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.

According to needs, we should distinguish between professional and professional electric screwdrivers. Most electric screwdrivers are designed for professionals. When purchasing, we should distinguish between professional and general household electric screwdrivers. Generally, the difference between professional and general household electric screwdriver is in power. The professional electric screwdriver has a large power, which is convenient for professionals to reduce the workload. The general household electric screwdriver has a small project and a relatively small workload, so the input power of the electric screwdriver does not need to be large.