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How Do Hydraulic Tensioners Work?

Hydraulic tensioners are industrial tools that are designed to help stretch bolts of large diameters so they are able to achieve accurate preload. The main reason people use this type of tool is to help properly install multiple bolts without worrying about inaccuracies that can be caused by friction.

The mechanics behind using this type of industrial tool is relatively easy. The user/operator will take the tool and place it into position. The tool consists of a bridge, piston, and a puller, which all need to be properly placed. Once the tool is properly placed all of these parts will be hydraulically pressured, which is what stretches the bolt.

After the bolt has been stretched, the user is able to turn the nut by hand, which allows the extension of the bolt. Visit our website at to learn more about how these types of torque tools and other power tools work.

What is the Price of Hydraulic Tensioners and Where Can I Find the Best Quality Options?

This type of industrial tool has so many different styles and variations that it is difficult to give a specific price because it varies so dramatically. The price will vary depending upon what industry the tool will be used in, what style it is, and how many are being ordered at one time.

If you are looking for the best quality options for industrial tools that work with items like a torque bolt or nut, then Torq/Lite is the best place to go. Our inventory of tools has the most variety of tools for all industries. This means you can pretty much guarantee that we will have the perfect tool to help you finish a current project.

In addition to our vast inventory of tools, we also provide great customer service and training. Our customer service representatives train our customers in how to properly use the tools they purchase. This extends the lifespan of the tool. Contact us to learn more about our customer training and to learn about what tools we have available in our inventory.

Where Can I Find the Most Reliable Tensioners on the Market?

Hydraulic tensioners rarely, if ever, fail when they are being used correctly. Torq/Lite wants to make sure all our customers are using their tools properly, which is why we offer training.

Our staff will spend as much time as you need to learn how to properly use our tools. Learning to properly use the tools lessens your chance of having reliability issues with any product that you have purchased from us.

If an issue should arise, we offer great customer support. Our staff is available to answer any questions you may have and provide additional support should you need it. Contact us at Torq/Lite to learn more about our tools and the warranty/training we provide with every purchase.

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Our happy Customers


"After being disappointed with the level of service I received from another company, I was pleasantly surprised with Torqlite's professionalism and attention to detail. They were able to answer all my questions about their line of tensioners and helped me order the best ones for our sub-sea applications. I will definitely be ordering their products again. Thanks!"

-Jeremy E.


"In my line of work, I can't depend on approximations. I need exact pressure and I need it immediately. I couldn't be more happy with the type of precise pressure that these tensioners offer me, regardless of what I'm doing or where I am." 

-Harry L.

How a bolt tensioner will help your company work more efficiently

Published on August 25, 2015

The business of manufacturing is competitive and the reliability of manufactured goods depends upon their design and construction.

The hydraulic tensioner provides an accurate means of stretching bolts to accurate measurements, saving on costly mistakes and a sub-par product. The accuracy and the secure installation of bolts mean extra dependability, increasing customer confidence in use of the product.

Consider this:

1) Size matters

Use a tensioner with large bolt content to assure heavy equipment is coupled securely. These products use the calculations of a tensioner to adjust correct specifications. Materials have a level of flexibility but if calculated improperly, bolts may not stand up to the pressure, causing breakage while in use.

2) Under pressure

Use the instructed amount of pressure. The value is listed in the tool document and on the device. This allows safe use of the tensioner. Hydraulic tensioners can be used for on-land and underwater installations. Bolt amounts and temperatures are factored into the tensioner calculations.

3) Cat in the Bag

Hydraulic tensioners are available for rental or purchase. This allows use for contractual periods without the cost sitting on the books year-round or raising inventory depreciation levels.

Updated on December 14, 2015

Hydraulic tensioners are swiftly becoming a manufacturing must-have thanks to their efficiency and the boost they give to worker productivity. That’s because these new models feature unique spring return mechanisms that automatically reset the tensioner to its full working stroke, while upgraded models also include a modular design that allows for easy interchanging of kits. Bolt tensioners allow you to quickly, and safely, secure or loosen fastenings on heavy duty equipment. This reduces downtime and the amount of energy spent by your employee on the task.

These modern hydraulic tensioners are ideal for wherever accurate and repeatable bolt loading is needed. This makes them a great choice for a wide range of applications and industries, including the oil and gas, mining, manufacturing, and power industries. Your employees will love this tool for its reduced assembly time and lightweight design that makes the tool a good choice no matter the work area.

A few things to note when picking out the right bolt tensioners for your application:

  • Size is important. Choose a tensioner with a large bolt content if you frequently encounter heavy equipment as this enables you to use precision calculations to adjust according to spec.
  • Check pressure. It’s important to always apply the instructed amount of pressure listed on the tool.