Automatic screw feeder: The screw feeder clamps the screws arranged in the discharge port. After the user removes screw, the next screw will automatically rise. Production efficiency can be increased by 4 times. Suitable for different types of screws: With simple track adjustment, the screw machine can handle any size screw between 1-5mm (<20mm). Common screws, flat screws, washer screws, self-tapping screws, etc. are all suitable. Adjustable speed: The feed speed can be controlled by adjusting the knob. The earthquake distance is small and the vibration is strong. The stopping time can be set by setting the required number of screws, and it has a fault alarm function. Two counting functions: cumulative counting: when a screw is removed, the machine will automatically count; fixed quantity: the user can set the required number of screws. After taking the set amount, the machine will beep and the machine will automatically enter the next counting cycle. Wide range of uses: Suitable for the assembly of electronic processing equipment such as toys, communication equipment, household appliances, toy auto parts, etc.