What to do if the expansion screw eye of the anti theft door on the brick wall is loose and the wall

Updated on Security door 2024-07-11
1 answers
  1. Anonymous users2024-01-24

    There are special concrete blocks reserved on the door frame of the anti-theft door, and the hole should be punched at the position of the concrete block when the anti-theft door is installed, and the hole in other positions will definitely not work. Reinstall, pay attention to the hole position, or find professional personnel to construct.

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