S-98935A485 1"-8 x 3 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise Motion Control: Achieve accurate linear movement with 0.125" travel per turn, ideal for applications requiring consistent positioning.
• Enhanced Durability: Crafted from Grade 2 Carbon Steel with a tensile strength of 64,000 psi and Rockwell B61 hardness for reliable performance in demanding environments.
• Superior Thread Engagement: Class 2G thread fit ensures smooth operation and reduced wear with compatible nuts, extending service life.
• Left-Hand Threading Advantage: The left-hand ACME thread provides unique solutions for assemblies requiring reverse-direction movement or specialized mechanical setups.
• Full-Length Utility: Fully threaded 3 ft. length offers maximum flexibility for various mounting and travel requirements in industrial machinery.
• Compliance and Safety: Meets ASTM A108 specifications and is RoHS 3/REACH compliant, ensuring environmental responsibility and material consistency.
• Simple and Reliable Design: Single thread start and 1:1 speed ratio facilitate easy integration and predictable performance in motion control systems.

Professional Applications & Engineering Value

This 1"-8 left-hand ACME threaded lead screw is engineered to address critical challenges in industrial automation and precision machinery. The Grade 2 carbon steel construction, combined with a fully threaded design and Class 2G fit, ensures minimal backlash and consistent force transmission, reducing maintenance needs in high-cycle applications. Its left-hand thread direction is particularly valuable in systems requiring counter-rotational movement or to prevent loosening under specific operational stresses. Commonly used in CNC equipment, linear actuators, and clamping devices, this lead screw provides reliable motion control with 0.125" travel per turn, enhancing accuracy in positioning tasks while adhering to ASTM A108 standards for material integrity.

Specification Summary & Compliance

This product features a 1"-8 ACME thread with Class 2G fit for precise dimensional tolerance, ensuring compatibility with standard nuts. It is manufactured in accordance with ASTM A108 specifications, providing consistent mechanical properties including a tensile strength of 64,000 psi and Rockwell B61 hardness. The lead screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.