S-98941A430 5/8"-8 x 3 ft. ASTM A108 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 industrial applications
• Enhanced durability and corrosion resistance through zinc plating on carbon steel construction
• Reliable load-bearing capacity with 68,000 psi tensile strength and Rockwell B61 hardness rating
• Superior thread engagement with Class 2G thread fit ensuring smooth operation and reduced backlash
• Industry-standard compliance meeting ASTM A108 specifications for consistent quality and performance
• Environmental responsibility with RoHS 3 compliance for safe use in regulated industries
• Optimized single-start design providing consistent motion transfer without complexity

Professional Applications & Engineering Value

This 5/8-8 ACME lead screw delivers exceptional value in precision motion control systems where reliability and accuracy are paramount. The zinc plated carbon steel construction provides excellent corrosion resistance while maintaining the structural integrity needed for demanding industrial environments. The fully threaded design with right-hand thread direction ensures consistent performance throughout the entire 3-foot length, making it ideal for CNC machinery, automated positioning systems, and material handling equipment. The ACME thread type offers superior power transmission efficiency compared to standard threads, while the single-start configuration simplifies installation and maintenance. Engineers benefit from the predictable 0.125" travel per turn, enabling precise calculations for linear motion applications without complex gearing systems.

Specification Summary & Compliance

This Grade 2 lead screw features Class 2G thread fit tolerances ensuring proper engagement with matching nuts while maintaining smooth operation. The manufacturing process adheres to ASTM A108 specifications, guaranteeing consistent material properties and dimensional accuracy. The product is fully RoHS 3 (2015/863/EU) compliant, meeting international environmental standards for restricted substances. With standardized 5/8-8 ACME thread dimensions and right-hand threading, this component integrates seamlessly into existing industrial systems requiring reliable linear motion solutions.