What should I do if the screw cannot be unscrewed?

1. When we tighten the Phillips screws, if there is a problem that they cannot be unscrewed, it may be that the screws have rusted. If the surrounding environment is relatively humid, the screws will easily rust when they get wet. question.

2. In this case, no matter how hard we try, it will not come off, so we can first clamp the screw with a wrench, and then prepare a small hammer to hit the handle with a little force. Make it bigger and tap it a few times in succession to loosen the rusty parts, and then it will be much easier to clean it again.

3. Because it is rusty, you can remove the rust first. There are rust removers on the market, or if you have leftover Coke at home, pour it directly on the rusted area. Wait until it is effectively dissolved, and then use a screwdriver to turn the Phillips screws to easily unscrew it.