S-90013A112 1/4"-20 Tamper Resistant Nuts

Key Features & Benefits at a Glance

• Enhanced tamper resistance with external hex drive that requires specialized tools for removal, preventing unauthorized access
• Reliable 60 in-lbs breaking torque provides superior resistance to forced removal attempts in high-security applications
• Zinc alloy construction offers excellent corrosion resistance and durability for long-term outdoor or industrial use
• Class 2B thread fit ensures smooth installation and reliable engagement with mating components
• 1/4"-20 UNC coarse threading delivers faster installation and reduced cross-threading risks in demanding environments
• Comprehensive compliance with RoHS 3 and REACH regulations for safe use across industrial sectors
• Right-hand thread design provides standard installation familiarity while maintaining security features

Professional Applications & Engineering Value

This tamper resistant nut addresses critical security challenges in public infrastructure, industrial equipment, and commercial installations where vandalism or unauthorized access is a concern. The zinc alloy material provides inherent corrosion resistance while the external hex drive requires specialized removal tools, making it ideal for security-sensitive applications such as public furniture, electrical enclosures, and transportation systems. The 1/4"-20 UNC coarse thread configuration ensures reliable performance in high-vibration environments while the 60 in-lbs breaking torque rating guarantees the fastener will withstand deliberate tampering attempts. These industrial tamper resistant fasteners are engineered to maintain system integrity while meeting strict regulatory requirements for public safety installations.

Specification Summary & Compliance

This security nut features 1/4"-20 UNC coarse threads with Class 2B thread fit for consistent engagement and reliable performance. The manufacturing complies with standard inch system specifications and maintains dimensional accuracy with 9/16" width and 15/32" height (7/32" after installation). The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental and safety standards for industrial components. The external hex drive style and right-hand thread direction follow industry-standard configurations while providing enhanced security characteristics.