S-98941A740 5/8"-8 x 12" ASTM A108 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Load & Performance Parameters
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Key Features & Benefits at a Glance
- Enhanced load-bearing capacity with 68,000 psi tensile strength for reliable performance in demanding mechanical systems
- Superior corrosion resistance provided by zinc plating, extending service life in industrial environments
- Precise linear motion control with 0.125" travel per turn and Class 2G thread fit for accurate positioning
- Exceptional durability from Grade 2 carbon steel construction with Rockwell B61 hardness rating
- Industry-standard compatibility through ASTM A108 compliance and Acme thread profile for easy integration
- Environmental regulation compliance with RoHS 3 (2015/863/EU) certification for global market acceptance
- Optimized mechanical efficiency with 1:1 speed ratio and single thread start for smooth operation
Professional Applications & Engineering Value
This 5/8-8 ACME lead screw delivers exceptional engineering value in industrial automation, CNC machinery, and precision positioning systems. The Grade 2 zinc plated carbon steel construction addresses common corrosion concerns while maintaining structural integrity under continuous operation. The fully threaded Acme design with right-hand threading provides reliable power transmission with minimal backlash, solving critical alignment and wear issues in mechanical assemblies. With 0.125" travel per turn, engineers achieve precise linear motion control essential for manufacturing equipment, 3D printers, and material handling systems. The combination of Class 2G thread fit and standardized Acme thread type ensures compatibility with industry-standard nuts and components, reducing installation time and maintenance costs.
Specification Summary & Compliance
This inch-system lead screw features 5/8"-8 Acme threads with Class 2G thread fit tolerance for precise engagement. Manufacturing complies with ASTM A108 specifications, ensuring consistent quality and performance. The component meets RoHS 3 (2015/863/EU) environmental standards, confirming compliance with restricted substance regulations. With single thread start configuration and 1:1 speed ratio, the screw delivers predictable mechanical advantage for engineering calculations and system design.
