10 Best Highest Torque Cordless Impact Wrench 2025 in the United States

The Milwaukee 2967-20 M18 FUEL 1/2" High Torque Impact Wrench is designed for heavy-duty tasks with its impressive torque capabilities. With up to 1,100 ft-lbs of fastening torque and 1,600 ft-lbs of nut-busting torque, it stands out in the highest-torque-cordless-impact-wrench category. The brushless motor ensures efficient performance and longevity, while the AUTO SHUT-OFF control prevents overtightening by limiting torque to 50 ft-lbs for hand-tight applications.

The Bolt Removal Control feature is particularly useful, as it provides full torque output initially and then reduces RPMs to avoid fastener drops once the bolt is loosened. This feature enhances user control and precision during operations. Weighing 2.7 kilograms (approximately 5.94 pounds), the tool is relatively heavy but manageable for professional use. The 18-volt battery ensures consistent power, though it is important to note that the product does not include batteries. Users will need to purchase these separately, which could be a drawback for some.

Ergonomically, the tool is designed to be user-friendly despite its weight, but prolonged use might cause fatigue. Regarding durability, the metal construction suggests a robust build that can withstand tough job site conditions. In summary, this impact wrench is an excellent choice for professionals needing high torque and advanced control features, but potential buyers should consider the weight and the need to purchase batteries separately.

The DEWALT 20V MAX Cordless Impact Wrench Kit stands out in the category of highest-torque cordless impact wrenches due to its impressive torque capabilities. It boasts 1030 ft-lbs of max fastening torque and 1400 ft-lbs of max breakaway torque, making it suitable for heavy-duty applications. The 4-mode speed settings and variable speed trigger allow for precise control, which is useful in various tasks and helps prevent overtightening and fastener run-off.

Its ergonomic design includes a shock-absorbing battery-to-tool connection, known as the battery guard, reducing wear and tear on the battery during use. Additionally, the on-tool LED work light is a practical feature for working in dimly lit areas. However, the tool is relatively heavy at 11 pounds, which might be cumbersome for prolonged use. The included 20V MAX 5.0 Ah battery offers decent longevity, but the weight could impact user comfort.

Durability is assured with the aluminum and alloy steel construction, and DEWALT's reputation for quality tools is backed by a 3-year limited warranty, 1-year free service contract, and 90-day money-back guarantee. This impact wrench is ideal for professionals or serious DIY enthusiasts looking for high torque and reliability in their tools.

The Milwaukee M18 FUEL 18V Lithium-Ion Brushless Cordless Impact Wrench offers exceptional power with up to 2,000 ft. lbs. of nut-busting torque, making it one of the most powerful options in its category. The 18V battery voltage, combined with two 12.0 Ah batteries, ensures long runtime and the ability to handle up to 120 lug nuts on a single charge, which is impressive for extended tasks.

The 4-mode drive control feature allows users to customize speed and power, providing flexibility for different applications, while the ONE-KEY technology offers enhanced control and prevents over-torqueing, adding to its precision and safety. With a weight of 23.2 pounds, it is on the heavier side, which might affect prolonged usage comfort, although the 360° adjustable side handle and premium rubber overmold enhance ergonomics and reduce user fatigue.

The tool's durability is top-notch, with a patented battery isolation system to handle high-frequency vibrations and a robust build that withstands corrosive materials. The inclusion of Tri-LEDs enhances workspace visibility, making it suitable for varied environments. The provided contractor bag and lanyard loop add convenience and safer storage. However, its hefty weight and relatively high cost might be drawbacks for some users. This tool is best suited for professionals in automotive and heavy-duty construction who need reliable, high-torque performance.