S-98940A125 3/8"-12 x 6 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black-Oxide 4140 alloy steel with hardening treatment provides superior wear resistance and longevity in demanding industrial environments.
• High-Speed Precision Movement: 2:1 speed ratio and 0.167" travel per turn enable rapid and efficient linear motion for time-sensitive operations.
• Exceptional Mechanical Strength: With a 125,000 psi tensile strength and Brinell 271 hardness, this screw reliably handles high-load applications without deformation.
• Superior Thread Accuracy & Fit: Class 2C thread fit ensures consistent, reliable engagement with mating nuts, reducing backlash and improving system stability.
• Strict Travel Accuracy: Maintains positioning precision with ±0.009" per foot accuracy for repeatable performance in automated systems.
• Optimized for Fast-Travel Applications: Double-start ACME threads and full threading provide smooth, high-speed actuation with minimal friction.
• Environmental & Regulatory Compliance: RoHS 3 (2015/863/EU) compliant construction meets international standards for restricted hazardous substances.

Professional Applications & Engineering Value

This 3/8"-12 ACME lead screw is engineered to solve critical challenges in high-speed automation and precision motion control. The hardened Black-Oxide 4140 alloy steel construction resists wear and corrosion, extending service life in CNC machinery, 3D printers, and material handling systems. Its 2:1 speed ratio and 0.167" travel per turn deliver fast, efficient linear motion, reducing cycle times while the Class 2C thread fit minimizes play for enhanced positional accuracy. The fully threaded design with right-hand direction ensures consistent force transmission, making it ideal for applications requiring reliable, repeatable movement under heavy loads. This fast-travel precision ACME screw provides a robust solution for engineers seeking to optimize performance in industrial automation, packaging equipment, and precision positioning systems.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a Class 2C thread fit and ACME thread type for standardized compatibility. It maintains a travel accuracy of ±0.009" per foot and is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it meets global environmental standards for hazardous substance restrictions. Manufactured from hardened 4140 alloy steel with a Black-Oxide surface treatment, it is designed for high-strength, precision applications in industrial settings.