I want to replace the grip screws on my Star BM. According to a couple of web posts they are M3-.05x6. However when I tried a replacement of this size, it was too little. So I picked up some M4-.07x6 and they feel too large as they only turn in less than one turn and get tight.
Any help will be appreciated. I know I can order from several sources, but I’m not confident I’ll get the correct size, plus shipping cost as much as the screws.