
  4. Agricultural and Construction Machinery: Clevis connections are integral to agricultural and construction machinery, facilitating movements in implements, attachments, and hydraulic systems. They enable efficient operation, articulation, and adjustment in these equipment.

Benefits Of Clevis Connections:

The clevis offers several advantages that make it a preferred choice in many applications:

  1. Flexibility and Adjustability: Clevis connections allow for rotational movement and adjustment, accommodating changes in position, tension, or alignment as needed.
  2. Strength and Reliability: Clevis connections are designed to provide secure and durable fastening, ensuring stability and reliability even in demanding environments.
  3. Ease of Installation and Maintenance: Clevis connections are relatively straightforward to install and maintain, allowing for efficient assembly, disassembly, and component replacement.
  4. Wide Range of Size and Material Options: Clevis connections are available in various sizes and materials to suit specific application requirements, offering flexibility in design and performance.


The clevis, with its pivotal connection design and flexibility, plays an integral role in numerous industries and engineering applications. From mechanical systems and automotive components to aerospace mechanisms and agricultural machinery, clevis connections provide the necessary movement, adjustability, and stability required for optimal performance. As a fundamental connection in engineering, the versatile clevis continues to contribute to advancements in technology and ensure the smooth operation of various mechanical systems.

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What Is The Purpose Of A Clevis?

A typical purpose of a clevis is to connect or fasten and secure loads to construction machinery, pickup trucks, and trailers. Clevises can even be used to secure loads to an aircraft.

What’s The Difference Between A Clevis And A Shackle?

The Difference Between the Shackle and a Clevis Fastener

The main difference is in the working load limit and their applications; clevises are mostly used in farming towing applications, with shackles typically used in construction, lifting, and rigging.

What Is The Difference Between A Clevis Pin And A Bolt?

Clevis pins come in many shapes, styles, sizes, and materials. While using a bolt may seem to be a quick fix, bolts are designed to take tension forces while clevis pins are designed for shearing forces. In fact, some bolts are designed to shear under force.

What Is Clevis Vs Cotter?

Unthreaded Clevis Pins have a domed head at one end and a cross-hole at the other. A Cotter Pin is typically used to keep the Clevis Pin in place. Threaded Clevis Pins are partially threaded on one end and feature a formed head at the opposing one. The head’s base has a flange with a cross-hole through the tab.


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