S-98890A119 5/8"-8 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Consistent 0.125" linear travel per revolution for predictable and repeatable positioning in automated systems
• Robust cast iron construction provides excellent durability and resistance to wear in demanding industrial environments
• Precision Class 2G thread fit ensures smooth, low-friction operation with minimal backlash for accurate motion control
• Hardened to Rockwell B67 for superior surface strength and extended service life under continuous load
• Ergonomic offset handle design allows for comfortable manual operation and easy integration into assembly stations
• 1:1 speed ratio offers direct and immediate response for precise manual or mechanical actuation
• Compliant with RoHS 3 and REACH regulations ensuring environmental safety and global market acceptability

Professional Applications & Engineering Value

Engineered for reliability, this 5/8-8 ACME lead screw is a cornerstone for precision linear motion systems. The cast iron material, combined with a Rockwell B67 hardness, directly addresses the common industrial challenges of component wear and deformation under load, significantly reducing maintenance cycles. The ACME thread profile is specifically chosen for its efficiency in power transmission and its ability to handle high axial loads, making it ideal for applications like machine tool slides, clamping fixtures, and lifting mechanisms. The right-hand thread and single thread start provide straightforward, predictable motion, which is critical for synchronization and positioning accuracy in assembly and automation equipment. This component delivers long-term engineering value by enhancing system uptime and operational consistency.

Specification Summary & Compliance

This precision component adheres to the Class 2G thread fit standard for inch-series ACME threads, ensuring dimensional accuracy and proper clearance. The specified thread size is 5/8"-8 with a single thread start. The manufacturing and material composition are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting its use in environmentally conscious industrial markets.