Technical

Impact drivers provide much higher torque but in rapid bursts, similar to a hammer providing linear bursts of force. This makes impact drivers good for heavy-duty jobs like driving long lag bolts - you can even take the lug nuts off your car wheels with most impact drivers. However the banging action does make them a little bit difficult to control. Impact drivers are not suited for driving soft materials. This is because between the hammer strikes there is no torque applied, and the bit c …