S-99030A141 1 1/4"-4 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional positioning accuracy with ±0.009" per foot tolerance for reliable, repeatable motion control in automated systems.
• Robust 1018 Carbon Steel construction delivers high tensile strength (64,000 psi) and Brinell 126 hardness for long-term durability under heavy loads.
• Optimized power transmission with a 0.25" travel distance per turn provides efficient linear motion conversion.
• Superior thread engagement with Class 2C thread fit ensures smooth operation and reduced backlash in precision assemblies.
• Industry-standard ACME thread profile (1 1/4"-4) offers high wear resistance and efficient force transmission.
• Full 6-foot length and fully threaded design enables versatile integration into various industrial machinery setups.
• Compliant with RoHS 3 and REACH regulations for safe use in global markets and environmentally conscious manufacturing.

Professional Applications & Engineering Value

This high-precision ACME lead screw solves critical engineering challenges in industrial automation and motion control systems. The 1018 Carbon Steel construction provides the necessary tensile strength and hardness to withstand continuous operation in CNC machinery, 3D printers, and material handling equipment. The ACME thread form combined with Class 2C thread fit delivers exceptional wear resistance and minimal backlash, ensuring consistent positioning accuracy over extended service life. The right-hand threaded, fully threaded design offers installation flexibility for various linear motion applications, from packaging machinery to industrial actuators, where ±0.009" per foot accuracy is crucial for production quality and operational reliability.

Specification Summary & Compliance

This ACME lead screw features a 1 1/4"-4 thread size with Class 2C thread fit tolerance, ensuring proper mating with standard ACME nuts. The manufacturing maintains ±0.009" per foot travel accuracy with 0.25" travel distance per single thread start. The component is manufactured in accordance with inch system standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions.