S-99030A541 1 1/4"-4 x 6 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 linear motion in demanding applications.
• Superior strength and durability from 1018 Carbon Steel construction, offering a high 64,000 psi tensile strength and Brinell 126 hardness for long service life.
• Optimized power transmission with a 0.25" travel distance per turn and a 1:1 speed ratio, providing efficient and predictable movement.
• Reliable left-hand thread engagement with a Class 2C fit, ensuring smooth operation and reduced backlash in specialized motion control systems.
• Robust, fully threaded design along the entire 6-foot length, offering maximum utility and flexibility in assembly and power transmission setups.
• Guaranteed material compliance with RoHS 3 and REACH regulations, making it suitable for use in regulated industrial environments.

Professional Applications & Engineering Value

This high-precision Acme lead screw is engineered to solve critical challenges in industrial automation and power transmission. The 1018 Carbon Steel construction provides the necessary tensile strength and wear resistance for heavy-duty cycles, while the left-hand Acme thread with a Class 2C fit ensures precise, low-friction movement, minimizing the risk of unintended reversal in applications like clamping, lifting, and positioning systems. Its ±0.009" per foot accuracy is vital for machinery requiring exact linear travel, making it an indispensable component for engineers designing reliable motion control solutions.

Specification Summary & Compliance

This 1 1/4"-4 Acme lead screw features a Class 2C thread fit per applicable standards, ensuring proper clearance for smooth operation. It is manufactured from 1018 Carbon Steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial use.