S-98935A510 1 1/8"-5 x 6 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precision Motion Control: Achieve accurate linear movement with a consistent 0.2" travel per turn, ideal for repeatable positioning in automated systems.
• Enhanced Durability & Strength: Constructed from Grade 2 Carbon Steel with a 53,000 psi tensile strength and Rockwell B61 hardness for reliable performance under heavy loads.
• Left-Hand Threading for Specialized Applications: Enables unique mechanical setups where reverse-direction motion is required, preventing unintended loosening in specific assemblies.
• Superior Thread Engagement: Class 2G thread fit ensures optimal clearance and smooth operation with matching nuts, reducing wear and backlash.
• Robust Full-Length Design: The 6 ft. fully threaded length provides maximum flexibility for long-travel applications without the need for splicing.
• Guaranteed Material Consistency: Manufactured to ASTM A108 specifications, ensuring uniform quality and mechanical properties.
• Safe for Global Use: Compliant with RoHS 3 and REACH regulations, making it suitable for international industrial markets.

Professional Applications & Engineering Value

This 1 1/8"-5 ACME left hand thread lead screw is engineered to solve critical challenges in industrial motion control and linear actuation systems. The ACME thread type is renowned for its high load-bearing capacity and efficiency, making it perfect for applications like CNC machinery, lifting equipment, and precision conveyors where durability and low friction are paramount. The Grade 2 carbon steel construction provides an excellent balance of strength and machinability, resisting deformation under continuous use. The left-hand thread direction is particularly valuable in counter-rotational mechanisms or safety-critical systems to prevent accidental disengagement. With a 0.2" travel per turn, it offers predictable and controlled linear displacement, enhancing the accuracy of automated processes and reducing operational downtime in demanding environments.

Specification Summary & Compliance

This lead screw adheres to precise dimensional and performance standards, including a Class 2G thread fit for optimal assembly tolerance and the 1 1/8"-5 ACME thread specification. It is manufactured in compliance with the ASTM A108 standard for material quality and consistency. The product fully meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and approved for use in global industrial markets.