S-1343K213 1/4"-12 x 3/4" Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced operational speed with a 4:1 speed ratio and 0.333" travel per turn, reducing cycle times in fast-travel applications
• Superior wear resistance and longevity due to 932 Bearing Bronze construction with Brinell 65 hardness, minimizing maintenance needs
• High load-bearing capability supporting up to 320 lbs dynamic thrust load for reliable performance in demanding systems
• Precise motion control ensured by Class 2C thread fit, providing smooth engagement and reduced backlash
• Optimized for reverse or counter-rotation mechanisms with left-hand ACME threading, ideal for specialized industrial setups
• Increased efficiency in multi-start designs with 4-thread starts, allowing quicker linear movement per revolution
• Durable round nut design offering easy integration and consistent performance in precision motion assemblies

Professional Applications & Engineering Value

This 4-start ACME bronze nut is engineered to address common challenges in precision motion systems, such as the need for rapid linear travel and reduced wear. Crafted from 932 Bearing Bronze, it provides excellent anti-galling properties and corrosion resistance, extending service life in high-cycle environments like CNC machinery, automated actuators, and packaging equipment. The left-hand ACME thread and multi-start configuration enable quick displacement—0.333" per turn—making it ideal for applications requiring fast retraction or reverse motion without sacrificing accuracy. Its Class 2C thread fit ensures minimal play, enhancing positional stability and reducing vibration-induced errors, while the round nut type simplifies installation in compact spaces. By combining high dynamic thrust capacity with robust material properties, this component delivers reliable performance in fast-travel and high-load scenarios, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This nut adheres to ACME thread standards with a Class 2C thread fit for consistent dimensional accuracy and ease of assembly. It features a 1/4"-12 thread size, 4 thread starts, and left-hand direction, manufactured to precise specifications for reliable operation. The component meets industry requirements for material quality and performance, with compliance to relevant ASME and RoHS standards, ensuring safety and environmental responsibility in industrial use.