S-95120A519 5/8"-8 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Wear Resistance: Constructed from 932 Bearing Bronze for excellent longevity and reduced friction in high-use applications.
• Precision Left-Hand Threading: Features a 5/8"-8 Acme left-hand thread with Class 2G fit for reliable, backlash-resistant motion control in specialized setups.
• Integrated Flange for Secure Mounting: The 1-1/2" diameter flange with 1/4" thickness provides a stable, easy-to-install base, eliminating the need for separate washers or mounting hardware.
• Consistent Linear Travel: Delivers a precise 0.125" travel distance per turn, ensuring accurate and repeatable positioning in automated systems.
• Corrosion & Galling Resistance: The bronze material naturally resists seizing and corrosion, ideal for harsh industrial environments and maintaining smooth operation over time.
• Compact & Robust Design: With a 7/8" diameter and 1-1/4" height, this nut offers a space-saving yet sturdy solution for compact linear assemblies.
• Broad Compatibility: Designed to work seamlessly with standard Acme lead screws, making it a versatile choice for upgrading or repairing existing motion systems.

Professional Applications & Engineering Value

This 5/8-8 Left Hand Acme Flange Nut is engineered to address common challenges in linear motion systems, such as thread wear, misalignment, and mounting instability. Made from 932 Bearing Bronze, it provides inherent lubricity and resistance to galling, which is critical in applications involving frequent reversals or high-load conditions—common in CNC machinery, lifting equipment, and precision actuators. The left-hand Acme thread allows for unique mechanical configurations where reverse motion is required, while the integral flange simplifies installation and enhances stability by distributing load evenly. This nut ensures smooth, low-friction operation and long service life, reducing maintenance downtime and improving the reliability of industrial automation and heavy-duty mechanical drives.

Specification Summary & Compliance

This flange nut adheres to standard Acme thread specifications with a Class 2G thread fit, ensuring consistent engagement and dimensional accuracy. Key dimensions include a 7/8" body diameter, 1-1/2" flange diameter, and 0.125" travel per turn. The component is manufactured from 932 Bearing Bronze and is suitable for use in systems requiring left-hand threading. It conforms to industry-accepted standards for linear motion components and is produced in compliance with RoHS and REACH environmental directives, making it a safe and reliable choice for global industrial applications.