While Aircat and Ingersoll Rand dominate the market, some interesting alternatives exist in several categories. The ½-inch Nitrocat air impact wrench is an outstanding tool from the Aircat range.

Compatible with any 18V or 36V MultiVolt battery, the company also offers an AC adapter for plug-in use — which is unique among most of the impact wrenches in our ranking. The Ingersoll-Rand ½ ...

A half-inch anvil with a friction ring allows quick changes with an impact wrench socket set. Key specs: The Ingersoll Rand 2235QTiMAX is a pneumatic air impact wrench with a twin-hammer mechanism.