Recently, I needed to shape the inside of some blind (non-through) holes. My first thought was to wrap sandpaper around a dowel, but then I found the perfect tool in round chainsaw files. They are supplied with a "safe" smooth end that doesn't cut. I cut off the ends with a rotary tool, then ground … Continue reading Simple File Modification to Work in Blind Holes
Simple File Modification to Work in Blind Holes
