Oklahoma Locksmith Practice Exam 2025 – Comprehensive All-in-One Guide to Exam Success!

High-security locks are designed to offer a higher level of protection against unauthorized access, picking, and drilling. Hardened steel is commonly used in high-security locks due to its strength and resistance to tampering. This material provides durability and makes it more difficult for intruders to break through the lock or the fixture it is attached to.

While aluminum may be lightweight and easy to work with, it does not possess the same level of strength and security features as hardened steel, making it less suitable for high-security applications. Plastic, though often used in combination with other materials, lacks the robustness required for high-security systems, while wood offers very little security on its own and is not an effective material for locks meant to resist attacks. Therefore, hardened steel stands out as the material of choice for those looking to ensure maximum security in their locking mechanisms.