S-98935A820 1/2"-8 x 3 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 0.125" travel per turn for accurate positioning in automated systems
- Enhanced durability and wear resistance from Grade 2 carbon steel construction with Rockwell B61 hardness
- Reliable load-bearing capacity supported by 64,000 psi tensile strength for demanding industrial applications
- Consistent thread engagement ensured by Class 2G thread fit, reducing backlash and improving operational smoothness
- Optimized for right-hand drive systems with single-start ACME threading for straightforward integration
- Full 3-foot threaded length provides maximum flexibility for various mounting configurations and travel requirements
- Compliance with international safety standards including RoHS 3 and REACH for environmentally responsible manufacturing
Professional Applications & Engineering Value
This 1/2-8 ACME lead screw delivers exceptional performance in precision motion control systems where reliability and accuracy are paramount. Manufactured from Grade 2 carbon steel and heat-treated to Rockwell B61 hardness, it resists deformation under continuous operation in CNC machinery, 3D printers, and industrial automation equipment. The fully threaded design with right-hand ACME threading ensures consistent force transmission across the entire 3-foot length, while the Class 2G thread fit minimizes play for repeatable positioning. With 0.125" travel per turn, it provides the ideal balance between speed and precision for material handling, lifting mechanisms, and precision adjustment systems requiring 64,000 psi tensile strength.
Specification Summary & Compliance
This ACME lead screw features 1/2"-8 thread size with Class 2G thread fit tolerance and right-hand thread direction. Manufactured in compliance with ASTM A108 specifications, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. The component maintains dimensional stability with single-start threading and 1:1 speed ratio, ensuring consistent performance in industrial motion control applications.
