S-90013A175 1/4"-20 Tamper Resistant Nuts

Key Features & Benefits at a Glance

• Superior tamper resistance prevents unauthorized removal in high-security environments
• Lightweight aluminum construction reduces overall assembly weight while maintaining durability
• 70 in-lbs breaking torque rating ensures reliable performance under vibration and stress
• Class 2B thread fit provides consistent engagement and smooth installation
• External hex drive design allows for standard tool compatibility and secure fastening
• Coarse UNC threading enables quick assembly and reduced cross-threading risk
• RoHS 3 and REACH compliance meets international environmental and safety standards

Professional Applications & Engineering Value

This 1/4"-20 UNC aluminum tamper resistant nut addresses critical security challenges in industrial and public settings. The external hex drive combined with specialized tamper-resistant features creates a reliable fastening solution that deters vandalism and unauthorized access. Made from aluminum, it offers excellent corrosion resistance while reducing weight in assemblies where mass optimization is crucial. The coarse thread design ensures quick installation in time-sensitive maintenance operations, while the 70 in-lbs breaking torque provides assurance against loosening in high-vibration applications such as machinery, public infrastructure, and transportation equipment. These engineered characteristics make it ideal for security-conscious applications requiring both performance and compliance.

Specification Summary & Compliance

This tamper resistant nut features 1/4"-20 UNC coarse threading with Class 2B thread fit for consistent dimensional accuracy. The external hex drive measures 9/16" across flats with a total height of 31/64". Manufactured to meet industry standards, the product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, ensuring adherence to international environmental and safety regulations for industrial components.