S-98935A915 5/8"-8 x 4 ft. 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
- Precise linear motion control with a consistent 0.125" travel per revolution for reliable and repeatable positioning.
- Enhanced durability and wear resistance from Grade 2 Carbon Steel construction with a Rockwell B61 hardness rating.
- High mechanical strength under load thanks to a 64,000 psi tensile strength, suitable for demanding industrial applications.
- Smooth and reliable engagement with a Class 2G thread fit, providing optimal clearance for ACME threads with lubricant.
- Simplified assembly and compatibility with standard ACME nuts due to the right-hand, single-start, and fully threaded design.
- Guaranteed material quality and consistency as it is manufactured to meet the ASTM A108 specification.
- Safe for use in regulated environments with full compliance to RoHS 3 and REACH environmental standards.
Professional Applications & Engineering Value
This 5/8-8 ACME lead screw is engineered to solve core challenges in precision motion control systems. The Grade 2 Carbon Steel construction provides an excellent balance of strength and machinability, resisting deformation under continuous operation. The fully threaded and single-start ACME thread design ensures consistent force transmission and minimal backlash, which is critical for applications like CNC positioning tables, lifting mechanisms, and automated industrial machinery. Its 0.125" travel per turn offers predictable linear movement, enhancing the accuracy and repeatability of your equipment. This component delivers long-term engineering value by reducing maintenance cycles and improving system reliability in demanding industrial applications.
Specification Summary & Compliance
This ACME lead screw features a 5/8"-8 thread size with a Class 2G thread fit per standard ACME specifications, ensuring proper assembly and performance. It is manufactured from Grade 2 Carbon Steel with a tensile strength of 64,000 psi and a hardness of Rockwell B61. The product conforms to the ASTM A108 standard for material quality and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.
