Unscrew the screw or screw in a normal situation is not difficult, you only need to use a screwdriver, screwdriver or drill, produce counterclockwise rotation - and the task is completed. But sometimes there are difficulties in loosening, usually because when you have damaged screw head or self-tapping, thread is damaged, consider this article 8 ways to unscrew fasteners that you help.
The first option is ideal in the event that could be seen above the surface of the screws or fasteners, you will only need to use thin pliers (platypus), jump at the protruding part and turn fasteners counter-clockwise.
But there are situations in which the self-tapping screws or screwed deep enough here without having to touch the surface is not enough. Yes, you will spoil the surface, but other outlets sometimes not. If screws or screws are screwed into the wooden surface, to get close to them you can with a chisel. When you are self-tapping screws and bolts in the concrete near the surface obsverlite or can be inscribed angle grinders, to pick up and grasp the fastener with pliers. These options can be used when the fasteners are in the metal.
Consider the case where the cap on the screws or screws left, but the slot ripped, as they say, many masters - "lapped" seamed. Screwdriver or drill a break with this fixture. The easiest way to deal with this problem - use a piece of rubber or any rubberized material. Suitable, for example, medical or tow bicycle camera. You need to cut from the material a small rectangular or square piece and put on the head of the fastener to prevent cross threading. Then, we come up against a screwdriver and gently begin to unscrew. Rubber creates extra grip, metal screwdriver is not disrupted by slippery metal head and doing his job. If the rubber in the process has been damaged, torn, just pick up a new piece, and continue twisting.
Also, in case of damage the screw head, a method of cutting new faces. More precisely, the deepening of pre-existing but erased. Basically one incision is made under the flat screwdriver via grinder, a saw, metal or Dremel.
Sometimes it helps when the damaged screw head, or the screw nakapyvayut Clay time. Here it is necessary to wait some time to glue a little frozen, then attach a screwdriver, wait for complete solidification of glue and try to slowly loosen the fasteners.
We can also consider the option of loosening by means of an extractor. extractor secret that in the time of rotation counterclockwise, he captures all the more fasteners, not letting him get away. But before you use the extractor screws must drill a hole in the vertical axis, which in turn can be inserted into the instrument. In the case of a conventional screw is possible, just need to choose a subtle drill. But the drill screw of hardened steel is very difficult, the drill will just go sideways.
The most reliable way of loosening can be considered when using welding, welded to the fragment of fasteners such as nut or lever and calmly spun. Sometimes it is also used, and cold welding for such purposes.
The last way that we look at it when the holder is in the tree. Here it is necessary to heat the screw or screw soldering iron metal expands upon heating and then narrows again. Therefore, fasteners quite easily be unscrewed, the only drawback is that the wooden surface in places of fasteners can be burned.
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