S-98940A112 3/4"-5 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Wear Resistance: Hardened 4140 alloy steel with black-oxide coating provides superior corrosion protection and extended service life in demanding industrial environments.
• Exceptional Motion Control Precision: Maintains a tight travel accuracy of ±0.009" per foot, ensuring reliable and repeatable positioning for automated systems.
• High Load-Bearing Capacity: With a 125,000 psi tensile strength and Brinell 271 hardness, this screw withstands significant mechanical stress without deformation.
• Optimized Power Transmission: The single-start ACME thread delivers a consistent 0.2" travel per turn for smooth, efficient force and motion transfer.
• Guanteed Interchangeability & Fit: Manufactured to Class 2C thread fit standards, ensuring compatibility and predictable performance with matched nuts.
• Ready for Immediate Integration: Supplied as a 6 ft. long, fully threaded component with a standard right-hand thread, simplifying installation in linear motion assemblies.
• Compliance with Environmental Directives: RoHS 3 compliant construction meets stringent international regulations for hazardous substances.

Professional Applications & Engineering Value

This 3/4"-5 ACME lead screw is engineered to solve critical challenges in industrial automation and motion control systems. The Black-Oxide 4140 Alloy Steel construction, combined with a through-hardening process, provides exceptional resistance to abrasion and fatigue, directly addressing the need for longevity in high-cycle applications like CNC machinery, precision lifting equipment, and automated positioning tables. The ACME thread form and Class 2C fit offer an optimal balance between high torque efficiency and minimal backlash, ensuring smooth and precise linear motion. Its ±0.009" per foot accuracy is vital for applications where positional repeatability is non-negotiable, effectively eliminating costly errors in assembly, testing, and packaging lines. This component delivers reliable performance, reduces maintenance downtime, and enhances the overall value of the machinery it drives.

Specification Summary & Compliance

This precision lead screw adheres to the Class 2C thread fit standard for ACME threads, ensuring dimensional consistency and proper engagement. The manufacturing process meets the material and performance specifications for hardened alloy steel components. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant, adhering to restrictions on hazardous substances for global market acceptance.