S-98935A440 3/4"-5 x 6 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
- 0.2" travel per turn ensures precise linear motion control for accurate positioning in automated systems.
- Left-hand threading provides reverse motion capabilities, ideal for specialized applications requiring counter-clockwise advancement.
- Carbon Steel Grade 2 construction offers excellent durability and wear resistance, extending service life in demanding industrial environments.
- Class 2G thread fit delivers reliable engagement with nuts, reducing backlash and ensuring smooth, consistent operation.
- 53,000 psi tensile strength and Rockwell B61 hardness guarantee robust performance under heavy loads without deformation.
- 6-foot length and fully threaded design allows for versatile installation in long-travel applications, minimizing the need for couplings.
- Compliance with ASTM A108, RoHS 3, and REACH ensures material consistency and environmental safety for global industrial use.
Professional Applications & Engineering Value
This 3/4"-5 Left Hand Acme Lead Screw is engineered to address common industrial challenges such as precise linear motion, high-load handling, and reverse operation needs. Made from carbon steel Grade 2, it provides superior strength and hardness (Rockwell B61) to withstand repetitive use in CNC machinery, conveyor systems, and lifting equipment. The Acme thread type and fully threaded design ensure efficient power transmission with minimal slippage, while the left-hand thread direction is critical for applications requiring opposing movement, such as clamping or adjusting mechanisms. By integrating a Class 2G thread fit, it reduces play and enhances accuracy, making it a reliable choice for motion control systems in manufacturing, packaging, and automation industries where precision and durability are paramount.
Specification Summary & Compliance
This lead screw adheres to Class 2G thread fit standards for precise dimensional accuracy and smooth assembly. It meets ASTM A108 specifications for material quality and performance, ensuring consistent manufacturing. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for environmentally conscious industrial applications.
