Hand-held automatic lock screw machine, screw transmission, lock pay one after another, no longer take the screw. Greatly increase productivity, save labor, and how fast you want to play. Every time a screw is hit, the machine automatically delivers it to the mouth.
In addition to handheld automatic lock screw machines, there are still automatic screw machines on the market, which are controlled by computers. When the drawings are input into the computer, the position of the screws can be controlled by the computer without manual operation.