The biggest advantage for desktop type automatic locking screw machine is flexible and high efficiency. According to the set coordinates, machine automatically lock products.The Z axis can be installed at most four lock electric screwdriver at the same time , greatly improve production efficiency.For replacement products, just change coordinates point can be lock.The operation is very simple.Distribution system screw through tracheal pressure send screw to the screwdriver bits .The manipulator automatically lock according to the set coordinates .