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Anonymous users2024-01-23The main difference between the security door and the ordinary door is that the security door has a lock pin on the top, right and bottom.
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Anonymous users2024-01-22It is very difficult to violently break down the security door.
As the saying goes, a key opens a lock.
The keys are of course different. Can you still call the key if it's the same? >>>More
What is the reason why the texture of the customized security door is different from the sample? Then ask the merchant.
Installation method: 1. Expansion bolt installation method 1, first measure whether the size of the hole is consistent with the size of the door frame, if it is less than the size of the door frame, the excess gray skin should be removed. 2, the position of the anti-theft door opening is upright, so that the frame decorative edge and the wall are tightly attached, according to the side of the frame 6 holes after drawing marks, the door frame is moved out of the hole, and then drilled with a drill bit, the door is pushed into the hole.
If it is not installed, pad the door frame, and if it is already installed, see which side of the deadtongue is stuck, and the file is off.
If it's not your own key, it's someone else's old lock refurbished. Because inferior locks can't be different from the brand of the key.