Best Selling Electric Frequency High Working Stability Screw Machine Drill Electric Screwdriver

The electric screwdriver shall be powered on and operated for one minute. When it is operated, it shall be held by hand. The hand shall not feel any abnormal vibration obviously. Observe the reversing spark. The reversing spark shall not exceed 3/2 level. Generally, when viewed from the air inlet of the electric screwdriver, there shall be no obvious arc light on the surface of the commutator. There shall be no abnormal noise during operation.

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.