S-98935A715 1/2"-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 linear motion control with 0.125" travel per turn for accurate positioning in automated systems
- Exceptional durability from Grade 2 carbon steel construction, resisting wear in continuous industrial operations
- High load-bearing capacity with 64,000 psi tensile strength for reliable performance under heavy mechanical stress
- Consistent thread engagement through Class 2G thread fit, minimizing backlash in precision assemblies
- Corrosion resistance and material integrity maintained via Rockwell B61 hardness for long service life
- Broad compatibility with standard ACME nut systems due to unified 1/2"-8 thread specifications
- Environmental and safety compliance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This 1/2"-8 ACME lead screw is engineered to address critical challenges in precision motion control systems, such as CNC machinery, linear actuators, and automated positioning equipment. The fully threaded design and right-hand thread direction ensure smooth, predictable linear movement, while the carbon steel construction with Grade 2 strength provides resilience against dynamic loads and operational fatigue. By utilizing ACME thread type and Class 2G thread fit, it reduces the risk of cross-threading and enhances alignment in high-cycle applications. The 0.125" travel per turn offers fine control, making it ideal for settings requiring repeatable accuracy without sacrificing speed or torque transmission.
Specification Summary & Compliance
This lead screw adheres to ASTM A108 material specifications, ensuring consistent quality and performance. Thread dimensions follow standardized 1/2"-8 ACME profiles with Class 2G thread fit for precise tolerances. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The product meets defined mechanical properties, including 64,000 psi tensile strength and Rockwell B61 hardness, validating its suitability for demanding industrial environments.
