If the pin has access to, it wouldn't budge, then try to fill in the hole a strong electrolyte such as nitric acid, which will help to break the connection of two metal surfaces. If the pin broke off so that to get to her is not possible, then try the following ways.
Get a special set of extractors, which is designed to extract broken studs, bolts with broken heads and splines, drills, and more. Then in the center of the stuck parts, drill hole, which should be slightly less than the diameter of the extractor. Drilling need with the help of the conductor, which will help to make a hole exactly in the center. Be sure to save necessary wall thickness of the recoverable items.
After the hole is ready, insert the extractor, which neatly screw inside. Remember that this device has a left-hand thread, so it will be screwed in the opposite direction. After some time he will finish the spin and start to go out with a stuck pin.
Try to drill a fallen item. Be very careful and patient. Remember, however, that if the probability of getting small metal shavings inside the important components and assemblies, then abandon this method. Also try using a drill with left-hand thread, which drill into the surface at low speed. Often the thread starts to wane due to the left stroke drills and damaged the pin easily comes out.
If the surface and space allow the use of welding, the weld to the protruding end of the stud nut. After that, pick up a wrench of the desired diameter and begin to Unscrew the nut that pulled out behind him and the rest of the details.
Advice 2: How to remove a broken bolt
When working with the bolt it can break, and pull it out in this case, it is quite difficult. In this case, smart assistants will be hand tools and a bit of their own ingenuity.
You will need
- - the file;
- - nut;
- - drill;
- - screwdriver;
- - wrench;
- when doing this, or troks;
- - lighter.
If the cap bolt broke off, but it was at least some part, try with a file make a groove for the screwdriver. After this, carefully loosen the damaged bolt of an appropriate size screwdriver.
When the cap is completely broken off, you can use professional tools to loosen these bolts. Purchase the auto parts store a special gimlet. Drill the bolt hole corresponding to the size of the gimlet and screw it in there. Then remove the bolt of the protruding end of the thumb.
Pull the bolt and other method. Drill a hole of a size such that before the threads were only 1-1. 5 mm. During drilling periodically dip the hot drill bit into engine oil. Then gently otkovyryat the remains of the bolt with any sharp metal object, for example, with a screwdriver. The main thing – to calculate the correct size drill so as not to hurt the threads. This option is also suitable in the case when you need to get the broken bolt.
If the cap bolt is torn off, but sticking a piece of thread, pull it with a nut. To do this, choose the size of the nut and are highly rascality it on the fire. To keep her you need a pair of tweezers or tongs with heat-resistant handles so you don't burn the hands.
After the nut is thoroughly heated, install it on the protruding chip of the bolt. Due to the high temperature nut should be welded to it. After some time, necessary for the metal has cooled, take the correct size wrench and remove the bolt for the nut welded thereto.
You can also try to pull the bolt key with an asterisk or, as it is called, troks. For this you need to drill the bolt hole and drive there troks. When he walks the entire length, remove the bolt for him.