ANSWERS: 1
  • According to the Natural Handy Man website, a security screw is a special screw designed in such a way that it can be easily screwed into a wall or product but extremely difficult to unscrew without a specialized tool. This makes theft and vandalism more difficult as vandals are unable to use common screwdrivers to unscrew fixtures.

    Source:

    Natural Handyman: Security Screws

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