Tri-Groove Nuts are tamper-resistant security fasteners designed to provide maximum protection against unauthorized removal or tampering. Made from high-quality mild steel, stainless steel, or aluminum, these nuts feature a unique three-groove, conical design that requires a special tri-groove socket for installation and removal — making them extremely secure and theft-resistant.

The Tri-Groove Security Nuts are ideal for use in public installations, street lighting, security systems, metal enclosures, and outdoor fixtures where safety and reliability are critical. Their smooth, rounded surface prevents gripping with standard tools, ensuring lasting protection and stability.

Features:

• Material: Mild Steel / Stainless Steel / Aluminum

• Finish: Zinc Plated / Stainless / Galvanized

• Tamper-resistant tri-groove head design

• Requires special tool for removal

• High torque and vibration resistance

• Corrosion and weather-resistant finish

Applications:
Used in street furniture, lighting poles, signage, security equipment, metal barriers, and industrial enclosures, where tamper-proof fastening is required.