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Best Overall
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Aircat 1250-K ½-Inch Nitrocat Kevlar Impact Wrench
Best Bang For The Buck
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ACDelco ANI405A Pneumatic Air ½-Inch Impact Wrench
Upgrade Pick
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Ingersoll Rand 2235QTiMAX ½-Inch Impact Wrench
It’s difficult to imagine the immense twisting force that an air impact wrench can apply. Here’s an example: A nut that is “hand tight” requires a pressure of about 2 pounds per square foot, or 2 foot-pounds (ft-lbs). The best air impact wrenches multiply that energy more than 500 times. Air impact wrenches make easy work out of otherwise tough jobs like loosening lug nuts, in which an extension bar on a standard wrench can prove insufficient. You won’t find a pro auto shop without an impact wrench for tires, and they’re also used in engineering and construction.
Air impact wrenches are neither complicated nor difficult to use, so there’s no reason amateur mechanics shouldn’t have one of these tools at home, especially if they already own an air compressor. We tested five impact wrenches and found the Aircat 1250-K, with its high torque output (twisting force) and sturdy build, to be the best of the bunch.
We compiled the following sections to help you understand the important features of these handy tools. This information can help you find the best air impact wrench for the job.
- BEST OVERALL: Aircat 1250-K ½-Inch Nitrocat Kevlar Impact Wrench
↓ Jump to Review - BEST BANG FOR THE BUCK: ACDelco ANI405A Pneumatic Air ½-Inch Impact Wrench
↓ Jump to Review - UPGRADE PICK: Ingersoll Rand 2235QTiMAX ½-Inch Impact Wrench
↓ Jump to Review - BEST COMPACT: Aircat 1056-XL ½-Inch Nitrocat Compact Impact Wrench
↓ Jump to Review - BEST FOR HOME MECHANICS: DeWalt DWMT70773L ½-Inch Drive Impact Wrench
↓ Jump to Review - BEST HIGH-POWERED: Aircat 1150 ½-Inch Composite Impact Wrench
↓ Jump to Review - BEST FOR LUG NUTS: Ingersoll Rand 232TGSL ½-Inch Impact Wrench
↓ Jump to Review - BEST ERGONOMIC: Campbell Hausfeld ½-Inch Impact Wrench
↓ Jump to Review - HONORABLE MENTION: Workpad ½-Inch Mini Air Impact Wrench
↓ Jump to Review
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Torque | Speed | Noise level | |
Aircat 1250-K ½-Inch Nitrocat Kevlar Impact Wrench | 1,300 ft-lbs | 8,500 RPM | 86 decibels |
ACDelco ANI405A Pneumatic Air ½-Inch Impact Wrench | 500 ft-lbs | 8,000 RPM | 97.7 decibels |
Ingersoll Rand 2235QTiMAX ½-Inch Impact Wrench | 1,300 ft-lbs | 8,500 RPM | 88.7 decibels |
Aircat 1056-XL ½-Inch Nitrocat Compact Impact Wrench | 750 ft-lbs | 9,000 RPM | 85 decibels |
DeWalt DWMT70773L ½-Inch Drive Impact Wrench | 650 ft-lbs | 7,500 RPM | Unlisted |
Aircat 1150 ½-Inch Composite Impact Wrench | 900 ft-lbs | 9,0000 RPM | 86 decibels |
Ingersoll Rand 232TGSL ½-Inch Impact Wrench | 500 ft-lbs | 10,000 RPM | 105.2 decibels |
Campbell Hausfeld ½-Inch Impact Wrench | 550 ft-lbs | 8,000 RPM | Unlisted |
Workpad ½-Inch Mini Air Impact Wrench | 500 ft-lbs | 10,000 RPM | 112 decibels |
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Our Top Picks
We chose the following air impact wrenches for their performance, reliability, and value. While Aircat and Ingersoll Rand dominate the market, some interesting alternatives exist in several categories.
Best Overall
Aircat 1250-K ½-Inch Nitrocat Kevlar Impact Wrench
What We Like
- Powerful lug nut-removing torque for changing tires
- Pro-level build quality
- Three torque settings for tightening
What We Don’t Like
- Only one torque setting for reverse
Specs
- Torque: 1,300 ft-lbs
- Speed: 8,500 revolutions per minute (RPM)
- Noise level: 86 decibels
Our Ratings: Ease of Use 5/5; Ergonomics 4/5; Performance 5/5; Noise 5/5; Value 4/5
The ½-inch Nitrocat air impact wrench is an outstanding tool from the Aircat range. In terms of pure performance, to say it is impressive is an understatement. But there’s no denying that it is expensive, and casual or home users are unlikely to need the performance it delivers.
Its breakaway torque is 1,300 ft-lbs, with a normal level of 950 ft-lbs. That showed during testing. Of the five impact wrenches we tested, the Nitrocat offered the least resistance when removing lug nuts from our Toyota Tundra, spinning off each lug nut with ease using our 21-millimeter impact socket.
To maximize control, this high-torque impact wrench contains a three-way adjustment, including three torque settings for tightening bolts. This was handy in avoiding over-torquing our lug nuts when we were reattaching them. But when it comes to removal, the impact wrench only has a single torque setting. While this didn’t impact performance, it was overkill for removing our lug nuts and could potentially cause them to spin off the socket and go flying through the air.
The Nitrocat is built to take a beating with a heavy-duty stainless steel housing and Kevlar-reinforced body that’s durable enough to handle a professional shop.
For all its power and rock-solid build quality, the Nitrocat 1250-K air impact wrench still weighs under 5 pounds. The Aircat comes with a steep price tag, but for serious home mechanics or those who work on other people’s cars, it’s a worthy investment.
What our tester says: “The Aircat somehow manages to produce ample power while at the same time operating with very little vibration or noise.” —Tony Carrick, Product Reviews tester and writer
Get the Aircat 1250-K air impact wrench at Amazon or The Home Depot.
Best Bang for the Buck
ACDelco ANI405A Pneumatic Air ½-Inch Impact Wrench
What We Like
- Fraction of the price of competing impact wrenches
- 5-speed design adds versatility
- Durable build quality
What We Don’t Like
- Lacks the power of higher-end impact wrenches
Specs
- Torque: 500 ft-lbs
- Speed: 8,000 RPM
- Noise level: 97.7 decibels
Our Ratings: Ease of Use 4/5; Ergonomics 4/5; Performance 3.3/5; Noise 3/5; Value 4.5/5
The ½-inch ACDelco air impact wrench is a high-quality all-around tool that offers excellent value without much sacrifice. Its 500 ft-lbs of max torque is well below the top-performing impact wrenches on this list, but for most home mechanics, it’s more than sufficient. While we experienced a little hesitation when breaking the lug nuts on our truck free, the wrench still removed the lug nuts and did so fairly quickly. The torque output is not adjustable, but the speed adjusts via four settings that go to a maximum free speed of 8,000 RPM, giving some flexibility when working with different-size nuts
The ACDelco is noticeably louder than the other impact wrenches we tested, which is in line with its rating of 97.7 decibels. It’s heavier, too, weighing in at nearly a pound more than our top pick for this guide, though it is well balanced, and the handle does feel comfortable to hold. With its stainless-steel housing, this air impact wrench feels durable, but the steel housing does nick and scratch fairly easily.
The ACDelco’s limited torque wouldn’t pass muster for most professional auto shops, but it’s certainly adequate for home mechanics working on their own vehicles. Moreover, its low cost puts it within reach of users who might not have considered owning an air impact wrench.
What our tester says: “While the ACDelco may not match other air impact wrenches in power, it’s hard not to like the performance it offers at a super low price.” —Tony Carrick, Product Reviews tester and writer
Get the ACDelco air impact wrench at Amazon or Walmart.
Upgrade Pick
Ingersoll Rand 2235QTiMAX ½-Inch Impact Wrench
What We Like
- Produces a tremendous amount of torque
- Operates with very little vibration
- Durably built yet surprisingly light
What We Don’t Like
- Comes with a steep price tag
- Hard plastic handle
Specs
- Torque: 1,300 ft-lbs
- Speed: 8,500 RPM
- Noise level: 88.7 decibels
Our Ratings: Ease of Use 5/5; Ergonomics 4/5; Performance 4/5; Noise 5/5; Value 4/5
With a nut-busting torque rating of 1,300 ft-lbs and a standard rating of 900 ft-lbs, the ½-inch 2235QTiMAX air impact wrench from Ingersoll Rand is among the most powerful tools in its class. A four-stage power regulator provides excellent control, and the twin hammer action runs at 1,220 blows per minute (BPM).
All of those impressive specs added up to outstanding performance in testing. The 2235QTiMAX spun off our lug nuts rapidly with little resistance. Despite all that power, this heavy-duty impact wrench operates smoothly with very little vibration, making it comfortable to use. We also liked the versatility of the torque adjustment dial, which works when both tightening and in reverse. This allowed us to slow down the tightening speed to avoid over-tightening while also dialing back the power after breaking free a lug nut to prevent spinning it off into the air. Our only gripe is with the lack of a rubber grip on the hard plastic handle.
The 2235QTiMAX is also built like a rock with a titanium case that’s impact- and chemical-resistant. It’s clearly a tool that is built for professional auto mechanics. Despite its sturdy build, it weighs just 4.6 pounds.
The Ingersoll Rand 2235QTiMAX is easily the most expensive impact wrench on our list, but it’s worth the splurge for those who spend most of their weekends working in their home auto shop or those who work on other people’s cars for a living.
Get the Ingersoll Rand 2235QTiMAX air impact wrench at Amazon or Northern Tool + Equipment.
Best Compact
Aircat 1056-XL ½-Inch Nitrocat Compact Impact Wrench
What We Like
- Compact design can fit into tight spaces
- Surprisingly powerful considering small, lightweight build
- Convenient power controls on the trigger
What We Don’t Like
- Fair amount of vibration when using
Specs
- Torque: 750 ft-lbs
- Speed: 9,000 RPM
- Noise level: 85 decibels
Our Ratings: Ease of Use 4/5; Ergonomics 4/5; Performance 3.8/5; Noise 4/5; Value 5/5
The Aircat 1056-XL’s compact lightweight design, surprising power, and affordable price tag make it a great choice for home auto mechanics. This impact wrench is the easiest to use of the five impact wrenches we tested thanks to its compact size. Its head measures just 4.25 inches front to back, it weighs only 2.5 pounds, and it has an ergonomic grip. This makes the 1056-XL easy to use with one hand in tight spaces, allowing access to bolts located deeper inside the engine bay. We also like the trigger-mounted power management switch, which makes it easy to adjust torque and speed without changing position or shifting the grip.
Despite its small size, this Aircat has a high breakaway torque of 750 ft-lbs, which was plenty of power for removing lug nuts from our truck rims, though we did notice significantly more vibration with this impact wrench over beefier models. With a max speed of 9,000 RPM, we never felt like this was an impact wrench that would slow us down. The Aircat 1056-XL has a composite housing that gives it a solid, durable feel, even with its lighter overall weight. And at just 85 decibels, the Aircat 1056-XL air impact wrench is among the quietest tools on this list. Add to that an affordable price tag, and the Aircat 1056-XL is a great option for home mechanics or as a travel tool for mechanics on the go.
Get the Aircat 1056-XL air impact wrench at Amazon or The Home Depot.
Best for Home Mechanics
DeWalt DWMT70773L ½-Inch Drive Impact Wrench
What We Like
- Ergonomic handle with shock-absorbing rubber grip
- Easy-access switch on the trigger
- Great cost value
- High breaking torque of 1,200 ft-lbs
What We Don’t Like
- Noticeable vibration when operating
- A little top-heavy
Specs
- Torque: 650 ft-lbs
- Speed: 7,500 RPM
- Noise level: Unlisted
Our Ratings: Ease of Use 4/5; Ergonomics 4/5; Performance 4/5; Noise 4/5; Value 5/5
The DeWalt ½-inch drive impact wrench provides both power and ease of use with its rugged, high-powered design and the ability to use with a one-handed grip. While the DeWalt operates at a lower speed and torque than some of the top-of-the-line models that cost twice as much, it does have a breaking max torque of 1,200 ft-lbs, which is more than enough to break even tougher lug nuts. It didn’t hesitate after repeated efforts to remove lug nuts during testing.
The DeWalt has more vibration than some of the pricier impact wrenches we tested, but it makes up for it with an ergonomic handle and shock-absorbing rubberized grip that makes it comfortable to hold. We also like the three variable-speed power settings that can be adjusted via the built-in power dial, and a direction switch that’s located at the trigger for easy access. The DeWalt also has a durable feel with a hard plastic housing and rubber bumpers on the sides that protect against scuffing or scraping.
While the DeWalt’s lower torque output means it won’t find a place in many professional auto shops, its high breaking torque output makes it more than powerful enough for automotive maintenance at home. Plus, it costs hundreds of dollars less than those higher-end impact wrenches.
Get the DeWalt air impact wrench at Amazon or The Home Depot.
More Great Options
Along with the products we hands-on tested, we also recommend the following impact wrenches, which we selected based on extensive research and customer reviews.
Best High Powered
Aircat 1150 ½-Inch Composite Impact Wrench
What We Like
- Produces high amount of torque
- Quiet operation volume at just 86 decibels
- Lightweight, ergonomic option at just 4.5 pounds
What We Don’t Like
- Longer head won’t fit into tight spaces
Specs
- Torque: 900 ft-lbs
- Speed: 9,000 RPM
- Noise level: 86 decibels
With so many good tools around, it’s tough to pick the best air impact wrench for everyone’s power needs. However, the ½-inch Aircat 1150 is likely to appeal to most people, as it certainly offers impressive performance.
The loosening torque of 1,295 ft-lbs should raise a few eyebrows as well as the standard operating torque at 900 ft-lbs with three-way adjustment. A twin hammer action works at 1,400 impacts per minute (IPM), and the free speed is 9,000 RPM; plus, at 4.5 pounds, this is not an unwieldy tool. It’s also among the quieter air impact wrenches at just 86 decibels. Plus, the ergonomic handle prevents any strain on the user’s wrists or hands.
Available as a stand-alone tool or with a number of extras, this model comes with three invaluable extensions to increase reach and versatility.
Get the Aircat 1150 air impact wrench at Amazon or The Home Depot.
Best for Lug Nuts
Ingersoll Rand 232TGSL ½-Inch Impact Wrench
What We Like
- High free speed of 10,000 RPM
- Ample nut-busting torque
- Designed to look like NASCAR impact wrenches
What We Don’t Like
- Heavy overall weight
- Very noisy at 105 decibels
Specs
- Torque: 500 ft-lbs
- Speed: 10,000 RPM
- Noise level: 105.2 decibels
Lug-nut removal is one of the most common uses for air impact wrenches, and the ½-inch Ingersoll Rand 232TGSL air impact wrench is designed specifically for this purpose. While largely intended for professional use, it also makes a good addition to a home auto enthusiast’s tool kit.
NASCAR fans might recognize its design since it’s based on the racetrack version of the tool. The 232TGSL produces 625 ft-lbs of maximum reverse torque and 500 ft-lbs of forward torque, with a regulator for power adjustment. Its BPM is 1,250, and with a free speed of 10,000 RPM, it’s the fastest full-size air impact wrench currently available.
At 6 pounds, it’s a bit of a handful, and it’s quite loud at 105.2 decibels. Nevertheless, for those who remove lug nuts all day, the performance is hard to beat.
Get the Ingersoll Rand 232TGSL air impact wrench at Amazon or Tractor Supply Co.
Best Ergonomic
Campbell Hausfeld ½-Inch Impact Wrench
What We Like
- Well-balanced for ease of use
- 3 power settings
- Ergonomic rubberized grip
What We Don’t Like
- Weighs over 5 pounds
Specs
- Torque: 550 ft-lbs
- Speed: 8000 RPM
- Noise level: Unlisted
Campbell Hausfeld is perhaps better known for its high-performance compressors, but its ½-inch air impact wrench has plenty to offer the home auto enthusiast and DIY user. Although at 5.2 pounds it weighs more than some, it’s a well-balanced tool with a tough but comfortable rubberized grip and protective body armor.
This impact wrench’s working torque of 550 ft-lbs is plenty for the home user, with three power settings to maximize control. Its free speed is 8,000 RPM, and the hammer action produces 1,200 IPM.
Get the Campbell Hausfeld air impact wrench at Amazon or The Home Depot.
Honorable Mention
Workpad ½-Inch Mini Air Impact Wrench
What We Like
- Can fit into tight spaces
- Adjustable power settings prevent over-tightening
- Surprisingly powerful for its size
What We Don’t Like
- Not ideal for heavy-duty applications
Specs
- Torque: 500 ft-lbs
- Speed: 10,000 RPM
- Noise level: 112 decibels
Although Workpad may not be a top brand name, its ½-inch air impact wrench has all the features offered by many of its rivals and may be all that many home users need.
Although it’s called a “mini” air impact wrench, the term applies to its compact size and is no reflection on performance. In fact, the power-to-weight ratio is excellent. A maximum of 500 ft-lbs of torque is available, and there’s a three-position regulator for easy adjustment. Free speed is 10,000 RPM.
The tool has a durable, corrosion-resistant aluminum body that keeps its weight down to 3.3 pounds. The only drawback is the noise; at 112 decibels, it’s louder than many.
Get the Workpad air impact wrench at Amazon.
Jump to Our Top Picks
How We Chose and Tested the Best Air Impact Wrenches
When gathering our top picks for this guide, we looked at a range of brands to find suitable options across a variety of categories. All of our recommendations are from reputable manufacturers that produce robust tools with respectable power and are made from high-quality materials that can stand up to heavy use.
Our list of recommendations ranges from 500 to 1,300 ft-lbs of torque output, with options to suit many shoppers’ needs. We also considered noise level, reviewing tools that produce a relatively quiet 85 decibels up to 105 decibels.
Of our nine selections, we hands-on tested five. Our testing involved using each impact wrench to remove large lug nuts on a Toyota Tundra with a 21mm-deep impact socket from a Neiko Drive Master ½” impact socket set, which we had previously tested as part of a guide covering the best socket sets. Each socket was tightened to 97 ft-lbs. We evaluated each impact wrench based on several factors, including how easy it was to break each lug nut loose and remove it, the amount of vibration produced by each impact wrench, and each model’s noise level. Finally, we considered each impact wrench’s weight, ergonomics, and build quality.
Ease of Use | Ergonomics | Performance | Noise | Value | |
Aircat 1250-K ½-Inch Nitrocat Kevlar Impact Wrench | 5 | 4 | 5 | 5 | 4 |
ACDelco ANI405A Pneumatic Air ½-Inch Impact Wrench | 4 | 4 | 3.3 | 3 | 4.5 |
Ingersoll Rand 2235QTiMAX ½-Inch Impact Wrench | 5 | 4 | 4 | 5 | 4 |
Aircat 1056-XL ½-Inch Nitrocat Compact Impact Wrench | 4 | 4 | 3.8 | 4 | 5 |
DeWalt DWMT70773L ½-Inch Drive Impact Wrench | 4 | 4 | 4 | 4 | 5 |
What to Consider When Choosing an Air Impact Wrench
Most people’s mental image of an air impact wrench typically includes an auto mechanic attacking stubborn lug nuts. While that’s certainly a popular use for these air tools, they are versatile enough to tackle almost any hexagonal fixing. When shopping for an air impact wrench, consider the following technical features.
Torque
Torque is rotational force: the energy required to loosen or tighten screws, nuts and bolts, and other fasteners. It is generated by using a screwdriver or a wrench to tighten screws and nuts.
An air impact wrench can generate far more torque than even the strongest person. The most powerful models in this guide produce well over 1,000 ft-lbs. However, when shopping for the best air impact wrench for specific needs, remember that it’s more important to have the right amount of torque rather than the maximum available.
While users with heavy-duty needs might need the highest torque levels possible, any tool that generates 400 to 500 ft-lbs is sufficient for most users. The terms “nut busting” and “breakaway torque” are used frequently to indicate the maximum torque available for releasing difficult fixings. However, normal operating torque is lower. Depending on the intended use, it may be worth checking forward and reverse torque figures, as they often differ.
Rotation Speed and Impacts
Rotational speed, which appears in RPM on the label, is not the same as torque. Here it’s not about energy but about how quickly the socket spins. It’s an important consideration for those who work on multiple fixings, because it impacts how quickly they can be fastened or loosened. Manufacturers usually describe rotation speed as “free speed” or “no load speed,” which assumes no effort is required to turn the fixing. In the real world, even a small amount of mechanical friction reduces this speed. Nevertheless, knowing the speed is useful for comparison.
Air impact wrenches contain hammer mechanisms within the tool that jolt the socket to increase the effectiveness of the torque. Specifications are stated in impacts per minute (IPM) or, sometimes, blows per minute (BPM). A higher number generally means a more aggressive action, so if you’ll be regularly working with tough fixings, this is another area that warrants attention. That said, high IPM also means the tool vibrates more, which increases user fatigue. Twin hammer actions help balance vibration; while tools with twin hammers still vibrate, the effect is less severe.
Additional Features
- Air demands: All air tools need a portable air compressor to supply sufficient air pressure and volume. Pressure is stated in pounds per square inch (PSI) and volume in standard cubic feet per minute (SCFM, or sometimes just CFM). Air impact wrenches don’t have particularly high-pressure needs, but CFM demands can be higher than other tools. Checking these demands is vital. Many otherwise very good home air compressors may not produce the required supply.
- Weight and grip: Air impact wrenches come in a variety of sizes and materials. Weight can have a big impact on manageability and user fatigue, so while lighter tools usually cost more (because the materials are more expensive), it’s often money well spent. Users also need a good grip on the handle both for control and safety. Contoured and rubberized areas generally improve grip and ergonomics.
- Noise levels: The hammer action generated by an air impact wrench is loud. While better manufacturers try to reduce noise, most tools still exceed current safety levels. Always wear ear protection while using an air impact wrench.
- Sockets: ¼-inch drives exist on light-duty air impact wrenches, but most measure ⅜ inch or ½ inch. This measurement specifies the size of sockets needed. The sockets should be of good quality and marked as “impact ready” or something similar. Cheap socket sets are unlikely to stand up to the pounding they receive and can actually shatter under the force.
Tips for Using an Air Impact Wrench
Always be aware of the important practical and safety aspects of using these powerful tools.
A key component that may be overlooked is the compressor required to supply air. Take into account the necessary air supply specifications, but remember that optimal performance is achieved only if the compressor is properly maintained. While air impact wrenches require little maintenance, regular lubrication is vital. In both cases, always follow the manufacturer’s recommendations.
In addition:
- Make sure the air hose is properly connected to the compressor and that the air supply to the air impact wrench is set at the correct pressure (PSI).
- Although many air impact wrenches can be used with one hand, make certain to keep a good grip on the tool when loosening tight nuts and bolts. If the fixing breaks away suddenly, the torque reaction can make the tool jump and cause a nasty wrist sprain.
- Be careful when tightening nuts and bolts. If the torque is too high, the power of the air impact wrench can easily strip threads. If the tool is adjustable, always start at low pressure, then increase it if the fixing is not tight enough.
- Always wear some kind of ear protection. Even “quiet” air impact wrenches may still exceed the 80-decibel limit above which hearing damage can occur.
FAQs
The information provided here is a comprehensive overview of these tools and should help you find the best air impact wrench for your needs. We’ve backed the information with a host of real-world examples of the top tools available. However, a number of questions crop up frequently, so yours may be answered below.
Impacts per minute, also referred to as blows per minute, is how fast the tool’s internal hammer action works to help loosen tough fixings. However, as explained, it’s just one factor to consider.
The best air impact wrenches contain a “power regulator” (also called an “air pressure flow switch”) to adjust the air supply independently of the compressor. This effectively allows more precise control of torque. It’s sometimes referred to as speed control, though technically, that’s not an accurate term.
It depends on the task. The best cordless impact wrenches are less-powerful but convenient tools, particularly for light-duty tasks. However, some struggle with higher torque demands and their runtimes can be underwhelming. Corded impact guns often outcompete their cordless impact gun rivals. In many cases, although a battery impact wrench may be a good choice for a home garage or the job site, most automotive and engineering professionals choose an air tool, perhaps in part because a compressor is usually available.
Drive size describes the size of the socket that the impact wrench uses. Most measure either ⅜ inch or ½ inch. If you already own impact-compatible sockets, this is important. Adapters are available, but using one is not an ideal solution. If buying both an air impact wrench and sockets, a ½-inch drive model is generally the more powerful option.
Removing lug nuts requires around 100 ft-lbs of torque, so it’s a good idea to have an impact wrench that offers at least 150 ft-lbs. While some electric impact tools might struggle to achieve this, most air impact wrenches can do so comfortably. Never put lug nuts back on with an air impact wrench, because you can easily overtighten them or strip the threads. Use a manual torque wrench to set them to the tightness recommended by the vehicle manufacturer.
Each tool has its own demands. Pneumatic air wrenches need anywhere from 80 to 150 PSI, so it’s a figure that should be checked like air consumption.
Meet the Tester
Tony Carrick is a freelance writer specializing in home improvement, landscaping, technology, home security, and design. His articles have been featured on such sites as Popular Mechanics, Futurism, SFGate, Pro Tools Review, and more. Tony has conducted rigorous product testing on everything from power tools to home security systems to backyard grills. With each review, his goal is to help readers determine whether a product meets their needs and if it is or isn’t worth its price tag.
Additional research provided by Bob Beacham.