S-98935A728 3/4"-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
- High tensile strength of 64,000 psi ensures reliable performance under heavy loads, reducing the risk of failure in demanding applications.
- Precise 0.2" travel per turn delivers accurate linear motion control, ideal for applications requiring repeatable positioning.
- Class 2G thread fit provides optimal clearance for smooth operation with minimal backlash, enhancing efficiency in motion systems.
- Grade 2 carbon steel construction with Rockwell B61 hardness offers excellent durability and resistance to wear in industrial environments.
- Fully threaded 12" length allows for versatile installation and consistent engagement along the entire screw.
- Compliance with ASTM A108, RoHS 3, and REACH guarantees material consistency and environmental safety, meeting global regulatory standards.
- Right-hand Acme threading ensures compatibility with standard nuts and ease of integration into existing systems.
Professional Applications & Engineering Value
This 3/4"-5 ACME lead screw is engineered to address common challenges in precision motion control systems, such as positioning accuracy and load-bearing stability. Made from Grade 2 carbon steel, it provides robust strength and hardness (Rockwell B61) to withstand repetitive use in industrial settings like CNC machinery, linear actuators, and automated conveyors. The fully threaded design and Acme thread type ensure efficient power transmission with low friction, reducing maintenance needs. With a travel distance of 0.2" per turn and Class 2G thread fit, it minimizes play and enhances control, making it ideal for applications requiring dependable, long-term performance in harsh conditions.
Specification Summary & Compliance
This lead screw adheres to Class 2G thread fit tolerances for precise engagement and smooth operation. It meets ASTM A108 specifications for material quality, ensuring consistent mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, it supports environmental and safety regulations, with no restricted substances above threshold limits.
