Screw Jack J4

For the screw jack J4, there are three types of configurations that can be adapted to different requirements:

N: The screw moves when the gearbox input shaft (worm shaft end) is activated. It includes a rounded screw protection tube on the back.

W: The screw engages, as in configuration N but with the difference that the back protective tube is a square section, which means it can be an anti-rotating screw.

R: The screw does not move with the driving of the worm shaft, it only turns; it is the corresponding nut that moves along the screw.

The screw sizes indicated correspond to the basic configurations.

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