S-91808A111 1"-6 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Reliable reverse-thread operation with left-hand Acme threading for applications requiring counter-clockwise tightening or specialized motion control
• Exceptional durability from Grade 2 carbon steel construction offering 64,000 psi tensile strength and Rockwell B85 hardness for long service life
• Precise linear movement with 0.167" travel distance per turn and single thread start design for accurate positioning control
• Superior thread engagement with Class 2G fit ensuring smooth operation and reduced backlash in demanding industrial environments
• Easy installation and maintenance thanks to standard hex nut design for straightforward wrench access and secure fastening
• Environmental compliance assurance meeting RoHS 3 and REACH standards for use in regulated industrial applications
• Optimized for lead screw systems with 1"-6 Acme thread specification providing reliable power transmission in motion control applications

Professional Applications & Engineering Value

This left-hand Acme hex nut delivers critical performance in industrial applications where reverse threading prevents accidental loosening from rotational forces. The Grade 2 carbon steel construction provides the ideal balance of strength and machinability, while the Class 2G thread fit ensures consistent performance in Acme lead screw systems requiring precise linear motion. With 0.167" travel per turn and single thread start design, this component offers predictable movement in clamping devices, positioning tables, and machinery where controlled reverse motion is essential. The combination of 64,000 psi tensile strength and Rockwell B85 hardness makes it suitable for moderate load applications in manufacturing, automation, and material handling equipment.

Specification Summary & Compliance

This 1"-6 left-hand Acme hex nut features Class 2G thread fit per Acme thread standards with 0.167" travel distance per turn and single thread start configuration. Manufactured from Grade 2 carbon steel with mechanical properties including 64,000 psi tensile strength and Rockwell B85 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict material restrictions.