S-98940A634 5/8"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional positioning accuracy with ±0.009" per foot tolerance for reliable, repeatable motion control in automated systems.
• Superior durability and wear resistance from hardened 4140 alloy steel and a protective black-oxide finish, extending service life in demanding industrial environments.
• High mechanical strength with a 125,000 psi tensile strength and Brinell 271 hardness to withstand significant loads without deformation.
• Precise linear motion delivered by the Acme thread form, providing a consistent 0.2" travel distance per revolution for predictable performance.
• Broad compatibility and easy integration with Class 2C thread fit and right-hand, single-start design, ensuring straightforward assembly with standard Acme nuts.
• Ready for immediate use as a fully threaded, 3-foot-long component, reducing installation time and simplifying system design.
• Compliance with environmental regulations by being RoHS 3 compliant, making it suitable for use in regulated markets and applications.

Professional Applications & Engineering Value

This 5/8"-5 ACME lead screw is engineered to solve critical challenges in precision linear motion systems. The hardened 4140 alloy steel construction provides the necessary robustness to handle high loads in applications like CNC machinery, 3D printers, and automated positioning tables, where failure due to material fatigue is a common concern. The black-oxide surface treatment offers enhanced corrosion resistance, reducing maintenance needs in environments exposed to moisture or contaminants. Its ±0.009" per foot accuracy ensures that systems maintain precise alignment over long travels, minimizing positional errors that can affect product quality. The Acme thread design is ideal for applications requiring efficient power transmission with minimal backlash, making it a reliable choice for engineers focused on repeatability and long-term performance in industrial automation and motion control setups.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit tolerances for Acme threads, ensuring proper engagement with matching nuts. Manufactured to precise dimensional standards in the inch system, it features a single-start, right-hand thread with a 1:1 speed ratio. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant, meeting stringent environmental directives for hazardous substance restrictions.