10 Best Impact Wrenches

The Milwaukee M12FCIWF12G3-502X is a compact and powerful 12V impact wrench designed to deliver up to 746 Nm of torque, which is strong enough for many demanding jobs like loosening tight bolts or nuts. Its 1/2-inch drive size is standard and versatile, fitting most common sockets. What makes this tool stand out is its lightweight and compact design, weighing just about 1 kg without the battery and measuring only 122 mm long. This makes it ideal for working in tight spots or overhead where bigger tools are cumbersome. The wrench features a friction ring for quick socket changes, saving time during work. It also has a 4-mode drive control, allowing you to adjust speed and power to match different tasks, which helps prevent damage to fasteners and ensures efficient work. The integrated LED light is a handy addition for working in dark or confined areas.

Powered by Milwaukee’s M12 batteries, this tool offers the convenience of cordless use, though batteries are sold separately. The REDLINK intelligence technology protects the tool from overheating and overloading, improving reliability. On the downside, some users might find that the 12V power level limits heavy industrial use compared to higher-voltage models, and the kit's weight can increase significantly once batteries are added. Also, delivery restrictions outside mainland UK may be a consideration.

This impact wrench suits DIY enthusiasts, mechanics, and professionals who need a reliable, easy-to-handle tool for moderately tough jobs, especially where space and weight are important factors.

The Makita DTW300Z Li-ion LXT Brushless Cordless Impact Wrench is a powerful and versatile tool ideal for professionals and DIY enthusiasts alike. With a substantial torque of 580 Newton Meters and a 1/2" square driving shank, it is well-suited for a range of fastening and loosening tasks, from standard bolts (M10 to M20) to high tensile bolts (M10 to M16). The brushless motor enhances efficiency and longevity, while the variable speed control (up to 3200 RPM) offers precision in various applications.

Additionally, the electronic 4-stage impact power selection and auto-stop system add to its adaptability and user safety. However, this model does not come with batteries or a charger, which must be purchased separately, and it is not compatible with G-Series batteries, potentially limiting its appeal for some users. With a weight of just 1.2 kilograms, it is lightweight and ergonomic, reducing user fatigue during extended use. The build quality, comprising alloy steel and aluminum, ensures durability.

Despite generating a sound level of 108 dB, which might be a bit noisy, its high performance and reliability, as evidenced by a customer rating of 4.6 out of 5 stars, make it a top choice in the impact wrench category.

The DEWALT 18V XR Brushless 1/2" Compact Impact Wrench is a solid choice for those needing a powerful yet lightweight tool for tightening and loosening bolts. It delivers up to 406 Nm of torque, which is strong enough for most automotive and DIY tasks. The 1/2 inch drive size is standard for many sockets, and the hog ring feature allows quick socket changes without fuss.

Weighing just under 1 kg and measuring 24 cm long, it is fairly easy to handle in tight spaces and won't tire your arm quickly. Its brushless motor not only provides good power but also tends to last longer and run cooler than brushed motors. The variable speed trigger and 4-mode switch help you control the tool precisely, making it suitable for delicate jobs as well as tougher ones.

This impact wrench is well suited for DIY enthusiasts and professionals who need a reliable, cordless tool that balances power, weight, and control. Keep in mind this is a bare unit, so you need to have or buy an 18V DEWALT battery separately, which adds to the overall cost.