S-98948A140 5/8"-8 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise linear motion control with 0.125" travel per turn for accurate positioning in automated systems
• Enhanced corrosion resistance through zinc plating on carbon steel, extending service life in industrial environments
• Reliable left-hand thread engagement with Class 2G fit ensuring consistent performance in reverse-motion applications
• Superior mechanical strength from Rockwell B75 hardness, maintaining thread integrity under repeated use
• Easy installation and maintenance with standard hex nut design compatible with common wrench tools
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
• Optimized single-start Acme thread design providing smooth operation with minimal backlash in power transmission systems

Professional Applications & Engineering Value

This 5/8-8 left hand Acme hex nut delivers critical performance in industrial motion control systems where reverse-direction operation is essential. The zinc plated carbon steel construction provides durable protection against corrosion while maintaining the Rockwell B75 hardness necessary for sustained mechanical loading. Engineered with Class 2G thread fit and Acme thread profile, this component ensures precise engagement with lead screws in positioning equipment, clamping devices, and lifting mechanisms. The left-hand thread direction specifically addresses applications requiring counter-rotational security or specialized mechanical advantage. With 0.125" travel per turn, it offers predictable linear motion in automated manufacturing, packaging machinery, and precision adjustment systems where controlled movement is paramount.

Specification Summary & Compliance

Manufactured to inch system standards with 5/8"-8 Acme threads in left-hand direction and Class 2G thread fit tolerances. The single-start thread design delivers consistent 0.125" travel distance per turn with hex nut configuration for standard tool compatibility. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications. Material specifications include zinc plated carbon steel construction with Rockwell B75 hardness rating.