Impact drivers do not have torque control but they are extremely powerful. If used correctly, torque control helps prevent stripped screw heads or damaged work surfaces due to the tool delivering too much power. Unlike cordless drill drivers and screwdrivers, impact drivers don’t have torque control, a feature that allows you to control how much torque is delivered at one time using a numbered torque ring. Sometimes when working at high speeds, kick-back can happen unexpectedly and cause injury to the user.ĭue to the cordless impact driver’s higher torque, most models are able to overcome the resistance that would otherwise cause kick back. This is known as ‘kick-back’ and can cause strain to the user’s arm and wrist as they try to hold the tool steady. As a result, the rotational power being transferred to the bit from the motor is transferred back to the body of the drill instead, turning it in the user’s hands. If resistance is too high, the motor will not be able to turn the screw or drill bit. When using a cordless drill driver to drill large holes or drive large screws in tough materials, the motor will encounter resistance, making it harder to turn the chuck. This means that most cordless impact drivers can drive larger screws into tougher materials much faster.
Impact driver drill series#
This is due to the hammer and anvil mechanism inside the tool which delivers a series of quick and powerful blows to the side of the screwdriver bit as it inserts screws. Most cordless impact drivers can deliver a whopping 150 Nm! The average cordless screwdriver can produce around 10 Nm of torque, with the average drill driver producing around 50. As a result, they can squeeze into some of the awkward and confined spaces that drill drivers cannot.
Impact driver drill how to#
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