Lead Screws

A reliable source for Ball Screw information and leading Ball Screw Companies & Manufacturers.

Lead screws are used in many varieties of equipment to generate controlled, precise lateral movement. They can be used to move large plates in crushing applications, and they can be used for delicate equipment movement. Lead screws are often used to move tables or other parts of a machine. Read Moreā€¦

Lead Screws Lead screws are tools used to convert rotational motion into linear motion. Lead screws consist of a threaded shaft and nut. As the nut moves up and down the shaft, force is exerted linearly on one side of the nut, depending on the direction of the nut's movement.

Leading Manufacturers

Bethel, CT  |  800-245-5013

Del-Tron Precision, Inc. produces and supplies various automated equipment, such as ball screw actuators. Our engineers have designed our ball screws to offer accuracy that is unparalelled by competitors.

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Del-Tron Precision, Inc. $$$

Bethel, CT  |  800-447-2042

When it comes to ball screws, no one does them better! We offer same day shipping to ensure that your product will be sent to you as soon as possible in order to keep your business moving smoothly.

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Tusk Direct, Inc. $$$

New Berlin, WI  |  800-298-2066

For over 70 years, Dynatect has provided motion control solutions for a wide range of markets. Our ball screws are custom-engineered for both OEM and replacement applications. Not only can Dynatect manufacture new ball screw assemblies, we can also reverse engineer, optimize and repair ball screws from almost any manufacturer. All work is conducted in a modern ISO 9001:2015 certified facility, with experienced technicians, onsite engineering, and inspection/test equipment. Contact us today and we will find a solution that works perfectly for you.

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Dynatect Manufacturing, Inc. $$$

Hicksville, NY  |  516-595-7495

We are a leading manufacturer of quality ball screws and ball nuts. Our ball screws are precision rolled and available in diameters from 16mm to 32mm. Our ball screws and ball nuts are used in a variety of our own linear stages as well as in medical, industrial, assembly, inspection, pick-and-place, scientific, electronic, drilling and milling applications.

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Isel USA, Inc. $$$

Middlebury, CT  |  800-243-6125

PIC Design is an ISO 9001:2008 registered company. Our selection of B Style Precision Ball Screws in alloy or stainless steel should help satisfy any high load, high efficiency application. Our ball screws are available in 3/8, 1/2, or 0.631 inch diameters, and can be cut to your length specifications. Annealed ends can also be provided, and we can supply them with or without machined ends.

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PIC® Design $$$

Otterville, ON  |  519-671-3911

At Precision Spindle & Accessories, we build, replace, service, repair, rebuild, regrind, refurbish, recondition, remanufacture and retrofit machine tool components. Our ball screw facility builds, manufactures and services recirculating ball screw assemblies, special thread forms, gears and spline shafts. We place an emphasis on delivering the best products along with top-notch customer service.

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Precision Spindle & Accessories, Inc. $$$

Kirkwood, MO  |  800-467-6866

Roton Products has been making lead screws and ball screws for almost 40 years. We have a huge inventory of lead screws and ball screws in stock, and most orders ship within 24 hours. We can handle your ball screw needs whether prototype, production or maintenance and repairs. Let our qualified team take care of your every need, they will be sure to meet all of your requirements. Call us today!

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Roton Products, Inc. $$$
placeholder image Del-Tron Precision, Inc. Tusk Direct, Inc. Dynatect Manufacturing, Inc. Isel USA, Inc. PIC® Design Precision Spindle & Accessories, Inc. Roton Products, Inc.

Lead screws can also offer precision and accuracy for graphic imaging equipment, including color scanners, recorders and printers. They also provide solutions in other applications, such as in wire bonders, disk drive testers and linear slide systems. Unlike ballscrews, which make use of rollers to reduce friction and increase efficiency, lead screws involve direct contact between the screw and the nut. Innovations in screw thread design have mitigated the disadvantages that presented themselves because of this inefficiency. Acme screws, for example, are among the most popular lead screw varieties.

Lead Screws Lead Screws - Universal Thread Grinding Company

The special trapezoidal shape of their threads increases their operating lifespan and efficiency. Their design allows them to prevent unwanted backdriving, which is the reverse motion of a nut. Unintended backdriving can be catastrophic, especially in contexts that involve load bearing. Acme screws eliminate this risk because of their thread shape and angle.

The high amount of friction caused by direct contact between the threads and the nut is the main disadvantage of using lead screws compared to other screw varieties in creating linear motion. The higher force requirement to overcome the friction causes a great reduction in working efficiency. However, screw designs like acme screws are comparatively efficient. Lead screws are available in a variety of configurations.

Nut materials, lead and thread forms, lubrication types, speed, length and strength are all customizable. Such customizations depend on the screw's intended application; static, dynamic, tension, thrust, compression and all other kinds of loads each require screws designed specifically for their accommodation.

Due to the variable conditions of cleanliness, friction and lubrication, the exact operating lifespan of a lead screw cannot always be accurately predicted. However, proper maintenance practices like frequent lubrication, cleaning and general inspections can extend a lead screw's lifespan substantially.

Lead Screws Informational Video