S-98980A972 3/8"-8 x 18" Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Motion Efficiency with 4:1 speed ratio and 4 thread starts for rapid linear movement in industrial automation systems.
• Superior Corrosion Resistance due to 304 stainless steel construction, ensuring longevity in harsh or washdown environments.
• High-Precision Positioning guaranteed by ±0.009" per foot travel accuracy for reliable, repeatable motion control applications.
• Optimized Load Engagement with Class 2C thread fit, providing smoother operation and reduced backlash in power transmission.
• Continuous Drive Capability from the fully threaded, right-hand design, allowing for versatile mounting and full-length travel.
• Fast-Travel Performance delivering 0.5" of travel per revolution, ideal for applications requiring quick and precise linear adjustment.
• Environmental Compliance Assurance with RoHS 3 (2015/863/EU) conformity, meeting stringent regulatory standards for industrial components.

Professional Applications & Engineering Value

This 3/8-8 ACME lead screw is engineered to address critical challenges in precision motion control systems. The 304 stainless steel material provides excellent corrosion resistance, making it suitable for food processing, medical equipment, and outdoor machinery where moisture or chemicals are present. The 4:1 speed ratio and 4 thread starts significantly increase travel speed without sacrificing accuracy, solving the common industrial dilemma of balancing speed with precision. With its fully threaded right-hand ACME thread and Class 2C thread fit, it ensures minimal backlash and smooth operation in CNC machines, linear actuators, and automated positioning systems. This design is ideal for applications demanding fast-travel with consistent ±0.009" per ft. accuracy, reducing downtime and improving overall system reliability.

Specification Summary & Compliance

This precision ACME lead screw adheres to Class 2C thread fit standards, ensuring dimensional accuracy and proper engagement with matching nuts. The manufacturing process maintains tight tolerances for the 3/8-8 thread size and 0.5" travel distance per turn. The component is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming it is free from hazardous substances and suitable for global industrial use. Its 18-inch length and fully threaded, right-hand design provide consistent performance across the entire screw for reliable integration into motion control assemblies.