
The 20 amp electric impact wrench is a powerful tool that can make light work of tightening and loosening bolts, lug nuts, and rusted fasteners. With a high torque output and minimal exertion required by the user, it's no wonder these tools are a favourite among mechanics and DIY enthusiasts alike.
One of the biggest advantages of a 20 amp electric impact wrench is its mobility. Unlike its pneumatic cousins, which require a cumbersome air compressor to function, electric impact wrenches can go wherever they are needed. This freedom of movement, combined with their immense power, makes them a versatile tool for any project.
When choosing an electric impact wrench, it's important to consider the voltage. Higher voltages typically mean more power, but lower voltages, like 12-volt wrenches, can be more compact and better suited for smaller jobs or tight spaces. It's also worth noting that impact wrenches come in different drive sizes, with the most common size being 1/2-inch, which is suitable for most applications.
Whether you're a professional or a hobbyist, a 20 amp electric impact wrench can be a valuable addition to your toolbox.
Characteristics | Values |
---|---|
Brand | DEWALT, Milwaukee, Porter-Cable, Seesii, AOBEN, Yougfin, CRAFTSMAN, WORX, DCA, SKIL, Alloyman, Dong Cheng, Avid Power, Ryobi, Flex, Ridgid, Ingersoll Rand |
Voltage | 20V |
Max Torque | 330-1500 ft-lbs |
Speed Settings | 3-4 |
IPM | N/A |
RPM | N/A |
Weight | 6-7.2 lbs |
Length | 10 inches |
Battery | 4.0Ah, 5Ah |
Charge Time | 1 hour |
What You'll Learn
- Best Overall: Milwaukee M18 Fuel 1/2-Inch Impact Wrench
- Best Compact Impact Wrench: DeWalt Atomic 20V Max Compact 1/2-Inch Impact Wrench
- Best Torque: Ingersoll Rand ½-inch High-Torque 20V Impact Wrench
- Most Power: DeWalt 20V Max XR 1/2-Inch Impact Wrench
- Best Value: Ryobi 18V One+ 1/2-Inch Impact Wrench
Best Overall: Milwaukee M18 Fuel 1/2-Inch Impact Wrench
The Milwaukee M18 Fuel 1/2-Inch Impact Wrench is a heavy-hitter when it comes to impact wrenches. It's bigger, weightier, and has a torque of 1,400 foot-pounds. This impact wrench is an excellent choice for major jobs such as heavy equipment repair, industrial maintenance, and applications where you need to tackle big, tough nuts and bolts.
Key Features
- Four modes, three different speeds, and a bolt removal mode: This allows you to easily set the speed and torque for the job at hand. The bolt removal mode is especially handy as it slows down once a nut or bolt breaks loose, preventing it from running off the end and flying off.
- Powerful performance: With a torque of 1,400 foot-pounds, this impact wrench makes light work of even the most stubborn lug nuts and rusty bolts.
- Excellent battery capacity: The M18 Fuel impact wrench is powered by a long-lasting battery, ensuring you can get the job done without constant interruptions for charging.
- Comfortable and easy to use: The concussive blows of the impact wrench are smoothly transferred to the fastener, reducing the reactionary torque felt in your hand, wrist, or arm. This makes it extremely comfortable to use, even for extended periods.
- Durable construction: The Milwaukee M18 Fuel impact wrench is built to last, with a sturdy design that can withstand the demands of heavy-duty applications.
The Milwaukee M18 Fuel 1/2-Inch Impact Wrench is a top choice for anyone needing a powerful, versatile, and easy-to-use impact wrench. Its high torque, multiple speed settings, and comfortable design make it a favourite among professionals and DIY enthusiasts alike.
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Best Compact Impact Wrench: DeWalt Atomic 20V Max Compact 1/2-Inch Impact Wrench
The DeWalt Atomic 20V Max Compact 1/2-Inch Impact Wrench is an incredibly impressive tool that immediately jumps to the front of the class for power. Its compact size and lightweight design make it a favourite among mechanics, contractors, and other professionals who need high performance in tight spaces.
Performance
The DeWalt Atomic 20V Max Compact 1/2-Inch Impact Wrench delivers strong performance with up to 300 ft-lbs of max fastening torque and 450 ft-lbs of max breakaway torque. It offers enhanced user control with four speed settings, including Precision Wrench™ control and Timber Screw™ mode. The Precision Wrench™ control feature helps prevent overtightening and fastener run-off, while the Timber Screw™ mode optimises the tool's speed when fastening wood.
Design
The impact wrench features a compact design with a tool length of 4.95 inches, making it easy to manoeuvre in tight spaces. It has a slightly angled head, providing better access in confined areas. The glass-filled nylon housing provides resistance to damage from some oils and solvents, ensuring the tool's durability.
Features
The DeWalt Atomic 20V Max Compact 1/2-Inch Impact Wrench is equipped with LED lights that improve visibility in dimly lit workspaces. It also has a hog ring anvil for rapid and secure socket changes. The tool has a 3-year limited warranty, a 1-year free service, and a 90-day satisfaction guarantee.
Price
The bare tool is priced at $199, while the kit options with two 5.0Ah batteries range from $399 to $499. The kits with oil-resistant batteries are priced at $499.
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Best Torque: Ingersoll Rand ½-inch High-Torque 20V Impact Wrench
The Ingersoll Rand 1/2-inch High-Torque 20V Impact Wrench is an excellent choice for anyone seeking a powerful and reliable tool for their garage. With a whopping 1500 feet-pounds of nut-busting torque, this impact wrench is a cut above the rest when it comes to loosening even the most stubborn of nuts and bolts.
One of the standout features of this impact wrench is its large, visible mode selector, which is always facing you thanks to its unique dial design. This makes it easy to switch between the four available modes: hand tight, wrench tight, half power, and full power. The hand-tight mode is perfect for snugging up lug nuts, while the wrench tight mode can crank things down to around 100 feet-pounds, which is more than sufficient for most applications.
The Ingersoll Rand 1/2-inch High-Torque 20V Impact Wrench is built with durability in mind, featuring an all-metal drivetrain and a steel-reinforced handle. The tool also boasts an impressive IP56 rating, making it resistant to dust, particles, and powerful jets of water. This means you can confidently use it in a variety of environments without worrying about damage.
In terms of comfort and ease of use, the Ingersoll Rand impact wrench delivers on that front as well. Its innovative design includes a 360-degree auxiliary handle and a balanced weight distribution, ensuring a comfortable grip and reducing the risk of wrist strain during extended use.
Another advantage of this tool is its efficient battery system. The IQV®20 battery provides enough power to last a full day, and the battery configuration is designed with safety in mind, nestled into the frame of the tool to make it less cumbersome to handle. Additionally, the battery is interchangeable with other tools in the Ingersoll Rand IQV®20 cordless tool lineup, which can help streamline your garage setup and reduce costs.
Overall, the Ingersoll Rand 1/2-inch High-Torque 20V Impact Wrench is an exceptional choice for anyone in the market for a high-performance impact wrench. With its impressive torque, durable construction, and user-friendly design, this tool will make quick work of any fastening or loosening task, from automotive maintenance to heavy equipment repair.
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Most Power: DeWalt 20V Max XR 1/2-Inch Impact Wrench
The DeWalt 20V Max XR 1/2-Inch Impact Wrench is a powerful and versatile tool for fastening various applications. With up to 700 ft-lbs of max torque and 1200 ft-lbs of max breakaway torque, it can handle even the most stubborn nuts and bolts. Its multi-speed control feature offers three different speed settings (0-400/1,200/1,900 RPM) to tailor the speed to the task at hand.
One of the standout features of this impact wrench is its compact design, measuring only 8-13/16 inches in length, making it easy to manoeuvre and ideal for working in tight spaces. Additionally, it is designed with comfort in mind, and its concussive blows transfer most of the high-energy torque directly to the fastener, reducing the reactionary torque felt in your hand, wrist, or arm.
The DeWalt 20V Max XR also features an LED light with a 20-second delay, providing increased visibility when working in dark spaces. It comes with a 3-year limited warranty, a 1-year free service, and a 90-day satisfaction guarantee, ensuring peace of mind for users.
Overall, the DeWalt 20V Max XR 1/2-Inch Impact Wrench is an excellent choice for anyone looking for a powerful, versatile, and comfortable-to-use impact wrench that can handle a wide range of applications. Its compact design and LED light make it a practical choice for working in tight or dark spaces, while its impressive torque and multi-speed control give you the power and precision needed for various projects.
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Best Value: Ryobi 18V One+ 1/2-Inch Impact Wrench
The Ryobi 18V One+ 1/2-Inch Impact Wrench is a powerful and efficient tool that offers great value for money. It is a brushless motor delivering up to 600 ft-lbs of breakaway torque and 450 ft-lbs of fastening torque, with 3200 IPM, providing twice the power of its predecessors.
The 4-mode control board offers low, medium, and high speeds, with an auto mode that prevents over-tightening when fastening and provides controlled removal in reverse. The auto mode is a great feature, allowing you to set a nut or bolt and finish with a torque wrench, and in reverse, it starts slow and ramps up to break the fastener loose. The 3-mode speed settings are also useful for avoiding over-tightening, giving you greater control over the tool.
The impact wrench is designed with efficiency in mind, with an anvil featuring a friction ring that allows for quick and easy socket changes, and Tri-Beam LED work lights that illuminate your workspace. The die-cast gear case also provides durability in harsh work environments, making this tool a great option for any automotive shop.
The Ryobi 18V One+ 1/2-Inch Impact Wrench is a compact and lightweight tool, measuring 7.2 inches in length and weighing 3.7 pounds without the battery. It is a significant improvement on previous models, with a reduced size and weight, and a big upgrade in performance. The improvements in design and performance make it a great choice for a wide range of construction and automotive jobs.
You can purchase the Ryobi 18V One+ 1/2-Inch Impact Wrench as a bare tool from The Home Depot for $159, which is a great price for a tool with such features and performance. Battery and charger are sold separately.
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Frequently asked questions
An impact wrench is a power tool designed specifically for tightening and loosening various hex-head bolts, nuts, and lag screws. It employs both rotational force and short-burst concussive blows to deliver an unparalleled amount of power.
Electric impact wrenches offer greater mobility than pneumatic wrenches as they are not restricted by an air hose. They have also become more viable alternatives due to improvements in battery technology, which have resulted in lower prices and increased power.
When choosing an electric impact wrench, it is important to consider the torque output, impacts per minute (IPM), revolutions per minute (RPM), and speed settings. Higher-end wrenches typically produce greater torque, and IPM increases as RPM increases. Additionally, look for wrenches with multiple speed settings to prevent over-tightening and spinning off lug nuts.
Electric impact wrenches offer significantly more power than cordless drill/drivers and impact drivers, making them ideal for tasks requiring high torque. They are also more comfortable to use as the concussive blows transfer most of the high-energy torque directly to the fastener, reducing the reactionary torque felt in the hand, wrist, or arm.
Yes, it is important to follow all safety instructions provided by the manufacturer. Additionally, always wear appropriate safety gear, including eye protection, when using power tools.