S-1343K238 3/8"-12 x 3/4" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance from 932 Bearing Bronze construction with Brinell 65 hardness for extended service life in demanding applications
• High load capacity supporting 700 lbs dynamic thrust loads for reliable performance in heavy-duty linear motion systems
• Precision thread engagement with Class 2C fit ensuring smooth operation and reduced backlash in critical assemblies
• Left-hand thread design enabling reverse motion applications and specialized mechanical configurations
• Consistent linear travel of 0.083" per revolution for predictable positioning accuracy
• Optimized ACME thread profile providing efficient power transmission with reduced friction compared to standard threads
• Round nut configuration offering versatile mounting options and compatibility with standard ACME lead screw systems

Professional Applications & Engineering Value

This precision ACME left-hand thread nut delivers exceptional performance in industrial linear motion systems where reliability and durability are paramount. The 932 Bearing Bronze construction combined with Brinell 65 hardness provides outstanding resistance to wear and galling, significantly extending component life in high-cycle applications. The Class 2C thread fit ensures precise engagement with ACME lead screws while maintaining smooth operation under substantial dynamic thrust loads up to 700 lbs. Engineered for demanding environments including CNC machinery, industrial automation, and precision positioning systems, this bronze lead screw nut solves critical challenges of component wear, positioning accuracy, and maintenance frequency. The left-hand thread configuration enables specialized mechanical designs requiring reverse motion capabilities, making it ideal for applications where standard right-hand threads cannot meet specific operational requirements.

Specification Summary & Compliance

This 3/8"-12 ACME left-hand thread nut features inch system measurements with Class 2C thread fit tolerance per ASME/ANSI standards. The component maintains precise dimensional accuracy with 0.083" travel distance per turn and is manufactured from 932 Bearing Bronze material meeting industry specifications for bronze alloys. The nut complies with standard industrial manufacturing practices for precision ACME nuts and is suitable for integration into systems requiring reliable linear motion components with verified 700 lbs dynamic thrust load capacity.