Why Every Shop Needs a Lathe Expanding Mandrel
Using a lathe expanding mandrel can completely change how you approach internal workpieces, especially when you're dealing with thin walls or parts that need perfect concentricity. If you've ever tried to grip a thin sleeve in a standard three-jaw chuck only to realize you've turned it into an oval, you know exactly why these tools are a lifesaver. It's one of those bits of kit that might sit in the drawer for a week, but the second you need it, nothing else will do the job quite as well. ...