S-90078A110 1/4"-20 Tamper Resistant Nuts

Key Features & Benefits at a Glance

• Enhanced Security: Tamper-resistant design with drilled spanner drive prevents unauthorized removal, ideal for high-security installations.
• Durable Construction: Made from premium zinc alloy for excellent corrosion resistance and long-term reliability in harsh industrial environments.
• Reliable Thread Engagement: Class 2B coarse UNC thread ensures smooth assembly and secure fastening, reducing the risk of cross-threading.
• Standardized Compatibility: 1/4"-20 UNC right-hand thread conforms to industry standards, providing interchangeability with common industrial components.
• Optimized Dimensions: 1" diameter and 1/4" height offer a balanced profile for space-constrained applications without compromising strength.
• Environmental Compliance: Meets RoHS 3 and REACH regulations, ensuring safe use in regulated industries and global market acceptance.
• Versatile Drive System: Drilled spanner drive allows for specialized tool access, maintaining security while enabling efficient installation and maintenance.

Professional Applications & Engineering Value

This tamper resistant nut addresses critical security challenges in public infrastructure, machinery guarding, and access control systems. The zinc alloy construction provides superior resistance to environmental factors, preventing rust and degradation in outdoor or corrosive settings. Its 1/4"-20 UNC coarse thread with Class 2B fit delivers consistent clamping force and vibration resistance, crucial for maintaining integrity in dynamic industrial applications. The drilled spanner drive design ensures that only authorized personnel with specific tools can perform adjustments, making it indispensable for traffic control equipment, electrical enclosures, and industrial machinery where tampering poses safety or operational risks.

Specification Summary & Compliance

This nut features precision 1/4"-20 UNC coarse threads with Class 2B tolerance for reliable fit and performance. Manufactured to inch system standards with a diameter of 1" and height of 1/4". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international safety and environmental standards for industrial hardware components.