S-95072A771 3/8"-12 x 5/8" Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced operational speed with 0.167" travel per turn and 2:1 speed ratio for rapid linear motion in automation systems
• Superior wear resistance from 673 Bronze construction with Brinell 70 hardness, ensuring extended service life in high-friction applications
• Optimized load distribution through dual thread starts, reducing thread wear and improving mechanical efficiency
• Precise motion control with Class 2C thread fit, maintaining consistent performance in precision positioning systems
• Versatile integration featuring both 3/8"-12 Acme internal threads and 9/16"-18 UNF external threads for flexible mounting options
• Environmental compliance with RoHS 3 standards, making it suitable for regulated industries and international markets
• Right-hand thread design for standard industrial applications, ensuring compatibility with existing drive systems

Professional Applications & Engineering Value

This 673 Bronze Acme lead screw nut delivers exceptional performance in fast-travel applications where speed and durability are critical. The combination of Acme threads and bronze material provides excellent anti-galling properties, preventing seizing in high-load conditions common in CNC machinery, automated positioning systems, and material handling equipment. The dual thread starts and 2:1 speed ratio enable rapid linear advancement while maintaining precise control, making it ideal for applications requiring quick positioning without sacrificing accuracy. The externally threaded 9/16"-18 UNF design allows for straightforward integration into existing assemblies, while the Class 2C thread fit ensures reliable performance in industrial environments where vibration and repeated cycling are concerns.

Specification Summary & Compliance

This precision component features 3/8"-12 Acme internal threads with Class 2C thread fit and 9/16"-18 UNF external threads manufactured to inch system standards. The nut delivers 0.167" travel per turn with 2 thread starts and right-hand thread direction. Constructed from 673 Bronze with Brinell 70 hardness, it complies with RoHS 3 (2015/863/EU) standards under exemption 6(c) for lead in copper alloys, ensuring environmental regulatory compliance for industrial applications.