As a mechanical part, the electric screwdriver can not work normally without the power supply of the electric screwdriver, which provides energy and related control functions for the electric screwdriver. Drive the motor to rotate. Because the parameters of the electric screwdriver motor are different, the speed will be different when the power supply of the electric screwdriver outputs the same power.

Electric screwdriver, also known as electric screwdriver and electric driver, is an electric tool used to tighten and unscrew screws. The electric tool is equipped with a mechanism for adjusting and limiting torque, which is mainly used in the assembly line and is one of the necessary tools for most manufacturers.