S-90013A124 5/16"-18 Tamper Resistant Nuts
Tamper Resistant Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
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Key Features & Benefits at a Glance
- Enhanced tamper resistance prevents unauthorized removal in public or high-security environments
- Superior corrosion resistance from 18-8 stainless steel construction ensures long-term reliability in harsh conditions
- High-strength performance with 130 in-lbs breaking torque withstands demanding industrial applications
- Secure coarse threading with UNC 5/16"-18 configuration provides excellent grip and vibration resistance
- Precision Class 2B thread fit ensures smooth installation and consistent clamping force
- External hex drive compatibility allows for standard tool usage while maintaining security features
- Right-hand thread design offers familiar installation for maintenance personnel
Professional Applications & Engineering Value
This 5/16"-18 UNC tamper resistant nut delivers critical security where vandalism or unauthorized access is a concern. Engineered with 18-8 stainless steel, it resists corrosion in outdoor, marine, and industrial environments while maintaining structural integrity. The external hex drive design balances security with practical installation using standard tools. With its coarse thread configuration and Class 2B thread fit, this security fastener provides reliable performance in vibration-prone applications such as public infrastructure, transportation systems, electrical enclosures, and industrial machinery. The 130 in-lbs breaking torque rating ensures dependable performance under mechanical stress, making it ideal for permanent installations requiring long-term protection.
Specification Summary & Compliance
This tamper resistant nut features UNC 5/16"-18 coarse threads with Class 2B thread fit for precise engagement and consistent performance. Manufactured from 18-8 stainless steel with right-hand thread direction and external hex drive. Dimensions include 5/8" width and 1/2" height, with 7/32" height after installation. Meets industry standards for security fasteners and is compliant with RoHS and REACH environmental regulations.
