impact drivers have more of a rotary impulse. When driving a light duty fastener, the impact driver will behave like a cordless screwdriver. But when higher opposing torque is encountered, such as when driving a larger or longer fastener, an impact mechanism is activated, and the tool...
Impact drivers are better suited for getting through hard materials, moving difficult or stuck fasteners and screwing things in quickly. You don’t have to apply as much pressure when using an impact driver because the tool does that for you, allowing you to focus more on alignment. And becau...