S-98935A682 1 1/4"-4 x 12 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise 0.25" travel per turn ensures consistent linear motion control for automated systems and machinery.
• Grade 2 carbon steel construction provides excellent tensile strength (64,000 psi) and durability for heavy-duty industrial applications.
• Class 2G thread fit offers optimal clearance for smooth engagement with nuts, reducing binding and wear.
• Fully threaded, right-hand Acme design delivers reliable power transmission and positioning accuracy in motion systems.
• Rockwell B61 hardness enhances wear resistance, extending service life under repetitive loads.
• Compliance with ASTM A108 standards guarantees material consistency and performance reliability.
• RoHS 3 and REACH compliant ensures environmental safety and regulatory adherence for global industrial use.

Professional Applications & Engineering Value

This 1 1/4"-4 ACME lead screw is engineered to address critical needs in precision motion control and linear actuation systems. Its Grade 2 carbon steel composition, combined with a fully threaded Acme profile and 0.25" travel per turn, provides stable, repeatable movement essential for CNC machinery, conveyor systems, and lifting equipment. The right-hand thread direction and Class 2G fit minimize backlash and friction, reducing maintenance downtime in high-cycle applications. Ideal for industrial automation, packaging, and material handling, it ensures long-term reliability where accurate positioning and load-bearing capacity are paramount.

Specification Summary & Compliance

This lead screw adheres to ASTM A108 specifications, with a Class 2G thread fit for precise Acme threading. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances. The 1 1/4"-4 thread size and fully threaded, right-hand design conform to standard dimensional and performance criteria for industrial use.