S-98935A559 2"-4 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 motion control with 0.25" travel per turn for accurate positioning in automation systems
- Exceptional durability from Grade 2 carbon steel construction with 53,000 psi tensile strength
- Reliable left-hand thread operation for specialized applications requiring reverse direction movement
- Superior thread engagement with Class 2G thread fit ensuring smooth operation and reduced backlash
- Full 3-foot threaded length providing maximum flexibility for various mounting configurations
- Industry-standard compliance with ASTM A108 specifications for consistent quality and performance
- Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This 2"-4 ACME left-hand thread lead screw delivers exceptional performance in demanding motion control applications where precision and reliability are paramount. The Grade 2 carbon steel construction, hardened to Rockwell B61, provides excellent wear resistance and 53,000 psi tensile strength for handling substantial loads in industrial environments. The fully threaded design across the entire 3-foot length allows for versatile installation in machinery, CNC equipment, and automation systems. The left-hand ACME threading is particularly valuable in applications requiring reverse direction movement or where multiple screws must operate in opposition. With 0.25" travel per turn, this lead screw offers precise linear motion control while the Class 2G thread fit ensures smooth operation with minimal backlash, making it ideal for precision positioning systems and industrial automation equipment.
Specification Summary & Compliance
This ACME lead screw features 2"-4 left-hand threads with Class 2G thread fit tolerance for optimal performance. Manufactured from Grade 2 carbon steel meeting ASTM A108 specifications, it delivers 53,000 psi tensile strength and Rockwell B61 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
