S-98940A609 3/8"-8 x 3 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Hardened Black-Oxide 4140 Alloy Steel construction provides superior strength and wear resistance, extending service life in demanding environments.
• High-Precision Motion Control: ±0.009" per foot accuracy ensures reliable and repeatable positioning, critical for automated systems and machinery.
• Fast-Travel Efficiency: 2:1 speed ratio and 0.25" travel per turn enable quicker linear movement, boosting operational speed and productivity.
• Exceptional Load-Bearing Capacity: 125,000 psi tensile strength and Brinell 271 hardness support heavy loads and high-stress applications without failure.
• Superior Thread Engagement: Class 2C thread fit offers consistent, reliable performance with ACME threads, minimizing backlash and ensuring smooth operation.
• Optimized for Continuous Use: Fully threaded, right-hand design with 2 thread starts provides balanced force distribution and efficient power transmission.
• Compliant & Safe for Industrial Use: Meets RoHS 3 (2015/863/EU) standards, ensuring environmental safety and regulatory compliance.

Professional Applications & Engineering Value

This 3/8"-8 ACME lead screw is engineered to solve critical challenges in precision motion control systems, such as CNC machinery, automated actuators, and linear positioning equipment. The hardened Black-Oxide 4140 alloy steel construction combats wear and corrosion, reducing maintenance downtime in harsh industrial settings. With a 2:1 speed ratio and ±0.009" per foot accuracy, it delivers fast, reliable travel ideal for applications requiring high-speed and repeatable linear movement. The Class 2C thread fit and fully threaded design ensure minimal play and consistent performance, making it a robust solution for fast-travel mechanisms where precision and durability are paramount.

Specification Summary & Compliance

This lead screw features a 3/8"-8 ACME thread with Class 2C thread fit for standard tolerance, a travel distance of 0.25" per turn, and a length of 3 ft. It is manufactured from hardened 4140 alloy steel with a tensile strength of 125,000 psi and Brinell hardness of 271. The product is RoHS 3 (2015/863/EU) Compliant, adhering to environmental and safety regulations for industrial components.