Screw locks are mechanisms or devices used to secure objects using threaded components. They prevent unintentional loosening or disassembly and ensure stable connections. Types of screw locks include threaded fasteners like nuts and bolts, lock nuts, threaded inserts, threadlocker adhesives, set screws, safety wire, cam locks, threaded collars, and heli-coil inserts. Screw locks are crucial for stability and safety in various applications, chosen based on material, forces, and security requirements. They play a vital role in maintaining the integrity of assemblies and systems.