Choose a jack whose lifting screw is stout enough to handle the load at full rise. Consider the travel speed of the DYNAMIC load. The speed at which the load will be moved is a limiting factor. How fast do you need to move the load? Sometimes double lead machine screw jacks or ball screw jacks are a better choice in a given application. Choose from our selection of machine screw jacks , including Acme screw jacks , mounting plates, and more. In stock and ready to ship. Worm Gear Machine Screw Jacks Machine Screw Jacks - 1/4 Ton to 100 Ton 5 kN to 200 kN. The Inch and Metric Worm Gear Machine Screw Jacks incorporate an alloy or stainless steel worm which drives a high strength bronze worm gear (drive sleeve).

Find great deals on eBay for machine screw jacks . Shop with confidence. Skip to main content. eBay Logo: . NEW Joyce/Dayton Corp Machine Screw Jack Actuator MPN# RWJT62U062 IN BOX See more like this. Joyce Dayton Machine Screw Jack RWJT62-3-INV-T3. New (Other) $400.00. or Best Offer +$39.72 shipping. Shop Machine Screw Jacks at here and browse our extensive selection of industrial parts and supplies for all your MRO needs. Carr Lane offers an assortment of screw jacks in its online catalog including Knurled Screw Jacks , Torque Screw Jacks , Adjustable Locating Buttons and Heavy-Duty Screw Jacks . Heavy-duty machine screw jacks support any of three different tips, and are available in your choice of three support heights.

Machine screw actuators offer positive mechanical action, precise positioning, and uniform lifting speeds. Standard configurations include upright or inverted units with translating or rotating lifting screws , and top plate, threaded, or clevis ends. Screw Jacks are found wherever there is a need to lift, position and hold load. A Screw Jack (also known as a Jack Screw , a Worm Screw Jack , a Machine Screw Jack or a Lead Screw Jack ) is a devise used to convert rotational motion into linear motion.