S-91855A032 5/16"-24 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
• Precise thread engagement with Class 2B fit for consistent, vibration-resistant fastening performance
• Enhanced torque application through external hex drive design for secure installation with standard tools
• Optimal sealing capability with fine UNF thread profile creating superior leak-resistant connections
• Full regulatory compliance meeting RoHS 3 and REACH standards for safe industrial usage
• Dimensional accuracy with standard cap nut profile ensuring compatibility across applications
• Right-hand threading for intuitive installation following conventional fastening practices

Professional Applications & Engineering Value

This 5/16"-24 UNF fine thread cap nut delivers exceptional engineering value in demanding industrial settings where corrosion resistance and precise thread engagement are critical. The 18-8 stainless steel composition provides excellent protection against rust and chemical degradation, making it ideal for marine equipment, food processing machinery, and outdoor applications. The external hex drive design allows for high-torque installation without compromising the nut's structural integrity, while the Class 2B thread fit ensures consistent performance in vibration-prone environments. The fine thread configuration offers superior clamping force distribution and enhanced sealing capabilities for pressurized systems, making these cap nuts particularly valuable in hydraulic assemblies, precision instruments, and automotive applications where reliability cannot be compromised.

Specification Summary & Compliance

This precision fastener features 5/16"-24 UNF fine threads with Class 2B thread fit per UNF standards, ensuring dimensional accuracy and proper mating with corresponding male threads. The manufacturing adheres to strict quality controls with a standard cap nut profile measuring 1/2" width and 17/32" height. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for industrial applications requiring environmental and safety standards adherence. The right-hand thread direction and external hex drive configuration follow industry-standard specifications for reliable performance across various assembly requirements.