S-95365A503 1/4"-12 x 3/4" Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Fast-Travel Efficiency: Achieves 0.333" linear movement per turn with a 4:1 speed ratio, significantly reducing cycle times in automated systems.
• Superior Durability: Crafted from cast iron with Brinell 217 hardness, offering excellent wear resistance and long service life under repetitive motion.
• Precision Thread Fit: Class 2C thread fit ensures smooth, low-friction operation and reliable backlash control for accurate positioning.
• Robust ACME Thread Design: 4-start ACME threads provide high load-carrying capacity and efficient power transmission in demanding applications.
• Environmental Compliance: Meets RoHS 3 and REACH standards, ensuring safety in regulated industries without compromising performance.
• Right-Hand Thread Convenience: Standard right-hand thread direction allows for easy integration with common drive systems and simplified assembly.
• Compact Round Nut Profile: The round nut type with 1.344" diameter and 3/4" length facilitates straightforward mounting in confined spaces.

Professional Applications & Engineering Value

This 4-start Acme nut is engineered to solve critical challenges in industrial automation and precision machinery, where rapid linear motion and reliability are paramount. The cast iron construction, combined with a Brinell 217 hardness, resists deformation under heavy loads, minimizing maintenance downtime. Its ACME thread type and Class 2C thread fit deliver smooth, efficient power transmission with reduced wear, ideal for CNC systems, packaging equipment, and material handling devices. The fast-travel design (0.333" per turn) accelerates operational speed while maintaining accuracy, addressing the need for high-speed positioning without sacrificing durability. This component ensures consistent performance in environments demanding both mechanical robustness and compliance with environmental safety standards.

Specification Summary & Compliance

This product adheres to Class 2C thread fit tolerances for precise engagement and smooth operation. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. The ACME thread type with a 1/4"-12 thread size and 4 thread starts is manufactured to standard industrial specifications, guaranteeing compatibility and reliability in fast-travel lead screw assemblies.