S-98940A120 1"-6 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional travel accuracy of ±0.009" per foot ensures reliable, repeatable positioning in demanding motion control systems.
• Superior durability and wear resistance from hardened 4140 alloy steel construction with a Brinell hardness of 271 for long service life.
• High tensile strength of 125,000 psi provides robust performance under heavy loads and high-stress industrial applications.
• Corrosion-resistant black-oxide finish on the 4140 alloy steel enhances protection in various operating environments.
• Precision ACME threading with Class 2C fit offers smooth, efficient power transmission and reduced backlash in linear motion assemblies.
• Consistent 0.167" travel per turn delivers predictable and controlled linear movement for automated processes.
• RoHS 3 compliance ensures environmental responsibility and meets stringent international regulatory standards.

Professional Applications & Engineering Value

This 1"-6 ACME lead screw is engineered for precision linear motion in industrial settings such as CNC machinery, automated positioning systems, and material handling equipment. The black-oxide 4140 alloy steel construction, combined with hardening, resists wear and deformation under continuous operation, addressing common issues of component failure and maintenance downtime. The Class 2C thread fit and fully threaded, right-hand design ensure smooth engagement with matching nuts, minimizing vibration and improving motion control accuracy. With its high tensile strength and consistent travel distance per turn, it provides reliable performance in applications requiring precise, repeatable movements, enhancing overall system efficiency and longevity.

Specification Summary & Compliance

This precision ACME lead screw features a 1"-6 thread size with Class 2C thread fit per industry standards, ensuring dimensional accuracy and compatibility. It provides a travel distance per turn of 0.167" with an accuracy of ±0.009" per ft. Manufactured from hardened black-oxide 4140 alloy steel, it meets specified mechanical properties including 125,000 psi tensile strength and Brinell 271 hardness. The product is RoHS 3 (2015/863/EU) Compliant, adhering to environmental and safety regulations for restricted substances.