S-90013A126 1/2"-13 Tamper Resistant Nuts

Key Features & Benefits at a Glance

• Enhanced tamper resistance with external hex drive that prevents unauthorized removal in high-security environments
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial conditions
• High torque reliability with 405 in-lbs breaking torque for demanding applications requiring secure fastening
• Wide compatibility with UNC coarse threads (1/2"-13) ensuring easy installation and removal with standard tools
• Precision thread fit with Class 2B tolerance for consistent performance and reduced risk of cross-threading
• Durable design featuring right-hand threading and inch system compliance for reliable long-term use
• Optimized dimensions (1" width, 3/4" height) providing robust coverage while maintaining installation efficiency

Professional Applications & Engineering Value

This tamper resistant nut delivers critical security in industrial settings where unauthorized access poses safety or operational risks. Engineered with 18-8 stainless steel, it resists corrosion in outdoor, chemical, or high-moisture environments, extending service life. The external hex drive and UNC coarse threads enable quick installation while maintaining anti-tamper properties, making it ideal for public infrastructure, machinery guards, and electrical enclosures. With a 405 in-lbs breaking torque, it withstands vibration and heavy loads, preventing loosening in transportation or manufacturing equipment. The Class 2B thread fit ensures smooth engagement, reducing installation time and potential damage.

Specification Summary & Compliance

This nut features 1/2"-13 UNC coarse threads with Class 2B thread fit for precise dimensional accuracy. Manufactured to inch system standards with right-hand threading, it complies with industry specifications for security fasteners. The 18-8 stainless steel material meets corrosion resistance requirements, while the design adheres to common industrial practices for tamper-resistant components. No specific compliance certifications (e.g., RoHS, REACH) are indicated in provided data.