S-98935A757 1 1/8"-5 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 0.2" travel per turn ensures accurate linear positioning for motion control systems.
- High tensile strength of 64,000 PSI provides reliable load-bearing capacity in demanding industrial applications.
- Class 2G thread fit offers optimal clearance for smooth operation and reduced wear in assembly.
- Grade 2 carbon steel construction with Rockwell B61 hardness delivers excellent durability and resistance to deformation.
- Fully threaded, right-hand Acme design enables consistent power transmission and easy integration with standard nuts.
- Compliance with ASTM A108, RoHS 3, and REACH ensures material consistency and environmental safety for global supply chains.
- 1 1/8"-5 thread size with single start simplifies maintenance and replacement in existing setups.
Professional Applications & Engineering Value
This ACME lead screw is engineered to address critical needs in precision motion control systems, such as CNC machinery, linear actuators, and automated positioning equipment. The Grade 2 carbon steel material, combined with a fully threaded Acme profile, ensures high torque efficiency and minimal backlash, reducing operational downtime. Its right-hand thread direction and 0.2" travel per turn provide predictable linear movement, essential for repetitive industrial tasks. By meeting ASTM A108 specifications, it guarantees dimensional stability under heavy loads, making it ideal for applications requiring long-term reliability and consistent performance in harsh environments.
Specification Summary & Compliance
This lead screw adheres to Class 2G thread fit tolerances for precise engagement, with a 1 1/8"-5 Acme thread type and single start design. It conforms to ASTM A108 manufacturing standards, ensuring material integrity and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting sustainable and safe industrial use without hazardous substances.
