S-1343K211 3/8"-8 x 3/4" Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• 4:1 speed ratio enables rapid linear motion with minimal input rotation, significantly improving operational efficiency in fast-travel systems
• 932 Bearing Bronze construction provides excellent wear resistance and natural lubricity, extending service life in high-cycle applications
• 700 lbs dynamic thrust load capacity handles substantial axial forces while maintaining precision in demanding industrial environments
• Class 2C thread fit ensures smooth, low-friction operation with proper clearance for reliable performance in precision mechanisms
• 0.5" travel per revolution delivers consistent, predictable linear displacement for accurate positioning control
• Brinell 65 hardness maintains dimensional stability under load while resisting deformation in continuous operation
• Four thread starts with left-hand configuration provides specialized motion control for applications requiring reverse-direction operation

Professional Applications & Engineering Value

This high-performance 932 Bearing Bronze Acme nut addresses critical engineering challenges in precision motion systems where speed, reliability, and load capacity are paramount. The left-hand Acme thread configuration with 4:1 speed ratio enables rapid linear advancement in specialized applications requiring reverse-direction operation, while the bronze material's natural lubricity reduces friction and wear without additional lubrication in many environments. Engineered for fast-travel lead screw systems, this component delivers 0.5" travel per turn with consistent precision, making it ideal for automated equipment, positioning tables, and material handling systems where rapid, repeatable motion is essential. The combination of Class 2C thread fit and four thread starts ensures smooth operation under the 700 lbs dynamic thrust load capacity, providing dependable performance in industrial automation and precision machinery applications.

Specification Summary & Compliance

This precision Acme thread nut features 3/8"-8 left-hand threads with Class 2C thread fit tolerance according to inch system standards. The component maintains dimensional accuracy with Brinell 65 hardness and is manufactured from 932 Bearing Bronze for optimal performance in precision motion applications. The round nut design with four thread starts provides 0.5" travel per turn and is engineered to meet industrial standards for fast-travel lead screw systems with verified 700 lbs dynamic thrust load capacity.