S-91884A224 1/4"-20 Cap Nuts

Key Features & Benefits at a Glance

• Superior torque application with external hex drive design for secure tightening in industrial settings
• Lightweight yet durable fastening using 2011 aluminum alloy, ideal for weight-sensitive applications
• Reliable thread engagement with Class 2B fit UNC coarse threads, ensuring vibration resistance and long-term stability
• Enhanced corrosion resistance from 2011 aluminum material, suitable for various environmental conditions
• RoHS 3 compliance with exemption for lead in aluminum alloys, meeting environmental regulations for industrial use
• Standard cap nut profile with 7/16" width and 3/8" height for easy installation and compatibility with common tools
• Right-hand thread direction for straightforward assembly in standard machinery and equipment

Professional Applications & Engineering Value

This 1/4"-20 UNC thread cap nut crafted from 2011 aluminum addresses critical industrial needs by combining lightweight properties with high strength, reducing overall system weight without compromising integrity. The external hex drive allows for efficient torque transmission, minimizing slippage during high-stress installations in machinery, automotive, and aerospace assemblies. Its coarse thread design and Class 2B thread fit enhance durability against loosening under vibration, while the standard cap nut profile ensures seamless integration into existing fastening systems. Ideal for applications demanding corrosion-resistant and RoHS compliant components, this nut supports sustainable manufacturing practices while delivering consistent performance in harsh environments.

Specification Summary & Compliance

This cap nut features a 1/4"-20 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy, adhering to standard inch measurement systems. It complies with RoHS 3 (2015/863/EU) under exemption 6(b)-II for lead in aluminum alloys, ensuring regulatory adherence. The external hex drive and right-hand thread direction follow common industrial specifications, providing reliable performance in diverse engineering applications.