S-91808A014 3/8"-8 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance with Grade 2 carbon steel construction and Rockwell B85 hardness for extended service life in demanding environments.
• Precise and predictable linear motion with a 0.125" travel distance per turn, ensuring accurate positioning in assembly and automation systems.
• Reliable left-hand thread engagement with Class 2G thread fit, providing consistent performance and reduced risk of loosening in specific rotational applications.
• High mechanical strength offering a 64,000 psi tensile strength to withstand significant operational loads and stresses.
• Easy installation and maintenance thanks to the standard hex nut design, allowing for simple wrenching and serviceability.
• Guaranteed material safety with full compliance to RoHS 3 and REACH regulations, ensuring suitability for global markets and sensitive industries.
• Optimized for inch-system machinery with a 3/8-8 Acme thread, making it a direct replacement or upgrade for existing equipment.

Professional Applications & Engineering Value

This left-hand Acme hex nut is engineered to solve critical challenges in motion control systems where reverse threading is required to prevent unintended disengagement. Manufactured from Grade 2 carbon steel, it delivers an optimal balance of 64,000 psi tensile strength and machinability, making it ideal for high-duty-cycle applications like linear actuators, CNC machinery, and precision lifting equipment. The Class 2G thread fit and standardized Acme thread form ensure smooth, low-friction travel with minimal backlash, enhancing the accuracy and repeatability of automated processes. Its RoHS 3 and REACH compliance further ensures that it meets stringent environmental and safety standards, making it a reliable choice for OEMs and maintenance engineers in industrial manufacturing.

Specification Summary & Compliance

This component features a 3/8-8 left-hand Acme thread with a Class 2G thread fit per standard inch system practices, ensuring dimensional accuracy and interchangeability. It is manufactured from Grade 2 carbon steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to international environmental and safety directives for industrial use.