S-91808A110 1"-5 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability - Crafted from carbon steel with Grade 2 classification, this nut offers superior resistance to wear and deformation in high-stress environments.
• Precision Movement Control - With a 0.2" travel distance per turn and single-start thread, it ensures accurate linear motion and smooth operation in mechanical assemblies.
• Reliable Thread Engagement - The Class 2G thread fit provides consistent, secure fastening with minimal backlash, ideal for repetitive motion applications.
• High Tensile Strength - Boasting 64,000 psi tensile strength and Rockwell B85 hardness, it withstands heavy loads without compromising structural integrity.
• Left-Hand Thread Compatibility - Designed with left-hand Acme threads, it enables unique mechanical configurations and prevents unintended loosening in rotating systems.
• Easy Installation & Maintenance - The hex nut design allows for straightforward wrench access, reducing assembly time and simplifying serviceability.
• Environmental Compliance Assurance - Fully compliant with RoHS 3 and REACH regulations, ensuring safe use in regulated industries and global markets.

Professional Applications & Engineering Value

This 1"-5 left-hand Acme thread hex nut delivers critical performance in industrial settings where precision and reliability are non-negotiable. Engineered from carbon steel Grade 2, it addresses common challenges such as thread wear, misalignment, and load fatigue in linear motion systems, lead screw assemblies, and heavy machinery. The Acme thread form combined with a Class 2G fit ensures low friction and high efficiency, reducing maintenance downtime. Its left-hand thread direction is particularly valuable in counter-rotational mechanisms, providing failsafe operation. With a 0.2" travel per turn, it offers controlled movement for positioning equipment, making it indispensable in automation, CNC machinery, and material handling systems where exact displacement is crucial.

Specification Summary & Compliance

This nut adheres to inch-based Acme thread standards with a 1"-5 thread size and Class 2G thread fit for precise dimensional accuracy. Manufactured to meet Grade 2 mechanical properties, it guarantees 64,000 psi tensile strength and Rockwell B85 hardness. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in environmentally conscious applications.