![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/51dq9aAr++L.jpg)
Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing
![JDG Pro Ring Mandrel | Projects | Craft Supplies USA | Craft supplies usa, Jewerly making kits, Wood turning JDG Pro Ring Mandrel | Projects | Craft Supplies USA | Craft supplies usa, Jewerly making kits, Wood turning](https://i.pinimg.com/736x/bc/83/cd/bc83cd0951cf750ff7f984d3c6196099.jpg)
JDG Pro Ring Mandrel | Projects | Craft Supplies USA | Craft supplies usa, Jewerly making kits, Wood turning
![This might be a dumb question, but I'm new to machining. I'm trying to recreate this expanding ring mandrel. How do I machine the inside hole where the screw goes to make This might be a dumb question, but I'm new to machining. I'm trying to recreate this expanding ring mandrel. How do I machine the inside hole where the screw goes to make](https://preview.redd.it/wvb2b4ya5gv71.png?auto=webp&s=228e9cc6d782b0fdd8b21004d241dd1c28aec64d)
This might be a dumb question, but I'm new to machining. I'm trying to recreate this expanding ring mandrel. How do I machine the inside hole where the screw goes to make
![Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Set of 3 Premium Steel Ring Mandrels for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making – Ring Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Set of 3 Premium Steel Ring Mandrels for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making – Ring](https://m.media-amazon.com/images/I/81ou2msewBL.jpg)