How to easily unscrew rusty screws and nuts

Method 1: Beat to help loosen the rusty screw and nut
In the process of using the screw and nut, if the rust is not very serious, and it is a larger screw and nut, we can use the method of tapping to loosen the screw and nut. The rusty screw seems to be very strong, but only some rust is used to fix it. Sometimes this method is effective when hitting. Hold the wrench in one hand to fix the screw, and the other hand holds the hammer to hit the tail of the wrench. , You can strike with a small force first, if you still can't twist, then increase the force appropriately. Be careful with the force. If you have no experience, strike slowly to avoid knocking.

Knock a few more times like this, use a wrench to twist it, if it is loose, you can unscrew it, not only can keep the screw intact, but also fast.

Method 2, carbonated drinks to remove rust stains, easily unscrew the screws and nuts

Using carbonated beverage spraying, carbonated beverages contain carbonic acid. Carbonic acid can react with the iron oxide in the rust. During the reaction, the rust gradually disappears or is softened, and the natural screws and nuts will not be rusted. This method is possible. It is relatively slow, you can prepare a watering can to spray continuously, and use a wrench to gently pull it back and forth to try to loosen it.
After a few minutes, it will be fine. If the rust is serious, you need to extend the time. After unscrewing, remember to make carbonated drinks with water or replace the screws, otherwise it will easily continue to rust if you use it again.

Method 3, alcohol + white vinegar + detergent to remove rust stains and easily unscrew the screws and nuts
Add appropriate amount of water to the bottle, then pour two caps of alcohol, two caps of white vinegar, two caps of detergent, and shake them evenly. Pour some on the screws, let it sit for a few minutes, and then gently twist with a wrench. The rusty screws can be loosened immediately, and the screws can be removed without any effort.
This method is similar to carbonated beverages. In fact, they all play a role in reacting with iron oxide. You can mix the three and put them into a watering can to spray directly. The speed is similar to that of carbonated beverages.
This method is the most suitable for common rusty screws and nuts like this at home. We can unscrew the screws without any effort.