S-93410A908 3/8"-8 x 12" ASTM A193 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional durability and load capacity with ASTM Grade B7 alloy steel construction, ensuring reliable performance in demanding industrial environments.
• Precise linear motion control thanks to the 0.125" travel per turn, providing accurate and repeatable positioning for your machinery.
• Superior strength under tension with a tensile strength of 125,000 psi, reducing the risk of failure in high-stress applications.
• Enhanced wear resistance from Rockwell C35 hardness, extending the service life and reducing maintenance frequency.
• Reliable thread engagement and smooth operation due to the Class 2G thread fit, minimizing backlash and ensuring consistent performance.
• Full compatibility with standard systems featuring a right-hand, fully threaded Acme design for easy integration and versatile use.
• Safe and environmentally responsible manufacturing, compliant with RoHS 3 and REACH standards for global regulatory acceptance.

Professional Applications & Engineering Value

This 3/8-8 ACME lead screw is engineered from ASTM Grade B7 alloy steel to solve critical challenges in heavy-duty mechanical systems, such as CNC machinery, linear actuators, and industrial automation. Its fully threaded design and right-hand thread direction ensure efficient power transmission and precise linear motion, reducing slippage and improving operational accuracy. The Acme thread type offers high load-bearing capacity and durability, making it ideal for applications requiring repetitive movement under substantial stress. With a travel distance of 0.125" per turn, it delivers consistent performance in positioning tasks, while the robust material and Class 2G thread fit minimize wear and maintenance downtime, providing long-term reliability for B2B engineering projects.

Specification Summary & Compliance

This lead screw adheres to precise dimensional standards, including a Class 2G thread fit for optimal tolerance and a 3/8"-8 ACME thread size. It meets ASTM A193 specifications for material quality and is manufactured from ASTM Grade B7 alloy steel, ensuring high tensile strength and hardness. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms its environmental safety and suitability for international markets, supporting responsible sourcing and usage in industrial applications.