The Tri-bolt lock is a specialized surface-mounted locking device designed for enhanced security. It features a latch bolt for smooth door operation and a deadbolt for reinforced protection. The lock body is powder-coated, offering high resistance to corrosion and long-lasting durability. Engineered for versatility, the Tri-bolt is suitable for both internal and external swing doors, making it ideal for main entrances, wooden doors, shops, offices, and banks where maximum security is essential.