S-98935A736 3/4"-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
- Precise positioning with 0.125" travel per turn for accurate and repeatable motion control in automated systems.
- Enhanced durability and wear resistance from Grade 2 carbon steel construction with a Rockwell B61 hardness rating.
- Reliable load-bearing performance supported by a high tensile strength of 64,000 psi for demanding industrial applications.
- Superior thread engagement and smoother operation due to the Class 2G thread fit, minimizing backlash.
- Broad compatibility and easy integration with standard ACME nuts, thanks to the 3/4"-8 fully threaded, right-hand design.
- Guaranteed material quality and consistency as it meets the ASTM A108 specification for steel bars.
- Safe for use in regulated environments with full compliance to RoHS 3 and REACH environmental directives.
Professional Applications & Engineering Value
This 3/4"-8 ACME lead screw is engineered to solve critical challenges in precision motion control systems. Manufactured from Grade 2 carbon steel, it provides the optimal balance of strength and machinability, resisting deformation under continuous loads. The fully threaded and right-hand Acme thread design ensures consistent force transmission and reliable performance in applications like linear actuators, CNC machinery, and lifting equipment. Its 0.125" travel per turn offers predictable and precise linear movement, which is vital for automation and positioning systems where accuracy is non-negotiable. By meeting ASTM A108 standards, it delivers the material integrity required for long-term, industrial use without premature failure.
Specification Summary & Compliance
This lead screw adheres to critical dimensional and performance standards. The thread fit is Class 2G, providing a standard tolerance for general-purpose applications. It conforms to the ASTM A108 specification for material quality. Furthermore, the product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets the latest environmental and safety regulations for hazardous substances.
