Lightweight Worm Gear Screw Jack

Lightweight Worm Gear Screw Jack Non Rusting With High Speed , Machine Screw Jack SWL series worm screw lift jack suitable for low speed and low frequency, constitute the main components are: precision and accuracy of the trapezoid-type screw worm gear pair. suitable for high speed, high frequency and high performance unit, constitute the main components for precision ball screw pair with high accuracy worm gear pair. Features 1) High quality cast iron Motivation like gear