S-98935A411 3/8"-12 x 3 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise linear motion control with 0.083" travel per turn for accurate positioning in industrial applications
• Exceptional durability from Grade 2 carbon steel construction with 53,000 psi tensile strength and Rockwell B61 hardness
• Reliable thread engagement through Class 2G thread fit ensuring consistent performance under load
• Left-hand thread configuration enabling specialized motion control solutions and reverse-direction applications
• Full 3-foot threaded length providing maximum engagement flexibility for various mounting scenarios
• Single thread start design offering straightforward installation and predictable motion characteristics
• Compliance with environmental regulations including RoHS 3 and REACH for global market acceptance

Professional Applications & Engineering Value

This 3/8"-12 left hand Acme lead screw delivers exceptional performance in demanding industrial applications where precision motion control is critical. The Grade 2 carbon steel construction provides the necessary strength and wear resistance for repetitive operations in machinery, automation systems, and positioning equipment. The Acme thread type offers superior load distribution compared to standard V-threads, reducing wear and extending service life in high-duty cycles. The left-hand thread direction enables unique mechanical configurations where conventional right-hand threads are impractical, making it ideal for specialized equipment requiring reverse motion or dual-screw synchronization. With its fully threaded design along the entire 3-foot length, this lead screw accommodates various nut positions and mounting arrangements, providing design flexibility for engineers developing precision motion control systems.

Specification Summary & Compliance

This precision Acme lead screw features 3/8"-12 thread size with Class 2G thread fit tolerance for reliable performance. Manufactured to ASTM A108 specifications, it ensures consistent quality and dimensional accuracy. The component maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental standards for industrial components. With single thread start configuration and standardized Acme threading, this lead screw provides predictable performance across various motion control applications while maintaining strict adherence to industry manufacturing standards.