DIY Socket Wrench

Do it yourself
Every time I did the oil change myself in my van, I had difficulty replacing the oil filter. The reason is that you need to unscrew the cap, on top of which is a hex-like projection that looks like a nut. Unfortunately, I do not have a suitable socket key, and for this purpose I used an adjustable or cap key, or a combination of them. The whole difficulty lies in the fact that in a limited space it is quite difficult to apply an effort sufficient to unscrew the lid. So I decided to make a key designed specifically for this task.

What is needed Tools:

  • - arc welding machine.
  • - angle grinder.
  • - other tools (file, metal brush, hammer ...).
Materials:
  • - a small metal plate with a thickness of 8 mm (probably thinner as well,but not less than 5 mm).
  • - metal pipes (with a diameter of 20 and 25 mm, about 40 cm in length each).
Cutting a metal strip
Do-it-yourself wrench
Do-it-yourself wrench
The first thing to do is to measure the length of the face of the hexagon, for which you need to make the key. This size is multiplied by six (the number of faces) , and we get the length of the metal strip that needs to be cut. I recommend adding 6 mm to the resulting length (which I did not do), then it will be easier for you at the next manufacturing stage. The plate should be wider than the height of the bolt, under which you make the key (just a few millimeters). When everything is measured, cut off the strip. Gave draw it lines on it, between which there should be a distance equal to the length of the face plus one millimeter. Then you need to make cuts along the lines, going deeper by 2/3 of the plate thickness. The result should be a strip metal, similar to a chocolate bar.

Giving a six-sided shape

Socket wrenchhands
Do it yourself
 Socket wrench with your own hands
 Do-it-yourself end wrench
 Do it yourself
 Socket wrench with your own hands
Socket wrench with your own hands At this stage, it will be more convenient to work if the metal is heated. (I didn’t maintain a constant temperature and I didn’t manage to bend the whole part in one piece.) Clamp the strip in a vice at the level of the previously made indentation. Check whether the angle fits, try it on the appropriate nut. Repeat for each segment. As my strip has cooled, it has become more difficult to work with metal. This led to a fracture over the third leg. In my case, it went to my advantage, since when I began to bend the fourth segment, it turned out that its length was not enough and it was necessary to grind off some metal so that the nut would fit properly.(I think that adding a millimeter to each segment will help to avoid the lack of the length of the inner face of the key.) So I got a part consisting of two parts, each with three faces. (It is possible to work with such a machine easier than with a single piece curved into a ring, as I had planned to do initially.) Check that the workpiece is properly put on the nut. But not too tight. (If necessary, you can grind off a part of the inner surface of the faces)

Hexagon shape welding

Do-it-yourself wrench
Do-it-yourself wrench
Do-it-yourself wrench
Do-it-yourself wrench
Do-it-yourself wrench
Now it remains to weld the part into one. (In my case, I used a 2.5 mm welding electrode) After that, you need to try on the nut again, and if everything is suitable, then you can fill the incisions with welding. (3.2 mm electrode). Again we try to put on the nut,because the high temperature during welding can deform the metal. (At this time I additionally tried on the workpiece to the six-sided protrusion on the filter ...) After that, you can clear out all the excess by making the part shape more smooth.

We weld the lid

Do-it-yourself wrench
Do-it-yourself wrench
Do-it-yourself wrench
Do-it-yourself>
After grinding, place the part on the sheet of metal from which the strip was made, and draw its outline on it. I preferred to carry the line along the inside parts, adding a couple of millimeters at the edges. But you probably can want to circle the part on the outside, on the contrary, removing an extra couple of millimeters. Then weld the received top part onto the previously manufactured part. (We use 2.5 mm and 3.2 mm electrodes) Check again whether everything fits.

Welding of a pipe

Socket wrenchhands
Do it yourself
 Socket wrench with your own hands
 Do-it-yourself end wrench
 Do it yourself
 Socket wrench with your own hands
 Socket wrench with your own hands
Socket wrench with your own hands
Only after this step, the result of the work can be called a tool. I just welded the pipe on top of the received part (it turned out to be suitable for my single-purpose key). And then after trying the key on the lid E van filter, I welded to the pipe handle. (They are made of a pipe with a smaller diameter cut in half). I welded them at an indirect angle, so it will be easier for me to work. (If I had fixed the handles at 90 degrees, then, when rotated, I slammed my knuckles into the hood latch.) After grinding and rubbing with a brush, I applied black paint from a can on the key. Now everything is ready .

Application

This socket wrench is quite clearappointment. It’s a pleasure to change the oil filter with it. But I think that the way I made the tool can be applied to any other bolts and nuts that are in hard-to-reach places. The manufacturing method is quite simple . The work does not take much time (I made it in 3 hours), and the key is quite cheap, even if all the materials you buy in the store. I think that after this project, I will do more of such tools in the future. I hope you enjoyed it.


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