How much is it for a lock cylinder ? This is a problem that I often see on the Internet. As far as I know, changing a lock cylinder is basically around 30-50 yuan, not very expensive, but I suggest you buy one yourself, install it yourself, if you let the master install it, meet it. It’s okay to be kind, if you have a black heart, you can get 100 yuan to install.
Under what circumstances, should we change a lock cylinder? Some people simply do not unlock the core, they go to the master to change, personal feeling is pure waste of money. The following is the summary of the lock core I have proposed, I suggest to change the lock core, I hope to help everyone!
1. If you are a key (usually Class A), the anti-theft performance is poor, it is recommended to upgrade the lock cylinder.
2. The lock cylinder also has a certain service life. It is easy to open the lock when the service life is exceeded. For example, when the lock is unlocked, the card is compared.
3, your lock core has been added with cooking oil or non-professional lubricant (this is easy to absorb metal shavings, affecting the opening of the lock cylinder), the lock core is generally used graphite.
4. If your keyhole is blocked by foreign objects or mechanically smashed, it is recommended to replace it.
5. If your house is rented to someone else, it is recommended to replace the lock cylinder.
6. If your house has just been renovated, the decoration key will be used by the worker's master (the experienced locksmith can use the decoration key to match the owner's key)
7, the key is lost, or the key is inserted outside the door and forgot to pull out.
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