As a mechanical part, an electric screwdriver cannot work normally without electric batch power, which provides power and related control functions for an electric screwdriver. Drive the motor. Because the parameters of the electric screwdriver motor are different, the rotation speed will be different when the batch power supply outputs the same power.

1. before plugging in the power, the switch should be positioned in the closed state, pay attention to whether the electricity supply voltage is suitable for the use of this machine when the electric screwdriver is not in use or the power should be removed the plug.

2. Do not set the torque adjustment too large when using.

3.when replacing the screwdriver head, be sure to remove the electric plug from the electric socket, and turn off the screwdriver power.

4.Do not drop or drop the electric screwdriver during use.

Extended information

Screwdrivers don’t have rounded heads because they don’t have any torque at all. The word is to make sure there is torque, and the cross will distribute the force more evenly. According to the power source, there are a manual screwdriver and ekectric screwdriver; There are flat head and Phillips by the head or knife.

The cutting head of a high-quality screwdriver is made of spring steel with high hardness. A good screwdriver should hard but not brittle.When the screw head opening bald skid can be used to hit the screwdriver with a hammer, the groove of the screw picked deeper.

Easy to screw off, the screwdriver to intact; Screwdrivers often to pry things, requiring a certain toughness without bending.  Generally expected that the hardness of the screwdriver head more higher than HRC60. And it is not easy to rust.