Best cordless impact wrenches (& reviews)

When working on cars, abounding challenges may be encountered. It’s particularly when changing tires or completing various DIY projects in your home garage. You may find it hard to figure out how to drive a fastener in outlying areas or break loose lodged bolts. Secure lug screws or dealing with stubborn nuts is a constant struggle. Thanks to the best cordless impact wrenches, everything is now as simple as it has ever been. The tool speeds up and simplifies your automotive work.

They are engineered to provide adequate torque in any given application. It enables you to easily apply high torque levels on tightly screwed rusty nuts and screws.

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automotive worker using a wrench

What you need to know

A cordless impact wrench is a battery-operated tool to tighten or loosen nuts and bolts. Because of advancements in battery technology, they have become a viable alternative to corded and pneumatic options. Many professional vehicle mechanics are already using cordless technology as their leading tool platform.

They are available in a variety of styles. One of which is characterized by two major design categories that include the cordless inline ratchet and pistol-grip. While the inline ratchet is more like a screwdriver, it is tool-belt portable and has a low-profile head design. It’s great for working in tight areas like engine bays. It is reinforced with steel housing for optimum control in any application. A pistol-grip design is shaped like a handgun. Some pistol grips are also compact to provide better access in small spaces. They are often heavy-duty, with plastic and steel housing and a rubber inlay for a firm grip while in operation. But generally, they have a hefty build to support larger socket sizes.

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cordless impact wrench

Battery power is another factor. Their power is measured in volts since batteries power them. Their standard voltage ranges from 18 to 20 volts. The higher the voltage figure, the larger the power it influences. It makes a 20-volt device better since it has more power. On the other hand, some top-brand-specific 18-volt options could outperform low-quality 20-volt units.

Torque is the twisting force that allows it to perform its function. It is another aspect to consider. It varies depending on the size of the tool. A 12-inch option has an average torque of 300 pound-feet, whereas a 34-inch one has 1,200 pound-feet. But the amount you need depends on your application. If you spend a lot of time doing automotive work, a 500 pound-feet or more is ideal. And for lighter jobs, a 200-250 pound-feet is more than appropriate.

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3 Types

cordless impact wrench being used

1. Air (pneumatic)

Pneumatic models were the industry standard in automotive shops and businesses. Because they require a connection to air compressors, the tools aren’t often used for home or DIY projects. Because the pneumatic air is used to power, the tool can be significantly more powerful than standard options. Still, they are less convenient because they require a compressor-hose connection. Common examples are Aircat pneumatic tools.

2. Corded

Corded impact wrenches are another forceful type. It may provide consistent power, which removes the need to monitor battery levels throughout operations. The only disadvantage is that you must be close to electrical outlets.

Besides this, we get to ask what AWG size you need for your project.

3. Cordless

These are battery-powered tools. They are significantly lighter than air tools, making them more portable for overhead usage or confined areas. When compared to its counterparts, the advantages of utilizing a cordless device include:

  • Not being reliant on an electrical cord.
  • Being free of a hose and air supply.
  • It requires less maintenance.
  • It gives you a wider range to work.
  • You can move around your vehicle freely.

They are becoming increasingly popular for most home-garage applications. Although they are less powerful than corded, they are favored because of their portability.

Battery ones provide more twisting force (torque). The chuck holds the screw while you hold it steady as it spins and provides quick, rapid bursts. Like any cordless tool, they use internal rechargeable batteries.

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What to look for

In general, not all models are the same. When choosing the right one for you, you can analyze a few factors.

cordless impact wrench
  • Socket sizes

These tools are available in a range of socket sizes for inline or pistol-grip uses. They are available in 14-inch and 38-inch. You can also find them available in 12-inch or 34-inch. You can even find 1-inch and 2-inch impact-rated sockets.

The friction ring design provides excellent socket retention while making socket changes easy. It’s done without using additional tools for those who frequently change socket sizes.

  • Torque

The twisting force is referred to as torque. A twist with a higher winding force is not always considered the best option. It always depends on the job you are doing. Don’t instantly assume that you need the most. Too much torque might cause your fastener to snap. A lower option guarantees that the bolts do not become overtightened. Some of the most recent models include customizable settings, giving you advanced functionality. It allows you to choose the appropriate power for a specific job.

Tighten the bolt to the appropriate tightness. The optimal tightening torque for nuts and bolts varies according to material and size, so make sure you check beforehand. Excessive tightening on a small bolt might cause it to strain or break. The tightening increases in direct proportion to operating time. Use the appropriate bolt operating time.


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  • Motor

A motor determines the power. The stronger it is, the more effective the tool. RPM and IPM indicate how many times the twist spins the socket and how many impacts the tool makes.

Brushless motors are used in the majority of the most recent versions. They are somewhat more expensive, but they make maintenance easier because there are only fewer components.

  • Brand

If you already have a collection of cordless tools, using the same cordless impact wrench brand may provide you with benefits. Aside from having various tools with the same brand look nice, having the same battery packs and charger may be pretty helpful.

metabo cordless impact wrench
  • Weight

A lightweight and small model relieves strain on the hand and wrist. Your arm will thank you since the tool is simpler to operate. It is also highly portable as it can fit in tight spaces.

mechanic using a wrench

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What is the best one for auto repair?

We did some research to find the best impact wrench for auto repairs. Here are our top picks.

Milwaukee 2762-20 with high torque for automotive applications.

Both pro and hobbyist automotive mechanics favor the Milwaukee 2762-20 based on reviews and scores.

The Milwaukee 2762-20 handles rusty bolts efficiently since it has a motor that provides 1000lb of bolt fastening torque. Its 1400lb bolt remover is powerful enough to extract lug bolts and wheel nuts. Its compact design offers outstanding convenience since it can easily reach tight areas. It is also lightweight, which reduces muscle fatigue and strain. Darkness will never be an issue as it features LED lights to illuminate the work area.

Setting it to bolt removal mode slows down to 750 RMP for a smooth finish. Its friction ring design allows for quick and easy socket changes. It is built of high-quality materials and has a sturdy construction. The construction build runs from the inside out, beginning with its RED lithium battery.

Milwaukee fuel ½” 

Another great option is the Milwaukee M18 fuel 12″ with a friction ring. The friction ring is for quick and easy socket changes with 1000 ft-lbs of fastening torque and 1400 ft-lbs of nut-busting torque. It eliminates the need for a pneumatic tool for difficult and corroded nuts. With its 2X faster speed, you can do your tasks more quickly while still offering a lot of power. It makes you more productive the entire day.

Furthermore, the compact cordless high torque beast enables easier access in small areas. In the event of overloading or overheating, REDLINK PLUS intelligence alerts the user. It also has a quality rubber over-mold that protects against corrosive elements and adds comfort when in use.

Impressive torque helps tighten wheel lug nuts while rotating tires or working on large tractors and construction equipment. It has yet to struggle with removing difficult bolts or nuts. It has a lot of power to be only an 18v pistol and is a must-have tool for car technicians or people operating big machines.

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Milwaukee ⅜”

The M18 gasoline 3/8” is the smallest category, almost a full inch shorter than the previous generation. It can still provide maximum efficiency with up to 250 ft-lbs of nut-busting torque. It is pretty small, measuring only 4.8” in length. It allows for optimum access in tight areas and visibility in the workstation. Its brushless motor has plenty of torque to remove rusted and difficult fasteners. The nice thing is that it has an auto shut-off control. It prevents overtightening and REDLINK PLUS intelligence for optimal performance and protection from overheating and overloading.

The tool is suitable for lug nut operations in nearly all automotive repairs and projects. Its strength easily outperforms some of the automotive tools, hands down.

Dewalt ⅜” cordless, 20v

The Dewalt 38″ is another best-in-class tool. It works on a 20v max battery power while offering the power you need. It is lightweight and ergonomic, making it ideal for confined spaces. It has three LED lights for visibility in low-light situations. Aside from increased efficiency and service life, its brushless motor provides a maximum torque of 150 ft-lbs. Use it for a wide range of fastening applications.

It’s a must-have tool with various triggers that allow you to control the speed of tightening or loosening bolts/nuts. It prevents overtightening and runoffs. It is very dependable for completing minor projects requiring 150-200 ft-lbs of torque. You know you have the right tool to get the job done while making your work more enjoyable. The handiest battery-powered model to own.

Milwaukee 2767 vs. 2763

Without question, Milwaukee products perform well when tightening bolts or loosening difficult and rusted nuts. The Milwaukee 2767 and Milwaukee 2763 models still have more than enough power to do the majority of the jobs in your garage.

I’ll go through each of the two power tools’ specific features and qualities to help you decide which one is best for you.

The Milwaukee 2767 is an upgraded model of the Milwaukee 2763. It has a tightening force of 1000 ft-lbs and a nut-busting force of 1400 ft-lbs. It also features four distinct speed settings, enabling you to choose the best speed for each application.

The Milwaukee 2767 is the most powerful 12″ Milwaukee option on the market. Therefore, you expect it to be more expensive. In the latest versions, the higher-end Milwaukee options may now be synced and controlled via your smartphone.

The Milwaukee 2763 is still quite powerful with 700 ft-lbs of tightening force and 1100 ft-lbs of nut-busting power. However, it has only two-speed settings yet delivers excellent outputs without runoffs. You will only pay somewhat less for this version than for its equivalent. The 2767 and 2763 models are light and powerful, and M18 batteries power them.

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The table below lists the main differences between the 2767 and 2763 models from Milwaukee:

 Milwaukee 2767Milwaukee 2763
Pounds of torque (ft-lbs)1000 ft-lbs tightening & 1400 ft-lbs nut-busting700 ft-lbs tightening & 1100 ft-lbs nut-busting
Model designUpgraded versionStandard version
Drive settings4 drive settings2 drive settings
MotorBrushless but a bit more powerfulBrushless
Key featuresThe new version features a torque setting that pairs with a smartphone to track the device’s location.Everything that typical older models can provide.
ForceIt has a stronger force to pull semi-truck bolts and other heavy-duty fasteners.Sometimes struggles to loosen heavy-duty bolts.

What is the most powerful ⅜” cordless impact wrench option?

Mechanics value the best cordless impact wrenches for superior nut-busting strength and mobility. You get the versatility of cordless equipment without the inconveniences of extension cables or air compressors. That is what a 38″ option is all about. They walk the line between brute force and precision power control.

Each kind of 3/8″ has its own set of advantages and disadvantages. As with the prior evaluations and comparisons we performed between each brand. Among other things, the Milwaukee Fuel 38″ stands out. It is exceptionally strong yet very comfortable, with absolute power and significant torque.


In terms of performance and safety, it’s essential to know the instructions for using a cordless impact wrench before using it.

It is essential to know the instructions for using any tool.

This way, you will complete the project you are working on without any problems or accidents.

If you’re unfamiliar with the instructions for using a cordless impact wrench, don’t worry.

That’s why we’re here.

To guide you and give you the best advice.

When it comes to handling a wireless impact wrench, our recommendations are as follows:

How to use a cordless impact wrench?

  1. Prepare your battle gear.

    You wouldn’t want to find out in the middle of a battle that you forgot to take your gun with you, would you?
    Well, that’s the case here too.
    You don’t want to find out in the middle of the project your cordless impact wrench doesn’t have a charged battery. The use of a cordless impact wrench with a low battery will be short.

    This means it will run out of power after a while and stop working. Now you’re going to have to stop working on the project and put the critical battery in charge.

    This can be unpleasant at times, especially if you want to finish the project quickly. The problem with lost time is not the only one that arises from using a cordless impact wrench with a discharged battery.

    Its lifespan and performance can also be affected if used at a low load level. Make sure the cordless impact wrench battery is charged before you start using it.

  2. The type of socket used matters.

    Not every type of socket can be used with a cordless impact wrench.

    For optimal and accident-free use, you need to ensure that the type of socket used is compatible with the kind of wrench to which it is to be attached.

    Try looking for types of sockets that have been specifically designed to be used with an impact wrench.

    Only they can meet the usage requirements of a wireless impact wrench.

  3. The size of the socket is just as important.

    We have already decided that the type of socket used is essential.
    But do you know what else is just as important?
    The size of the socket used.
    Using the wrong size socket can lead to many problems.
    And for these problems, the difference between the right and the wrong side of the socket should not be too big.
    Suppose you use a socket that is only one millimeter larger than the ideal size.
    In that case, this may damage the following components:
    – the socket used
    – the screw you want to insert or remove
    – the cordless impact wrench
    And if things go wrong, even you could get hurt in the process.
    So make sure the size used is the right size to avoid an accident.

  4. Carefully attach the socket.

    Now you’ve got the ideal socket type and chosen the right size. It’s time to attach the socket to the cordless impact wrench.
    The best way to do this is to follow the instructions provided by the company that produced the socket.
    These should be written on the package in which the socket was packed.
    If you follow these instructions carefully, the installation of the socket should go smoothly.

  5. Safety comes first.

    It is essential to protect yourself when using a cordless impact wrench.
    Using one without proper protective equipment can result in injury and various accidents.
    We suggest wearing goggles when using a cordless impact wrench for your safety.
    And if you think that the noise produced by it is loud, you can also wear a pair of headphones.
    By following these instructions, you will be able to use a cordless impact wrench without worrying about accidents.

  6. Put everything in its place.

    Before starting work on the project, ensure that the battery is inserted into the cordless impact wrench.
    Without this, the cordless impact wrench will not work.

  7. Set the direction.

    What are you going to do with the cordless impact wrench?
    Are you going to insert a screw?
    Or are you going to pull a screw?
    Depending on what you intend to do with the cordless impact wrench, you will need to set its direction before you can begin work.
    If you are going to insert a screw, you will need to set the direction of the cordless impact wrench in the insertion direction.
    And if you want to remove a screw, you will need to set the direction of the cordless impact wrench in the order of extraction.

  8. Do a little test before you start.

    To ensure that the cordless impact wrench works properly before you start working on the project, do a little test on it.
    Turn it on and let it go for a while to see if its speed is optimal.
    Also, look carefully if the direction of rotation is the one you have selected.
    Everything works on the cordless impact wrench if the rotation speed and direction seem right.
    Now you can use it without worries because it will work at optimum performance.

  9. Choose the required speed level.

    Depending on the type of project you are working on, you will need to set the rotation speed of the cordless impact wrench.
    Some projects may require a higher speed to be completed, while some require a lower rate.
    You need to look at the speed level you need and select it.

Which cordless impact wrench has the most torque?

From our point of view, the cordless impact wrench with the highest torque power is the Milwaukee 2762-20. If you need a cordless impact wrench to perform future projects on your machine, this impact wrench is what you need.

Maybe you are a professional car mechanic and are looking for a cordless impact wrench to meet the needs of your workplace. This is the right choice.

This cordless impact wrench can handle any project thanks to the powerful motor. You need to tighten some screws, but they are rusty and do not move?

No problem.

Thanks to the engine’s clamping force of 1000 lbs, this cordless impact wrench can tighten some rusty bolts without any problems.

Do you want to extract some lug bolts or some wheel nuts? Also, this is nothing for the 1400 lb torque force of this impact wrench.

What size impact wrench do I need to remove lug nuts?

An impact wrench that removes nuts should be 3/8 inch or 1/2 inch in size. Why only these two sizes are suitable for removing nuts, you might be wondering?

It’s because only these two sizes can exert enough force to remove even the toughest nuts.

What makes them unique is that they can provide the optimum torque level for nut removal. And this is essential because too much torque force applied to the nuts could damage them.

Most people use the 1/2 inch impact wrench to remove the nuts. They prefer this one because it has a higher extraction power. But this extra power comes with its disadvantage. This impact wrench will be priced higher.

What is the most powerful 1/2-inch cordless impact?

The 1/2 inch cordless impact wrench with the highest torque power is the Milwaukee M18 fuel 1/2.
The motor of this cordless impact wrench has a clamping force of 1000 ft-lbs.

And the extraction power is just as impressive at 1400 ft-lbs.
If you needed a pneumatic wrench to take care of worn and worn nuts until now, forget about it.

Now you can deal with them with this impact wrench.
And thanks to the speed that is twice as fast as an ordinary impact wrench, now you can finish your job much quicker.

But do not imagine that this increased operating speed will decrease engine power.
It can exert the same high level of torque force.

What is good torque for an impact wrench?

Depending on the type of project you will use the impact wrench on, it is best to turn it between 350 and 750 ft-lbs.
Different projects require different torque forces.
For example, let’s say you want to remove some nuts from your car’s wheels.

The torque power you need does not have to be high to achieve this project.
Three hundred fifty ft-lbs should be enough to get the job done.

But let’s just say you’re working on a more significant project than that.
For example, suppose you want to build some train tracks.

This project requires more power than removing the nuts from the car’s wheels.
Twice as much power, to be exact.

Seven hundred fifty ft-lbs should be enough for this project.
So, an impact wrench with torque power within this range should be optimal for any project.

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