Power-driven tapping machine. Different spindle design from pneumatic tapping machine. Maho design the simplifies operation. Advance and retreat mode is changed to a single button operation, green key advances, red key retreats. It became easily operate and improves the tapping efficiency. The volume of electric tapping machine in use is much lower than pneumatic type, and the rotational speed can also have more changes. The operation is simple, if inexperienced, just follow the steps in the operation manual to use.