How to change the anti theft door lock, there are several levels of lock cylinders inside

Updated on Security door 2024-07-06
1 answers
  1. Anonymous users2024-01-24

    If you lock the handle, there is a screw parallel to the lock cylinder, and the lock cylinder comes out when the screw is twisted off. There are generally five kinds of lock cylinders, A B super B super C super C level and now there are imported D class lock cylinders, but there are very few.

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It can be exchanged.

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It's quite simple to change the lock cylinder of the anti-theft door, just a diagram.

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If it is C-type, you should use the key head in the regular key (a different one from other key handles) to turn the lock cylinder 360 degrees, and in normal operation, the decoration key can not be used