S-93420A881 1/4"-16 x 6" ASTM A193 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precision motion control with consistent 0.063" travel per turn for accurate positioning in automated systems
• Exceptional durability from ASTM Grade B7 alloy steel construction, resisting wear in high-cycle industrial applications
• Reliable thread engagement with Class 2G thread fit ensuring smooth operation and reduced backlash
• High load capacity with 125,000 psi tensile strength for demanding mechanical applications
• Long service life supported by Rockwell C35 hardness, maintaining performance under continuous operation
• Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
• Versatile installation with fully threaded right-hand design accommodating various mounting configurations

Professional Applications & Engineering Value

This 1/4-16 ACME lead screw delivers critical performance in precision motion control systems where reliability and accuracy are paramount. The ASTM A193 Grade B7 alloy steel construction provides exceptional strength-to-weight ratio, while the ACME thread form offers superior power transmission efficiency compared to standard threads. Engineers specify this component for industrial automation, CNC positioning systems, and linear actuation applications where the Class 2G thread fit ensures minimal play and consistent performance. The fully threaded design allows for flexible mounting solutions, and the right-hand thread direction provides standard operation compatible with most industrial equipment. With its combination of high tensile strength and precise 0.063" travel per turn, this lead screw solves common engineering challenges related to positioning accuracy, load capacity, and long-term reliability in demanding environments.

Specification Summary & Compliance

This precision ACME lead screw features 1/4-16 thread size with Class 2G thread fit tolerances, ensuring proper engagement with matching nuts. Manufactured to ASTM A193 specifications using ASTM Grade B7 alloy steel, the component delivers 125,000 psi tensile strength and Rockwell C35 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components. The 6" length and fully threaded design provide consistent performance across the entire screw length, making it suitable for various motion control applications requiring precise linear movement.