S-98941A290 1 1/4"-5 x 6 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise 0.2" travel per turn ensures accurate linear positioning for repeatable motion control applications.
• Durable zinc plating on carbon steel provides excellent corrosion resistance, extending service life in industrial environments.
• Class 2G thread fit offers optimal clearance for smooth operation with ACME nuts, reducing binding and wear.
• High 68,000 psi tensile strength and Rockwell B61 hardness deliver reliable load-bearing capacity and resistance to deformation under stress.
• Fully threaded 6-foot length and right-hand single start design allows for versatile installation and consistent force transmission.
• Compliance with ASTM A108 and RoHS 3 guarantees material consistency and environmental safety for global supply chains.
• 1:1 speed ratio with ACME thread profile enables efficient power transmission with minimal backlash in precision assemblies.

Professional Applications & Engineering Value

This 1 1/4"-5 ACME lead screw is engineered to solve critical challenges in precision motion control systems, such as CNC machinery, linear actuators, and lifting equipment. The zinc plated carbon steel construction combats rust and wear in harsh operational settings, while the fully threaded design and right-hand threading ensure uniform force distribution and ease of integration with standard ACME nuts. By providing a consistent 0.2" travel per turn, it minimizes positional errors and enhances the reliability of automated processes, making it ideal for industrial applications demanding high accuracy and durability. The single start thread and Class 2G thread fit further contribute to smooth, low-friction movement, reducing maintenance downtime and improving overall system efficiency.

Specification Summary & Compliance

This product adheres to Class 2G thread fit tolerances as per inch system standards, ensuring compatibility with mating components. It meets ASTM A108 specifications for material quality and is RoHS 3 (2015/863/EU) Compliant, confirming the absence of hazardous substances. The ACME thread type and Grade 2 strength classification provide reliable performance in accordance with industrial benchmarks for tensile strength and hardness.