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U-bolt Clamp

A U-bolt clamp’s purpose is to give an astonishing assurance when holding pipes, poles, lines, tubes, ropes, or even secure the ends of the unsecured wires. It provides a powerful grip force that can hold and perform as a foundation and a reliable fastener for every construction project. The U shape of the bolt clamp permits itself to be appropriate support for piping and tubing. 

Additionally, U-bolt clamps are hot or cold forged fasteners. Professionals make it using the cool or heated procedures out of cable and round commodities. U-bolts are often used as an anchor and support in vessels, podiums, power plants, and other oil and gas handling facilities.

HDC fabricates U-bolt clamps that can be used as cable fasteners, suspension mounting, piping support, framing fasteners, foundation anchors, and more. As an ISO 9001 certified company, we only supply high-graded U-bolt clamps that are made from Carbon Steel, Stainless Steel, and Aluminum.

U bolts Specifications

Head style Diameter Width Length Material Surface
Square 1/2″ 2-1/16″ 4-3/4″ Stainless Steel Stainless Steel
Square 1/2″ 2-1/16″ 6-5/16″ Stainless Steel Stainless Steel
Square 1/2″ 3-1/16″ 4-5/16″ Stainless Steel Stainless Steel
Square 1/2″ 3-1/16″ 5-5/16″ Stainless Steel Stainless Steel
Square 1/2″ 3-1/16″ 7-5/16 Stainless Steel Stainless Steel
Square 3/8″ 3-5/8″ 4″ Alloy Steel Zinc
Square 3/8″ 3-5/8″ 5″ Zinc Zinc
Square 3/8″ 3-5/8″ 7″ Zinc Zinc
Square 3/8‘’ 3‘’ 7‘’ Zinc Zinc
Square 3/8″ 4″ 5″ Zinc Zinc
Square 3/8″ 4″ 7″ Alloy Steel Zinc
Square 3/8″ 3-5/8″ 6″ ‎Alloy Steel ‎Zinc
Square 3/8‘’ 4‘’ 3‘’ Alloy Steel ‎Zinc
Square 3/8″ 16‘’ 3‘’ Steel ‎Zinc
Cupped 1/4″ 1-1/8″ 2-1/4″ Steel Zinc
Cupped 1/4″ 3/4″ 2-1/2″ Zinc Zinc
Cupped 5/16″ 1-3/4″ 4-1/4″ Alloy Steel Zinc
Cupped ‎5/16″ 1-3/8″ 2-1/2″ Zinc Zinc
Cupped ‎5/16″ 1-3/4″ 4-1/4″ Stainless Steel Zinc
Cupped 5/16″ 2″ 4-1/2″ Alloy Steel Zinc
Cupped 1/2″ 3-1/2″ 6″ Alloy Steel Zinc
Cupped 1/2″ 4-1/2″ 7″ Zinc Zinc
Cupped 1/2″ 4″ 6-1/2″ Alloy Steel Zinc
‎Phillips 5/16″ 1-3/8″ 3-3/4″ Zinc Zinc

Why Choose HDC?

  • Carbon Steelis cost-efficient, impressively malleable, and can support heavy loads. This can also work well with heat treatment and can hold narrow tolerances.
  • Stainless Steel this material is providing great corrosion resistance in several applications. It being nonmagnetic and enduring every type of temperature makes it special. 
  • Aluminum is lighter in weight and has more resistant to corrosion. 

HDC always likes to exceed your expectations and meet all your demands. In order to do that, we managed to create different styles and methods in creating the finest u-bolt clamp on the market. HDC supplies various types of u-bolts, they can be Round Bend (which has a broad range of industrial applications, also great for trailer practices), Square Bend (can work and secure in concrete and weighty equipment), Semi-Round Bend (commonly used in automobiles and spring-loaded utilization), and Forged Top (essential to projects that require extra clearance connecting the U-bolts and the surface).


HDC U Bolts/U-bolt Clamp Advantages

When it comes to diameter, HDC produces U-bolt clamps in ¼” to ¾”, but may also depend on your product criteria and requirement. We can customize even the inside length, HDC usually manufactures 1 ¾” to 15”. As we know that it is now widely used by different industries, our team makes sure to be updated on every trend and application the U-bolt is being used to. Your design and customization of the product will always be protected by the HDC. 

The surface treatments that are available for HDC’s U-bolt clamps are plain, zinc plated, and brass plated.  

Millions of HDCs manufactured products have helped people achieve their dream projects. We guarantee you a smooth installation whenever you use our u-bolt clamps. Our said item is designed to hold objects in place that might be hard to secure to a certain surface because of their distinguishing characteristics.

HDC assures you that it will all be budget friendly while giving the best quality service from a u-bolt clamp.  We have expert engineers that will guide you and will surely fabricate the components flawlessly. You’ll also encounter a fast delivery and good customer service in choosing HDC. 

Whatever design, logo, color, shape, size, diameter, and even your packaging requests, HDC will make it all for you. 

If you are looking for a quality U-bolt clamp, come with HDC and receive a quote within 24 hours!

Frequently Asked Questions (FAQ) – U-Bolt Clamps

Welcome to HDC’s Frequently Asked Questions (FAQ) section for U-Bolt Clamps. Here, we provide answers to common queries about these versatile fastening devices. Whether you’re a professional or DIY enthusiast, this FAQ aims to help you understand U-bolt clamps better and make informed decisions for your projects.

u bolt clamp 1

What is a U-bolt clamp, and how does it work?

A U-bolt clamp is a type of fastening device consisting of a U-shaped bolt with threads on both ends and a plate with two holes. It works by wrapping around an object (usually a pipe or rod), securing it in place by threading nuts onto the ends of the U-bolt and compressing the object against the plate.

u bolt clamp 2

Where are U-bolt clamps commonly used?

U-bolt clamps are commonly used for various applications, including:

  • Piping: Securing pipes and tubing to support structures.
  • Exhaust Systems: Attaching exhaust pipes and mufflers.
  • Marine: Fastening boat components, like railings and stanchions.
  • Construction: Supporting and anchoring building materials.
  • Automotive: Securing components like leaf springs.
  • Plumbing: Connecting and stabilizing pipes.

u bolt clamp 3

What materials are U-bolt clamps typically made from?

U-bolt clamps are typically made from materials such as:

  • Steel: For general applications, including galvanized steel for corrosion resistance.
  • Stainless Steel: Ideal for outdoor or marine environments due to its corrosion resistance.
  • Aluminum: Lightweight and corrosion-resistant for specific applications.
  • Plastic or Rubber-Coated: Used for less heavy-duty or non-metallic applications.

What is the difference between a clamp and a U-bolt clamp?

The key difference between a clamp and a U-bolt clamp is in their design and function:

  • Clamp: A general term for devices used to hold objects together, available in various forms and mechanisms.
  • U-Bolt Clamp: A specific type of clamp characterized by a U-shaped bolt with threads on both ends and used for securing cylindrical objects, such as pipes or rods, to support structures.

u bolt clamp 4

What is the strength of a U-bolt clamp?

The strength of a U-bolt clamp varies due to factors like material, size, installation, load distribution, environmental conditions, and manufacturer specifications. If necessary, consult with us. HDC’s professional team will provide you with expert guidance and recommendations to ensure the U-bolt clamp is well-suited for your specific application.

u bolt clamp 5

What are the types of U-bolt clamps?

Based on their bending shape, U-bolt clamps can be roughly categorized into three types:

  • Round U-Bolt Clamps
  • Semi-Round U-Bolt Clamps
  • Square U-Bolt Clamps

They are commonly made from corrosion-resistant metals such as carbon steel, 304 stainless steel, or 316 stainless steel.

u bolt clamp 6

What are the parts of the U-bolt clamps?

The U-bolt clamp typically consists of the following parts:

  • U-Bolt: The U-shaped bolt is the central component of the clamp. It has threads on both ends and wraps around the object to be secured. The shape of the U-bolt varies based on the type of U-bolt clamp (round, semi-round, square) and the specific application.
  • Plate: The plate is a flat metal piece with two holes that align with the U-bolt’s threaded ends. It acts as a base or anchor point for the U-bolt and helps distribute the clamping force evenly across the object being secured.
  • Nuts: Two nuts are threaded onto the ends of the U-bolt, one on each side of the plate. These nuts are tightened to secure the U-bolt and compress the object against the plate, holding it in place.

The combination of the U-bolt, plate, and nuts creates a secure clamping mechanism that can be used to fasten pipes, tubes, cables, or other objects to support structures. Some U-bolt clamps may also include additional components like washers or cushioning materials for specific applications.

u bolt clamp 7

What grade steel is a U-bolt clamp?

The specific grade of steel used for a U-bolt clamp should be chosen based on factors such as the required strength, environmental conditions, and the application’s demands. If you have any doubts regarding material selection, you can contact us, and HDC will provide you with professional advice to ensure the selection of the correct steel grade for your specific needs.

How do I choose the right U-bolt clamp for my project?

To select the right U-bolt clamp, consider factors like:

  • Diameter: Choose a clamp size that matches the diameter of the object you want to secure.
  • Material: Select a material suitable for your application and environmental conditions.
  • Thread Size: Ensure that the U-bolt threads match the nuts you intend to use.
  • Load Capacity: Check the load capacity specifications to ensure it meets your needs.
  • Coating/Finish: Consider coatings like galvanization for added protection against corrosion.

Can U-bolt clamps be reused?

U-bolt clamps can often be reused, provided they are in good condition and have not experienced significant wear or damage. It’s essential to inspect the clamps carefully before reuse to ensure that the U-bolt, nuts, and plate are still in proper working condition. If there are signs of wear, corrosion, or deformation, it may be advisable to replace the clamp for safety and reliability. Regular maintenance and inspection can help determine whether U-bolt clamps are suitable for reuse in your specific application.

How do I maintain U-bolt clamps?

Regular maintenance may involve checking for tightness, inspecting for signs of wear or corrosion, and replacing any damaged or worn components. Proper maintenance ensures the continued reliability of U-bolt clamps in your applications.

Can U-bolt clamps be customized for unique project requirements?

HDC can provide you with a U-bolt clamp customization service. You can tailor the U-bolt clamp to meet your unique project requirements in several ways. This includes selecting the appropriate size, material, finish, and other specific features that align with your project’s needs. Our experienced team at HDC will work closely with you to ensure that the customized U-bolt clamp perfectly fits your project’s specifications.


We hope this FAQ has been a valuable resource in answering your questions about U-bolt clamps. At HDC, we are dedicated to providing high-quality solutions that meet your unique project needs. If you have further inquiries or require customization, please don’t hesitate to contact us. Our professional team is here to assist you in finding the right U-bolt clamp for your specific application.

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