Tips for Picking and Using a Cartridge Roll Mandrel
You probably don't think much about your cartridge roll mandrel until it starts wobbling mid-grind or a roll flies off because the pilot wasn't the right size. It is one of those small, unassuming tools that sits in the back of your toolbox, but the second you need to sand down a tight corner or deburr a hole in a metal bracket, it becomes the most important thing in the shop. If you've ever tried to jam a piece of sandpaper into a crevice by hand, you know exactly why these mandrels are such a lifesaver. ...