S-98935A706 3/8"-8 x 12" ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise Motion Control: Delivers consistent 0.125" travel per turn for accurate positioning in automated systems.
• High Tensile Strength: Grade 2 carbon steel construction provides 64,000 psi tensile strength for reliable load-bearing in demanding applications.
• Superior Thread Durability: Class 2G thread fit ensures smooth engagement and extended service life with reduced wear.
• Robust Material Hardness: Rockwell B61 hardness rating resists deformation under heavy use, maintaining thread integrity.
• Full Thread Engagement: Fully threaded 12" length offers maximum flexibility for nut positioning across the entire screw.
• Standardized Performance: Manufactured to ASTM A108 specifications for consistent quality and dimensional accuracy.
• Environmental Compliance: Meets RoHS 3 and REACH standards for safe use in regulated industries worldwide.

Professional Applications & Engineering Value

This 3/8-8 ACME lead screw solves critical engineering challenges in precision motion systems where reliability and accuracy are paramount. The Grade 2 carbon steel construction combined with ACME thread form provides optimal strength-to-weight ratio for industrial automation equipment, CNC positioning tables, and linear actuation systems. The 0.125" travel per turn delivers predictable movement for repeatable operations, while the Class 2G thread fit minimizes backlash in power transmission applications. Engineered for demanding industrial environments, this fully threaded 12" lead screw maintains performance under continuous operation, making it ideal for manufacturing equipment, material handling systems, and precision instrumentation where consistent motion control is essential.

Specification Summary & Compliance

This ACME lead screw features precise 3/8-8 thread size with Class 2G thread fit tolerance for optimal performance in power transmission applications. Manufactured according to ASTM A108 standards, the component ensures dimensional accuracy and mechanical properties consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use across global markets. With right-hand thread direction and single thread start configuration, this lead screw delivers reliable performance in standardized motion control systems.