S-98940A108 5/8"-5 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional precision with ±0.009" per foot travel accuracy, ensuring reliable and repeatable motion control in demanding applications.
• Superior durability and wear resistance from hardened 4140 Alloy Steel with a Brinell hardness of 271, extending service life under high-load conditions.
• High tensile strength of 125,000 psi provides robust performance and resistance to stretching or breaking in powerful mechanical systems.
• Corrosion-resistant Black-Oxide finish on the 4140 Alloy Steel enhances longevity and protects against harsh industrial environments.
• Precision ACME thread profile with Class 2C fit offers smooth, efficient power transmission and reduced backlash for accurate positioning.
• Fully threaded, right-hand design ensures consistent engagement and ease of integration into various linear motion assemblies.
• Compliance with RoHS 3 standards guarantees the product meets stringent environmental and safety regulations for global use.

Professional Applications & Engineering Value

This 5/8"-5 ACME lead screw is engineered for high-performance motion control systems where precision and reliability are non-negotiable. Manufactured from hardened 4140 Alloy Steel and featuring a Black-Oxide surface treatment, it effectively combats wear and corrosion in industrial settings like CNC machinery, automated positioning tables, and heavy-duty actuators. The ACME thread type and Class 2C thread fit minimize friction and backlash, delivering smooth, efficient power translation. With its ±0.009" per foot accuracy and fully threaded, right-hand design, this screw solves critical engineering challenges—such as maintaining positional integrity under load and ensuring long-term operational stability—making it an ideal component for applications requiring dependable linear motion and precise mechanical actuation.

Specification Summary & Compliance

This precision ACME lead screw adheres to inch system measurements with a Class 2C thread fit for standardized compatibility. It is manufactured to deliver a travel distance of 0.2" per turn with a tight accuracy of ±0.009" per foot. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets essential environmental and safety directives for restricted substances.