What are the procedures for changing the lock cylinder of the security door?

Updated on Security door 2024-09-14
2 answers
  1. Anonymous users2024-01-24

    You can change your house as you like, and if you are renting, it is best to talk to the landlord.

  2. Anonymous users2024-01-23

    No, you can buy it online yourself and come back to exchange it.

Related questions
Excuse me, do I need any documents to change the lock cylinder of the anti-theft door?
2 answers2024-09-14

Pro, if it is to change the lock cylinder, there is no need for any documents, only the regular brand of goods and regular companies can be, because there is no problem of unlocking here. If the lock is opened, not only formal industrial and commercial procedures are required, but also a locksmith qualification certificate filed by the Public Security Bureau. So the pro must be distinguished.

Is the anti-theft door lock cylinder replaced by the anti-theft door lock cylinder universal?
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The size of the lock cylinder of the anti-theft door, if you have a strong hands-on ability, you can remove it and measure it, based on the distance between the middle screw hole and the two keyholes, of course, if you are troublesome, you can simply measure it, as shown in the figure below, you only need to measure L1 + L2. >>>More

How to replace the lock cylinder of the security door
12 answers2024-09-14

It's easy. Sequence of disassembling the lock cylinder:

1.Remove the inner and outer handle panels: Screw on the handle panel in the house, one on the top and one on the bottom. >>>More

Do I need to apply for a patent to replace the lock cylinder of the anti-theft door?
1 answers2024-09-14

Please describe your problem specifically, and I will explain it to you.

Gu Ye changed the lock cylinder of the anti-theft door to find the right one
1 answers2024-09-14

You can replace it yourself! It's very simple, remove the lock cylinder, buy a new one of the same model and install it.