Impact Driver vs. Impact Wrench: Understanding the Differences and Choosing the Right ToolBy Blake HowardAugust 28, 2024 Feature Impact Driver Impact Wrench Purpose Driving screws, bolts, and fasteners Loosening/tightening nuts, bolts, and heavy fasteners Torque Output 1000-1800 in-lbs 200-1000 ft-lbs Drive Mechanism 1/4…