PST Group specializes in difficult, close-tolerance thread rolling, actuators, acme, ball & lead screws. With oversize capacities, we take pride in our innovative precision engineering for aerospace, aviation, medical & agricultural industries. We use steel, plain carbon and alloy, stainless steel, brass, aluminum and high nickel. ISO 9001:2008 and AS9100 B Certified.
Ball screws are mechanical linear actuators that consist of a screw shaft and a nut that contain a ball that rolls between their matching helical grooves. The primary function of ball screws is to convert rotational motion to linear motion. Ball nuts are used in...
A lead screw is a kind of mechanical linear actuator that converts rotational motion into linear motion. Its operation relies on the sliding of the screw shaft and the nut threads with no ball bearings between them. The screw shaft and the nut are directly moving against each other on...
A linear actuator is a means for converting rotational motion into push or pull linear motion, which can be used for lifting, dropping, sliding, or tilting of machines or materials. They provide safe and clean...
