S-98940A629 1/2"-10 x 3 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced durability and corrosion resistance with Black-Oxide coated 4140 Alloy Steel, extending service life in harsh industrial environments.
• High-precision motion control with ±0.009" per ft. accuracy, ensuring reliable and repeatable positioning in automated systems.
• Fast-travel efficiency delivering 0.2" per turn with a 2:1 speed ratio, reducing cycle times and increasing productivity.
• Superior load-bearing capacity from 125,000 psi tensile strength and Brinell 271 hardness, supporting heavy-duty applications without deformation.
• Smooth, reliable engagement with Class 2C thread fit and fully threaded Acme design, minimizing backlash and ensuring consistent performance.
• Right-hand threading for standard integration, facilitating easy assembly and compatibility with common industrial components.
• Environmental and regulatory compliance with RoHS 3, meeting global standards for safe use in various sectors.

Professional Applications & Engineering Value

This high-precision ACME lead screw is engineered to address critical challenges in motion control systems, such as maintaining accuracy under load and reducing wear in high-cycle operations. The Black-Oxide 4140 Alloy Steel construction, combined with hardening, provides excellent resistance to abrasion and corrosion, ideal for CNC machinery, automated actuators, and packaging equipment. Its fully threaded Acme design and Class 2C thread fit ensure minimal play and reliable force transmission, while the 2:1 speed ratio and 0.2" travel per turn enable rapid linear movement, boosting efficiency in industrial automation and reducing downtime for maintenance.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards for Acme threading, ensuring dimensional accuracy and compatibility. It features a 1/2"-10 thread size, right-hand direction, and is fully threaded over a 3 ft. length. Manufactured from hardened 4140 Alloy Steel, it meets specified mechanical properties, including 125,000 psi tensile strength and Brinell 271 hardness. The product is RoHS 3 (2015/863/EU) Compliant, confirming adherence to environmental regulations for industrial components.