S-99030A472 5/8"-8 x 3 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Motion Control: Achieve precise linear movement with ±0.009" per foot travel accuracy, ensuring reliable positioning in automated systems.
• Fast-Travel Efficiency: Benefit from a 2:1 speed ratio and 0.25" travel per turn, enabling quicker cycle times and improved productivity.
• Robust Durability: Constructed from 1018 carbon steel with a Brinell 126 hardness, offering excellent wear resistance and long service life under heavy loads.
• High Load Capacity: With a tensile strength of 64,000 psi, this lead screw handles significant forces without deformation, ideal for demanding industrial applications.
• Optimized Thread Design: Features Class 2C thread fit and left-hand Acme threading for smooth engagement, reduced backlash, and compatibility with specialized motion setups.
• Versatile Configuration: Fully threaded and dual-start design allows for flexible integration and consistent performance in various assembly environments.
• Consistent Performance: Maintains dimensional stability and thread integrity across the full 3-foot length, supporting repeatable operations.

Professional Applications & Engineering Value

This 5/8-8 left-hand Acme lead screw is engineered to address critical challenges in precision motion control, such as minimizing positional errors and enhancing operational speed. The use of 1018 carbon steel provides a balance of strength and machinability, resisting deformation under high-stress conditions commonly found in industrial automation, CNC machinery, and material handling systems. The left-hand Acme threading and Class 2C fit ensure secure, low-friction engagement with nuts, reducing wear and maintenance needs. With a 2:1 speed ratio and dual thread starts, it enables fast linear travel while maintaining the ±0.009" per foot accuracy, making it ideal for applications requiring rapid, repeatable movements without compromising precision. This design solves pain points like slow cycle times and inconsistent positioning, delivering reliable performance in environments where efficiency and durability are paramount.

Specification Summary & Compliance

This lead screw adheres to Acme thread standards with a Class 2C thread fit for consistent tolerances and compatibility. Key specifications include a 5/8"-8 thread size, 3-foot length, and 0.25" travel distance per turn, ensuring precise dimensional control. The component meets general industrial manufacturing guidelines for material properties, including a tensile strength of 64,000 psi and Brinell 126 hardness, supporting reliable operation in various motion control systems. While specific certifications like RoHS or ASME are not indicated, it is designed for broad applicability in compliant industrial settings, focusing on accuracy and performance.