S-98935A683 1 1/4"-5 x 12 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High tensile strength (64,000 psi) for reliable load-bearing capacity in demanding industrial applications
• Precise 0.2" travel per turn ensures accurate linear motion control and repeatable positioning
• Class 2G thread fit provides optimal clearance for smooth operation with reduced friction and wear
• Durable Grade 2 Carbon Steel construction with Rockwell B61 hardness offers excellent wear resistance and longevity
• Fully threaded, right-hand ACME design allows for consistent force transmission along the entire 12-foot length
• Single-start thread configuration delivers straightforward, predictable motion without complexity
• Compliance with ASTM A108, RoHS 3, and REACH ensures material quality and environmental safety for global operations

Professional Applications & Engineering Value

This 1 1/4"-5 ACME Lead Screw is engineered to solve critical motion control challenges in industrial automation, machinery, and heavy-duty positioning systems. The carbon steel construction, combined with the ACME thread type and Class 2G thread fit, minimizes backlash and provides consistent torque transmission, reducing maintenance frequency. Its fully threaded, right-hand design and 0.2" travel per turn make it ideal for applications requiring precise linear movement, such as CNC machines, conveyor adjustments, and lifting mechanisms, where durability and accuracy are paramount.

Specification Summary & Compliance

This lead screw features a 1 1/4"-5 ACME thread size with Class 2G thread fit per standard inch system tolerances, ensuring compatibility with matched nuts. Manufactured from Grade 2 Carbon Steel meeting ASTM A108 specifications, it provides a tensile strength of 64,000 psi and Rockwell B61 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, supporting safe and sustainable industrial use.