Find screw jacks including ball screw jacks, house screw jacks and more. Use the time-saving Request for Quote tool to submit your inquiry to all the screw jack manufacturers and suppliers you select.
In business for over 50 years, Universal Thread Grinding has been a manufacturer of high-quality lead screws, lead screw assemblies, precision mounting brackets, lead screw cartridges and nut assemblies. We meet your most demanding linear-displacement application needs.
Established in 2004, GTEN’s goal is to produce the highest quality ball screws in the world. With Vertex Controls, the US Master Distributor for GTEN Ball Screw Technology, our team is ready to meet the needs of North American manufacturers with higher quality precision linear components at lower costs.
A leading industrial automation products manufacturer, Comptrol has the latest technology in ballscrew assemblies, ballnuts, bearing supports, acme screws, slides & thrusters. Our experienced staff will help you mix, match & apply our linear motion components to fit your production assembly.
Noll Inc. has been manufacturing precision lead screw parts since 1956, emphasizing precision, quality, & design. Specializing in biological, medical, optics & laser industries, our high accuracy lead & acme lead screws, lead nuts & mounts are precision tailored & finished to your industry’s needs.
Premier precision threading manufacturer, Precision Screw Thread, 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.
Screw jacks, also commonly referred to as jack screws, use a long threaded rod to position a matching nut at any position along its length. In a screw jack, forces acting on the nut along the length of the rod do not appreciably affect the rotation of the rod. In general, screw jacks are not considered self-locking. They are designed for both tensile and compressive loads and can work in any orientation or mounting position.
There are many variations of screw jacks. They are available in a wide range of speeds, load capabilities, end fittings, and mounting arrangements. They can also be synchronized with other jack screws. Screw jacks commonly use an acme along the threaded rod, which gives the screw strength and resistance to the large loads imposed on most screw jacks. At the same time, the screw is not severely weakened by wear over many rotations. Grease is the most common lubricant used for screw jacks.
Screw jacks are widely used in many common applications. With the ability to push, pull, lift, lower and position loads of many sizes, they serve many useful purposes. They can operate in very harsh conditions, including nuclear applications. Other typical uses include car-locks, railway applications, securing connectors in computer and other electronic equipment, linear actuators, and many more.
