S-98940A432 2"-4 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional precision with ±0.009" per foot accuracy for reliable, repeatable motion control in automated systems.
• Superior durability and wear resistance from hardened 4140 alloy steel and black-oxide surface treatment, extending service life in harsh industrial environments.
• High load-bearing capacity with a tensile strength of 125,000 psi and Brinell 271 hardness, ensuring dependable performance under heavy loads.
• Precise linear motion with a 0.25" travel distance per turn and Class 2C thread fit, providing smooth, backlash-resistant operation.
• Versatile left-hand threading for applications requiring reverse motion or specialized mechanical arrangements.
• Full 6-foot length and complete threading offer flexibility for various machine designs and long-travel applications.
• Environmental compliance with RoHS 3 standards, making it suitable for use in regulated industries worldwide.

Professional Applications & Engineering Value

This precision ACME lead screw is engineered to solve critical challenges in industrial automation and motion control systems. The hardened 4140 alloy steel construction, combined with the black-oxide finish, provides excellent corrosion resistance and reduced friction, minimizing maintenance downtime in demanding environments like CNC machinery, packaging equipment, and material handling systems. The left-hand ACME threading and Class 2C thread fit ensure precise, predictable linear motion with minimal backlash, making it ideal for applications requiring reverse actuation or synchronization. With its high tensile strength and consistent 0.25" travel per turn, this component delivers reliable performance in precision positioning, lifting mechanisms, and other high-stress industrial applications where accuracy and durability are paramount.

Specification Summary & Compliance

This ACME lead screw features a 2"-4 thread size with Class 2C thread fit and left-hand direction, manufactured to precise engineering standards. It maintains tight tolerances with ±0.009" per foot accuracy for travel distance. The component is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it meets international environmental and safety standards for industrial use.