S-6698K62 3/4"-6 Clamping Acme Lead Screw Collars

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black Oxide finish on 12L14 carbon steel, extending service life in demanding industrial environments
• Exceptional clamping force retention due to Brinell 163 hardness material, preventing slippage under heavy loads
• Precision left-hand Acme thread engagement ensures reliable performance in specialized lead screw applications requiring reverse motion
• Robust one-piece construction eliminates weak points and maintains structural integrity under continuous operation
• Secure clamp-on installation with included 5/16"-24 socket head screw for quick mounting without shaft modifications
• Comprehensive regulatory compliance with RoHS 3 and REACH standards, ensuring global market acceptance and environmental safety
• Optimized dimensional stability with 2" OD and 5/8" width providing balanced strength-to-weight ratio for industrial systems

Professional Applications & Engineering Value

This clamping Acme lead screw collar solves critical engineering challenges in motion control systems where left-hand Acme threads are required for reverse-direction applications. The Black Oxide 12L14 carbon steel construction provides essential corrosion protection while maintaining the Brinell 163 hardness needed to withstand repetitive clamping forces without deformation. In CNC machinery, industrial automation, and precision positioning systems, the one-piece design prevents misalignment issues common in multi-component collars, while the clamp-on mounting eliminates the need for shaft machining or special tools. The integrated socket head screw ensures uniform pressure distribution across the Acme lead screw interface, maintaining precise backlash control and extending the service life of both the collar and screw assembly in heavy-cycle manufacturing environments.

Specification Summary & Compliance

This precision collar features 3/4"-6 left-hand Acme threads with standard Acme thread form specifications, manufactured from 12L14 carbon steel with Black Oxide surface treatment. The component demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental standards. Dimensional specifications include 2" outer diameter, 5/8" width, and includes one 1" long 5/16"-24 socket head clamping screw for secure installation. The Brinell 163 hardness rating ensures consistent performance under industrial clamping pressures while maintaining dimensional stability across temperature variations common in manufacturing environments.