S-98940A124 1 1/4"-5 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 motion control in demanding applications.
• Superior durability and wear resistance from hardened 4140 alloy steel construction, extending service life in high-cycle industrial environments.
• High tensile strength of 125,000 psi provides robust load-bearing capacity and resistance to stretching or deformation under heavy loads.
• Optimized power transmission with a 0.2" travel distance per turn and single-start ACME thread design for smooth, efficient linear motion.
• Corrosion-resistant black-oxide finish protects the screw in various operating conditions, reducing maintenance needs.
• Precision Class 2C thread fit ensures consistent performance and compatibility with standard ACME nuts, minimizing backlash.
• Compliance with RoHS 3 regulations ensures environmental responsibility and suitability for global industrial markets.

Professional Applications & Engineering Value

This high-precision ACME lead screw is engineered to solve critical challenges in industrial automation and precision motion control systems. The hardened 4140 alloy steel material and Brinell 271 hardness provide exceptional resistance to wear and deformation, which is vital for applications like CNC machinery, linear actuators, and heavy-duty positioning equipment where consistent performance over long cycles is required. The fully threaded, right-hand design with a 1 1/4"-5 ACME thread and Class 2C fit delivers smooth, low-friction operation, reducing the risk of system failure and maintenance downtime. Its ±0.009" per foot accuracy ensures precise linear movement, making it ideal for tasks demanding tight tolerances, such as in automated assembly lines and precision testing instruments.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a Class 2C thread fit for standardized compatibility. It features a 1 1/4"-5 ACME thread type, right-hand direction, and is fully threaded over its 6 ft length. Manufacturing ensures high accuracy for travel distance per turn of ±0.009" per ft. The product is RoHS 3 (2015/863/EU) Compliant, meeting environmental and safety standards for industrial use.