The nut of the washing machine won't come off. What happened?

There are several reasons why the washing machine nut can't be unscrewed:

1. Nut corrosion: If it is an old machine or a machine that has not been used for a long time, it is easy to cause nut corrosion, which will make it very difficult to unscrew the nut. Try spraying some locking agent or lubricating oil on the nut and then try to unscrew it later.

2. Foreign matter: If there is foreign matter near the washing machine nut, such as dust and sand, the nut will not be unscrewed. Before trying to loosen the nut, you can use a vacuum cleaner or towel to remove foreign objects around the nut.

3. Incorrect use: Sometimes when we screw the nut too tightly or too small, the nut will be loosened. You can try to twist it with appropriate force first. If you still can't unscrew it, you can try to use some tools to assist.

4. Tighten the thread: If the washer nut is connected with an excessively tight thread, it will not be unscrewed. It is recommended to use special tools or ask professionals for help in disassembly.

In a word, there are many reasons why the washing machine nut can't be unscrewed. It is suggested that corresponding solutions should be taken according to the specific situation. If you are not sure why, you'd better ask a professional to handle it.