For car owners, the loss of the lock key of the security door should be dealt with in time, otherwise it will have a certain impact. You can use tin foil to unlock, and tap the lock core to unlock.

(1) tin foil to unlock:

This method seems to be very old and has a long history. Many thieves will also use this method to unlock and steal.

② Impact lock cylinder:

It only takes about 30 seconds. First, insert one end of the master key into the B-class lock core and knock the other end of the key with a hammer; In the process of knocking, try to twist the master key, knock a few times with a hammer, and the lock core will open.

Matters needing attention in purchasing door locks:

① The lock core of a door lock is divided into marble key, magnetic key and atomic lock core. Most of the materials are copper, and many are zinc alloy (poor quality). When buying a door lock, choose a lock with more keys and teeth, because the greater the difference, the lower the mutual opening rate of the locks.

(2) The choice of door lock style depends on personal appreciation level and hobbies. Select the thickness of the door frame to be considered, and pay attention to the lock in the same direction as the door opening.

Click to view: Is there any way to open the anti-theft lock if the key is lost?