Antique Watchmaker Vise - Restoration (1080p_50fps_H264-128kbit_AAC)

In this video i&restoring a very rusty and stuck antique watchmaker vise. Sometimes I spend a lot of time just scrolling through the antique section of eBay without seeing something not even close to be interesting. It was exactly this case a few weeks ago, but then all of a sudden this little watchmaker vise appeared. I knew right away that I want it. I really like the small size of it with all the details and the old school design, so I bought it for $20. It had really a lot of rust and I was sceptical at the beginning if I could get rid of all the pitting and put a nice mirror polish on it, because it is very thin at two spots. It turned out to not be a problem and it worked very well. The jaws themself looked still very good after removing the rust, I&only pu a little bluing liquid on them and that was it. The bolt and the wing nut on the other hand was a big issue on this project. The thread had way too much play, the thread in the nut was not straight and it was a non standart thread size. That means I had no tools to cut this exact thread. So I need to make at least a new bolt and put a same size metric standart thread on it. With this new thread the nut doesn&fit anymore on the new bolt. If I want to repair the wing nut, I&have to close the old thread with welding and cut in the same metric thread as on the bolt. I talked to a professional welder to close this thread, but he told me that the diameter of the hole was too small compared to it&lenght to be able to...