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Every owner, the master and the motorist will sooner or later faced with a situation in which you need to unscrew the nut thoroughly become attached. Make it can be quite difficult, especially if you do not know any more or less effective way to solve this problem. Specifically, three methods of our material will reduce the consumption of energy and time to the problems of this kind.
Method one: dissolving rust
The first thing to try and do become attached to the nut - to dissolve the rust. There are plenty of tools to help cope with this task. For example, the ideal can be WD-40.
First you need to moisten well rusted piece and wait for half an hour. After that you should take the key and try to rotate the nut. If it did not go - take a cloth moistened her composition from rust and wrapped around the entire nut. After this she must begin to "wander". Now, take the key and abruptly tried to break it with a screw.
Method two: heating the nut
This method is used in cases where the solvent can not cope with the task. The idea is to heat the metal to a state when the threaded connection will begin to lose its fortress. To perform a task suitable construction hairdryer, a blowtorch, a lighter or a gas burner.
All you need to do - it's good to warm problematic nut, and then take a spanner to unscrew and try it. If the brink of nuts are already damaged, it should be welded to it a socket, after which the resulting heat the entire structure and try to unscrew the nut again. Remember when working on compliance with safety regulations.
Method three: the destruction of the nut
Of course, this is not the most profitable, but rather "extraordinary" method of getting rid of the nut. Unfortunately, quite often it is also the only way to cope with rusted nuts. We need to destroy the Bulgarian, and even an electric drill, a chisel and a hacksaw.
First, using a hammer and chisel is necessary to do the grooves on the faces of the bolt on each side. Hammer chisel is necessary as far as possible. This will lead to the destruction of the threaded connection. Instead of a chisel can be used an electric drill. If there is enough space, it is better to just use a grinder or a hacksaw. The main thing - to work carefully and do not rush.
Continuing the theme of explanation, how to quickly make a self-locking nut and not only.
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A source: https://novate.ru/blogs/241018/48186/