Power screwdrivers are used for mounting and dismounting threaded fasteners including large ones. They perform their functions due to the rotation of the spindle and, unlike screw guns with a similar design, are fitted not with a chuck but with an adaptor for interchangeable bits.

Power screwdrivers: 7 important facts

1. These devices can be either battery- or mains-powered. Battery-powered devices are irreplaceable if there is no access to power supplies. Mains-powered ones are ideal for high workloads and can be used outdoors if connected using suitable extension cords.
2. In a humid and gas-polluted environment, it is recommended to use tools powered by compressed air. Besides, they are relatively light, therefore, working with them is less tiresome.
3. Angle models are better for mounting elements located in hard-to-reach places. Besides, in the catalogues, you can find straight devices that feature a higher torque.
4. You should occasionally examine the tool. Worn-out bits should be replaced as soon as possible.
5. It is better to grip the part you’re going to work with in a vice. The device should be activated only after the bit is attached to the fastener.
6. When installing a screw into the device, it is important to be careful to avoid pressing onto the fastener, since, as a result, it can start rotating, which often causes injuries.
7. In order to avoid premature failure of the power screwdriver, do not apply too much pressure on it, do not wash it in running water, and do not use petrol, spirit or other aggressive chemicals for cleaning. A wet wipe, soft cloth or brush are often sufficient for removing contaminants from the tool body. To eliminate deposits of dust, you can blow the device through with compressed air.

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