S-90013A123 1/4"-20 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 with specialized design to prevent unauthorized removal in high-security environments
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh or outdoor applications
- High-torque performance with 95 in-lbs breaking torque for reliable, vibration-resistant fastening
- Easy installation and removal using standard tools with the external hex drive, while maintaining anti-tamper integrity
- Consistent thread engagement with UNC coarse threading and Class 2B fit, ensuring quick assembly and reduced cross-threading risks
- Durable and long-lasting material properties that resist wear, maintaining security features over extended use
- Broad industrial compatibility with common 1/4"-20 UNC thread size, suitable for various machinery and structural applications
Professional Applications & Engineering Value
This tamper resistant nut is engineered to address critical security and durability challenges in industrial settings. Constructed from 18-8 stainless steel, it provides excellent resistance to rust and corrosion, making it suitable for outdoor equipment, public infrastructure, and machinery exposed to moisture or chemicals. The external hex drive allows for straightforward installation with common tools, while the tamper-resistant feature deters vandalism and unauthorized access. The UNC coarse threads enable faster assembly and better performance in high-vibration environments, reducing maintenance needs. Commonly used in security fasteners for electrical enclosures, transportation systems, and industrial machinery, this nut ensures long-term reliability and compliance with safety standards, offering peace of mind in demanding applications.
Specification Summary & Compliance
This product adheres to UNC thread standards with a Class 2B thread fit for consistent precision and compatibility. It meets general industry specifications for tamper resistant nuts and is manufactured from 18-8 stainless steel, which complies with RoHS and REACH environmental directives. The dimensions include a 1/4"-20 thread size, 9/16" width, and 15/32" height, ensuring reliable performance in various industrial security applications.