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Detailed Guide About How Do Torque Sticks Work

Torque is the force needed to turn anything to accelerate a vehicle to a specific speed. It shows the load an engine can carry to create a given level of power to rotate the machine on its axis. The more torque your automobile possesses, the faster it will accelerate. Torque is created when you use a wrench to apply a party, such as tightening the lug nuts on your wheels.

What is the definition of Torque Stick?

Torque bars, also known as “torque limiting extension bars,” are an extension for your impact wrench to perform more effectively and for more extended periods. They operate on the principles of torque theory, which means they flex at a given pace and cease delivering torque when they reach a certain threshold. Despite its natural look, this helpful small device has the potential to make a massive difference in the lives of busy mechanics.

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How vital are torque sticks?

Torque sticks bend when a torque limit is reached (like a torsion bar). When the shaft flexes or becomes turgid, it resists further tightening of the fastener, regulating torque application and preventing potential damage. The torque applied to the clasp is proportional to the thickness of the torque sticks. Torque sticks build for a restricted torque input range, of which many people (drivers and technicians alike) are unaware. 

When utilizing torque sticks with an impact wrench, even if the impact wrench’s setting is excessively high or low, the torque stick will still over-torque the fasteners, potentially causing damage. Keep torque sticks away from the ultimate torque while using them. Choose a torque stick rated for about 2/3 of the final torque, then use a torque wrench to finish the remaining 1/3. If pins do not move with a torque wrench before the click for final tension, an issue exists, or the fastening has been overtightened.

How To Use A Torque Stick?

Most automobile mechanics use a torque wrench to tighten them more rapidly. On the other hand, the technician needs a gadget that can apply more pressure while still fulfilling basic torque requirements. The torque wrench is handy in this scenario since it can deflect beyond the needed foot/pound even before the requisite foot/pound is attained. Torque rod is why it’s known as an impact torque rod in some areas. Even though it is an extension stick, the torque stick is not closed or bent. On the other hand, the torsion stick is constructed of stranded steel wire that may be bent during its service life.

A torque stick is a tool that works in tandem with an impact wrench or torque wrench. It can lower the tightening torque by as much as 5-15 percent in most circumstances. The bolt can even be bent rather than compressed when the required torque is exceeded. On the other hand, the torque wrench does not always adhere to standards. The RPM of the gun affects its significance.

How Do Torque Sticks Work?

Torque sticks may appear simple, yet they may significantly simplify a busy mechanic’s burden. The operating principle of torque limiting extension bars has already been explored. Now comes the inevitable question: how does torque limiting extension function, and how does it assist us? Let’s have a look.


Torque sticks are available in a variety of thicknesses and colors. The color-coded chart also saves you much time. There is no need to specify separate torque parameters. All you have to do now is select the right stick, connect it to the impact gun, and start to work. Furthermore, the technician may rest because the extension will absorb any additional torque imparted. It also improves the job’s quality and safety.


A mechanic’s nightmare is stopping a hundred times throughout a project to obtain the proper tool. It’s aggravating as well as time-consuming. A precise torque set saves you time and effort. Select the appropriate agency and complete the tightening procedure without difficulty.


Torque sticks, when utilized appropriately, may provide excellent accuracy. You’ll be able to control this instrument with incredible precision once you get the hang of it. However, we recommend using a torque wrench to double-check the tightness. It’s not that torque sticks aren’t sufficient, but what the heck! Isn’t it true that safety comes first?

Who Needs A Torque Stick?

The torque sticks set might be a terrific addition to your toolbox if you regularly use a lug nut impact wrench. They are not, however, limited to impact wrenches. They can instead be utilized with a variety of hand tools.

You’ll need to do wheel repairs frequently if you’re a mechanic or a car owner. A decent set of torque sticks will help you finish the wheelwork faster. If you execute the work right, you won’t have to pick between quality and safety.

It’s pretty easy to use these sticks. However, they, like any other technology, are susceptible to misuse. The nuts and studs must be greased appropriately and in good working order. Pay special attention to whether the lug nuts are tightened evenly.

Broken wheel studs, loose/damaged lug nuts, and even damaged brake rotors can result from improper application. Make sure you understand how things function and don’t be afraid to read the handbook.

What is the correct Torque procedure?

Check the wheel

The technique begins with a visual inspection of the hubs and wheels, wheels, bolts, and mounting faces for dirt, rust, or damage. If a satisfactory result is to be attained, the standard specification for wheel fastening torque for each vehicle must be followed. Remove any debris and rust with a wire brush if it’s unclean, and replace any broken pieces.

Use a thread chaser or a tap to remove any clogs on the threads. The fastener should be simple to turn by hand until it reaches the fastening seat on the wheel. However, lubricant-containing cleansers should be avoided for a tight grip (for heavy-duty vehicles, which should use 30-weight motor oil for hub-pilot type lugs). Also, prevent anything that might cause the wheel to vibrate loose or alter the clamping force between the wheel and the hub. Despite the warning above, anti-seize chemicals are permissible if desired, particularly in regions where corrosion is an issue.

Use suitably

When using anti-seize, use it on the fasteners and not the stud. The anti-seize substance should not be applied to the wheel or the hardware seat. Because the significant point of friction where torque is recorded is the seat of the fastener, considerable caution must be utilized because the excess anti-seize compound can leak or be forced onto the fastener seat, resulting in erroneous torque measurements. The wheel should then be installed, holding it snugly to the hub, and the fasteners should be hand-tightened. Once the buckles are all started, a tool with low torque is suggested for uniformity. It’s critical to follow the typical star pattern sequence as indicated during the pre-torque stage to ensure that all of the hardware is even and there’s no looseness or wobbling in the wheel. For an excellent snug fit, 50 to 60-foot pounds is sufficient. Fasteners provide the clamping force that allows wheels to operate correctly. When tightened, all pins are designed to extend slightly. The torque required to spin the buckle is used to estimate the stretch. Suppose the wheel fasteners are not correctly secured. In that case, the wheel may loosen, resulting in wheel damage or, in the worst-case scenario, a wheel-off (the separation of the wheel from the vehicle), which can be deadly or result in massive liability claims in the millions!

Do not over-tighten the wheel tether

Over-tightening or under-tightening your wheel fasteners is risky and unsafe. Overtightening a stud or bolt beyond its yield point weakens it and prevents it from returning to its original dimensions. Avoid significant liabilities linked with wheel-offs as much as possible by building a proper torque habit that stays below the recommended limit. To prepare the wheel for final torque, brace it. It is not suggested to lower a big vehicle with high torque specs and place all of the vehicle’s weight on the wheels.

Safe distance

You need to lower it far enough to keep the wheel from turning during final torque or use wheel chocks to secure the wheel in place if required. You must have a routine procedure for your automobile. Every spin on every tire will be done the same way if you do it every time. It’s critical to be consistent and professional since every driver and technician must understand how to install wheels and the processes to follow. A well-followed method might serve as a valuable defense against liability claims. Setting the torque wrench to the parameters specified by the wheel or vehicle manufacturer before applying final torque is always a safer idea. Use the star pattern sequence until all fasteners have been tightened to the appropriate torque. Tighten the pin by hand first, then use an impact gun with the proper torque stick to tighten the wheel until the fasteners are taut and the wheel pulls uptight. To narrow the pins even further, lightly go over them again. Please avoid the urge to give the wrench an extra turn or two since this may damage the fasteners. It has in the past with some automobiles. Stop when the torque wrench clicks (or performs whatever it does to signify the required torque has been obtained if it’s electronic) to avoid defeating the purpose of the torque wrench.

What is the correct wheel nut torque?

Therefore, it is vital to utilize torque sticks with an air pistol or a torque wrench to achieve the right force. Torque your studs or lug nuts to 70 to 80 foot-lbs if they’re 12 X 1.25mm to 1.5mm or 7/16-inch; 14 X 1.25mm to 1.5mm, to 85 or 90; 1/2-inch 75 to 85; and 9/16-inch 135 to 145 if they’re 14 X 1.25mm to 1.5mm, to 85 or 90; and 9/16-inch 135 to 145 if they’re 14 X 1.25mm to 1.5mm. Your lug nuts are tapered for wheel security and are engineered to suit particular thread diameters of the studs on autos. It’s critical to torque your car’s lug nuts to the right specification for your safety and the car’s functionality.

Improperly secured nuts may loosen while driving, and tires may fall off while the car is in motion, posing a severe threat to your safety. The torque range of the impact cannon must be set, and the air supply and pressure must stay consistent. Furthermore, various torque sticks will frequently necessitate different impact wrench settings. Without testing the impact wrench settings, it’s absurd to expect a wrench-torque stick combo to be correct.

How tight should car wheel nuts be?

The vehicle handbook will tell you what torque number is best for your car or installed rims. The number of bolts, rim size, design (aluminum or steel rims), and automobile type all play a role. It usually ranges between 110 and 120 Nm. The new torque values will be listed on the rim certificate if you change your car’s boundaries. The manufacturer issues the rim certificate. The rims have been examined and authorized by the appropriate authorities.

Our torque chart is an excellent place to start if you don’t have access to a car manual right now. You are leaning on a stack of tires, the Barum tire specialist. Remember to have your new rim size listed in the car registration form if you’re retrofitting. You will need to bring your wheel rim certificate to your next vehicle safety check.

When you have to replace a tire on a busy highway or attend to multiple automobiles a day as a mechanic, time is essential. That doesn’t imply you can take shortcuts regarding job safety and quality. That means you’ll want the tools that will allow you to do the tasks more quickly without jeopardizing your safety. 

Torque sticks come in handy in a variety of situations. While some users are suspicious of their utility, most users find them to be a quick and straightforward answer. This tool has a simple working method and a short learning curve.


If you were curious about how torque sticks operate, we hope this article was able to satisfy your curiosity. With any more questions, let us know, and if you have used one, please share your experience with us.

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