Security screws are the type of screws requires special tools to remove it. A regular screwdriver will not be able to remove a security screw. This type of fastener is typically used in public rest rooms, classrooms etc to avoid threats.
This type of screws is designed in such a way that it requires sophisticated tools for installation and removal. Thus, it provides high-level protection against robbery and vandalism. You can use it in different fields. For instance – you can use it on your doors or windows to gain more home or office security.
- Helping Hand from old Black and Decker Snake Light (instructables.com)