S-99030A512 3/4"-6 x 6 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced load-bearing capacity with 64,000 psi tensile strength and Brinell 126 hardness for reliable performance in demanding industrial environments.
• Precise motion control with ±0.009" per foot travel accuracy, ensuring consistent positioning in automated systems.
• Efficient fast-travel operation due to the 2:1 speed ratio and 0.333" travel per turn, reducing cycle times in high-speed applications.
• Superior thread engagement and wear resistance from the Class 2C thread fit and fully threaded Acme design, minimizing backlash and extending service life.
• Versatile left-hand threading enabling reverse motion setups and specialized machinery configurations without additional components.
• Robust 1018 carbon steel construction providing excellent durability and resistance to deformation under continuous use.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 3/4-6 left hand Acme lead screw is engineered to address critical challenges in industrial automation and precision machinery. The 1018 carbon steel material, combined with a Brinell 126 hardness and 64,000 psi tensile strength, ensures reliable operation under high-stress conditions, reducing the risk of thread stripping or failure. The fully threaded Acme design and Class 2C thread fit provide smooth, low-friction motion with minimal backlash, essential for applications like CNC machines, linear actuators, and packaging equipment. The left-hand thread direction offers flexibility in designing systems requiring counter-rotational movement, while the ±0.009" per foot accuracy guarantees repeatable positioning in precision assembly lines. Ideal for fast-travel mechanisms, this screw enhances efficiency in material handling and manufacturing processes, supported by its 2:1 speed ratio for rapid traversal.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a 3/4"-6 Acme thread size and Class 2C thread fit, ensuring precise dimensional tolerances for compatibility with standard nuts and components. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming the absence of hazardous substances. Manufactured from 1018 carbon steel, it delivers consistent performance in line with industrial specifications for strength and durability.