How to match without a key?

Before observing the shape and position of the lock teeth, the lock core of the lock must be removed first. There will be a sealing strip behind the lock tooth, mostly aluminum strip sealing strip. After you pry it open with a tool, you can see the spring and pour out all its teeth to match the key. At this time, you can find a key with similar shape and insert it. If it does not meet the height, it can be smoothed until the test is smooth.

When using the key normally, if there is dirt, wipe it off with a dry cloth, and do not scrub it with chemicals such as detergent. Otherwise, the protective film of the exposed part will be damaged, resulting in fading.

Don't wipe the lock body and handle with wet cloth, because some metal locks will rust, such as alloy locks, which will wear off the coating and lose the aesthetic effect. Because of this, the key will become inflexible when it is used for a long time.

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Maintenance of locks and keys:

During use, regularly (once every six months or once a year), when the key is not inserted smoothly, add some graphite powder (pencil powder) into the keyhole for lubrication, and do not add any liquid oil as a lubricant, so as to avoid grease sticking to the marble spring, which will cause the lock head to fail to rotate and open.

If it is difficult to close the brake, you can wipe a little pencil powder on the oblique tongue to solve it. Because the sealing strip installed between the door body and the door frame has elastic function, when the lock is locked with the handle or key, the door or sliding door can be pushed by hand at the same time to overcome the elastic force. Don't turn the handle or key hard to open the door, so as not to damage the handle or key.

It is best to hold the handle when closing the door, screw the locking bolt into the lock body, and then let go after closing the door. Don't slam the door hard, otherwise it will shorten the service life of the lock.