S-99030A424 3/8"-12 x 3 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced motion control precision with ±0.009" per foot travel accuracy for reliable positioning in automated systems.
• Fast-travel capability due to the 2:1 speed ratio and dual-start thread design, reducing cycle times in high-speed applications.
• Exceptional durability and load capacity from 1018 Carbon Steel construction, offering 64,000 psi tensile strength and Brinell 126 hardness for long service life.
• Reliable left-hand thread operation for specialized machinery setups requiring reverse motion or unique assembly configurations.
• Consistent performance ensured by Class 2C thread fit, providing smooth engagement with matching nuts and minimal backlash.
• Full-length threading allows for continuous adjustment and versatile mounting along the entire 3-foot length.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 3/8"-12 Left Hand Acme Lead Screw is engineered to address critical needs in precision motion control systems, such as CNC machinery, linear actuators, and automated positioning equipment. The 1018 Carbon Steel material provides excellent strength-to-weight ratio, resisting wear under repetitive loads, while the fully threaded Acme design with left-hand direction offers unique solutions for reverse-thread applications. The 2:1 speed ratio and dual-start threads enable rapid traversal, reducing operational delays in industrial settings. With tight Class 2C thread fit and consistent ±0.009" per ft. accuracy, it minimizes vibration and ensures stable, repeatable movements—ideal for high-demand environments where precision and reliability are paramount.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards for Acme threading, ensuring dimensional consistency and compatibility with corresponding nuts. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming the absence of restricted hazardous substances. Manufacturing follows precise specifications for travel distance per turn (0.167") and tensile strength (64,000 psi), supporting use in regulated industrial applications.