S-90013A125 3/8"-16 Tamper Resistant Nuts

Key Features & Benefits at a Glance

• Superior tamper resistance with 245 in-lbs breaking torque, preventing unauthorized removal in high-security environments
• Excellent corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh conditions
• Secure installation and removal with external hex drive design, allowing controlled access with standard tools
• Reliable thread engagement with Class 2B thread fit, providing consistent performance and vibration resistance
• Quick installation with coarse UNC threading, reducing assembly time in industrial applications
• Dimensional stability with precise 3/8"-16 thread size, ensuring compatibility with standard components
• Right-hand thread direction for intuitive installation following conventional industrial practices

Professional Applications & Engineering Value

This tamper resistant nut addresses critical security challenges in industrial and public settings where unauthorized access poses significant risks. The 18-8 stainless steel construction provides exceptional corrosion resistance, making it ideal for outdoor applications, marine environments, and chemical processing facilities where exposure to moisture and corrosive elements would compromise ordinary fasteners. The external hex drive allows authorized personnel to install and maintain equipment using standard tools while the specialized design deters tampering. With its UNC coarse threading and Class 2B thread fit, this security nut ensures reliable performance in high-vibration applications such as machinery, electrical enclosures, and public infrastructure where maintaining integrity under dynamic loads is essential. The combination of 3/8"-16 thread size and robust construction makes it particularly valuable for securing valuable assets, control panels, and safety-critical components across multiple industries.

Specification Summary & Compliance

This tamper resistant nut features precise 3/8"-16 UNC coarse threading with Class 2B thread fit for optimal engagement and vibration resistance. Manufactured to inch system standards with right-hand thread direction, the component maintains dimensional accuracy with a width of 3/4" and height of 37/64". The fastener meets industry standards for security hardware and is manufactured using 18-8 stainless steel that complies with RoHS and REACH environmental directives, ensuring safe use across various industrial applications.