S-98935A530 1 1/4"-5 x 6 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability & Strength: Crafted from Grade 2 carbon steel with a tensile strength of 53,000 psi and Rockwell B61 hardness, ensuring reliable performance under heavy loads and reducing the risk of premature failure.
• Precision Motion Control: Offers a consistent 0.2" travel distance per turn for accurate and repeatable linear movement, ideal for applications requiring exact positioning.
• Superior Thread Engagement: Features a Class 2G thread fit for smoother operation and reduced wear, providing a longer service life in demanding environments.
• Versatile Left-Hand Threading: The left-hand ACME thread allows for unique assembly configurations and counter-rotational applications, expanding design flexibility.
• Full-Length Usability: Being fully threaded along its 6 ft. length, it enables maximum nut travel and installation versatility across various setups.
• Compliance & Reliability: Meets ASTM A108 specifications and is RoHS 3 & REACH compliant, ensuring material consistency and environmental safety for global use.
• Efficient Single-Start Design: With a single start thread and 1:1 speed ratio, it simplifies synchronization and maintenance in motion systems.

Professional Applications & Engineering Value

This 1 1/4"-5 ACME left-hand thread lead screw is engineered to address critical challenges in industrial motion control, such as precise linear actuation and high-load positioning. Constructed from Grade 2 carbon steel, it combats wear and deformation in repetitive operations, making it ideal for machinery like CNC systems, lifting equipment, and automated conveyors. The fully threaded design and ACME thread type ensure efficient power transmission with minimal backlash, while the left-hand thread direction provides solutions for specialized assemblies requiring reverse motion. By integrating high tensile strength and standardized dimensions, it reduces downtime and maintenance costs, offering a dependable component for engineers focused on durability and precision in harsh industrial environments.

Specification Summary & Compliance

This lead screw adheres to precise engineering standards, including a Class 2G thread fit for consistent engagement and ASTM A108 material specifications. It features a 1 1/4"-5 ACME thread size with left-hand direction and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use worldwide.