S-90013A127 5/8"-11 Tamper Resistant Nuts

Key Features & Benefits at a Glance

• Superior tamper resistance with specialized design that prevents unauthorized removal in public or high-security areas
• Exceptional corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
• High-strength performance with 510 in-lbs breaking torque rating to withstand deliberate tampering attempts
• Secure external hex drive provides standard tool engagement while maintaining anti-tamper properties
• Precision thread compatibility with Class 2B fit and 5/8"-11 UNC coarse threads for reliable mating with standard bolts
• Durable inch system sizing ensures compatibility with North American industrial equipment and standards
• Vandal-resistant construction maintains integrity in high-traffic public installations and security applications

Professional Applications & Engineering Value

This 5/8"-11 UNC tamper resistant nut delivers critical security where standard fasteners fail. Engineered with 18-8 stainless steel, it provides exceptional corrosion resistance for outdoor installations, industrial equipment, and marine environments. The external hex drive allows for standard installation while the tamper-resistant design prevents removal with conventional tools. With coarse thread configuration and Class 2B thread fit, it ensures reliable engagement and vibration resistance in heavy machinery, public infrastructure, transportation systems, and security enclosures. The combination of 510 in-lbs breaking torque and stainless steel construction addresses the dual challenges of environmental degradation and deliberate tampering, making it ideal for permanent installations requiring both durability and security.

Specification Summary & Compliance

This tamper resistant nut features precision 5/8"-11 UNC coarse threads with Class 2B thread fit per ASME/ANSI standards, ensuring proper engagement and reliable performance. Manufactured from 18-8 stainless steel for corrosion resistance and compliance with industrial requirements. The inch system measurement and external hex drive conform to North American industrial specifications. Meets relevant industry standards for security fasteners and is suitable for applications requiring tamper-resistant hardware in commercial, industrial, and public settings.