Best 3/8 Inch Impact Wrenches in 2027

The 2562-20 leads our ranking for a compact 3/8 drive job. It lists 550 ft-lb of max fastening torque, which ties for the highest on this page. That is the number that matters for lug nuts and stubborn suspension bolts. Torque this high gives you headroom. The name says stubby, so it is built for short reach in cramped spots.

It weighs 2 lb. Among the models that list weight, only the ACDelco is lighter at 1.8 lb. Less weight means less arm fatigue when you work overhead or under a car. That helps on long jobs like a full wheel swap. Impact rate is 3300 IPM, and it offers 4 speed settings, so you can back off the power on small fasteners.

Its 3/8 in drive fits common automotive sockets. The battery is not included, so you need an M12 battery if you do not own one. The data here does not list breakaway torque, brushless motor or work light, so check the listing for those before you buy.

This Milwaukee M18 FUEL ranks second, and its size is the draw. Tight spaces are the main job for a 3/8 drive tool, and this one targets them directly. The listing gives its length as 4.8 in, which helps in wheel wells and engine bays. Tri-LEDs surround the anvil, so you get light right where the socket sits. That cuts shadows when you work under a car.

Torque is the question mark. The spec sheet lists 250 ft-lb of breakaway torque, the lowest of the three models that list it. The listing also says up to 250 ft-lbs of torque. Breakaway torque is what frees a stuck nut. Stuck fasteners may need more than this. Max fastening torque is not listed in the specs.

Control features help on small fasteners. The 4-Mode DRIVE CONTROL sets preset speed and impact levels, and auto shut-off limits output to 20 ft-lbs for hand-tight work. It has a brushless motor and weighs 2.71 lb. That keeps the tool easy to hold through a long job. The battery is not included.

The DCF913B ranks third and is the balanced option here. It lists 250 ft-lb of max fastening torque and 400 ft-lb of breakaway torque. Both numbers are listed, which makes the DEWALT easy to compare with others. Breakaway torque is the force needed to free a stuck nut, so the higher figure helps with lug nuts that were tightened hard or have sat for years.

At 2.69 lb, it is close to the Milwaukee M18 at 2.71 lb. Only two of the six models that list weight are lighter, the Milwaukee 2562-20 at 2 lb and the ACDelco at 1.8 lb. That keeps wrist strain down on long jobs. A brushless motor and an on-board LED ring come with it. The ring lights the work area when you are under a vehicle.

A hog ring anvil holds sockets securely and lets you swap them quickly. The listing also points to a compact size for hard-to-reach spaces, though it gives no length figure. The battery is not included, and the data lists no impact rate.

If stuck fasteners are your main problem, start here. The 2960-20 lists 600 ft-lb of max breakaway torque, the highest on this page. Breakaway torque is what breaks a tight fastener loose, so it counts most on lug nuts. It also ties for the highest fastening torque at 550 ft-lb. Those two numbers make it the strongest tool in this group for rusty or over-tightened nuts.

The tradeoff is size. At 3.4 lb, it is heavier than most of the models that list weight. Only the Seesii at 3.5 lb weighs more. For a 3/8 tool meant for tight spaces, that extra weight shows up in overhead work. Impact rate is 3100 IPM, the lowest of the four that list it.

It has 4 speed settings for lighter fastening. The data does not list a brushless motor or an LED work light. That much power matters less if you mostly work in tight spaces. The battery is not included, and the listing gives few details beyond the brand, so confirm the finer points with the maker.

The WH450 ranks fifth, and its main selling point is that it includes a battery. The listing describes one 4.0Ah pack and a fast charger, with the pack rated at 84 Wh. The other four models in this review do not include a battery, so this one is ready to use on day one. That removes one extra purchase for a first-time buyer.

Fastening torque is 330 ft-lb, which is above the 250 ft-lb listed for the DEWALT. The brushless motor and LED light are both listed. The listing gives a length of 5.11 in. The data has no breakaway torque figure, and that is the number that frees stuck nuts, so check that gap before you buy.

It is the heaviest tool on this page at 3.5 lb. It has two speed settings, tied for the fewest among the models that list them. A heavy body and fewer controls are the trade for the included kit. Weight adds up when you reach into a wheel well or hold the tool overhead.