S-91808A109 3/4"-6 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability - Grade 2 carbon steel construction provides excellent wear resistance and long service life in demanding industrial environments
• Precision Movement Control - 0.167" travel distance per turn ensures accurate linear positioning and repeatable motion performance
• Reliable Thread Engagement - Class 2G thread fit maintains consistent performance while allowing for easier assembly and disassembly
• High Strength Performance - 64,000 psi tensile strength and Rockwell B85 hardness deliver robust load-bearing capability for industrial applications
• Left-Hand Threading Solution - Reverse thread direction provides specialized functionality for applications requiring counter-rotational security
• Single Start Design Efficiency - One thread start ensures smooth, predictable movement and simplified installation processes
• Environmental Compliance Assurance - RoHS 3 and REACH compliance meets international regulatory standards for safe industrial use

Professional Applications & Engineering Value

This left-hand Acme hex nut delivers exceptional engineering value in applications requiring precise linear motion with reverse threading security. Manufactured from Grade 2 carbon steel, the component addresses critical industrial needs for durability and strength in machinery where standard right-hand threads would compromise safety or functionality. The Acme thread form provides superior load distribution and wear resistance compared to standard V-threads, making it ideal for lead screw systems in manufacturing equipment, clamping devices, and positioning mechanisms. The single thread start design ensures predictable movement with 0.167" travel per revolution, offering engineers reliable performance in automated systems, lifting equipment, and precision adjustment applications where controlled reverse motion is essential for operational safety and process reliability.

Specification Summary & Compliance

This precision Acme hex nut features 3/4"-6 left-hand threading with Class 2G fit tolerance, ensuring proper clearance for smooth operation while maintaining structural integrity. Manufactured to industry standards for Acme lead screw components, the nut delivers 64,000 psi tensile strength and Rockwell B85 hardness from Grade 2 carbon steel construction. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting current international standards for hazardous substance restrictions and chemical safety in industrial fasteners.