![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
![Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Large Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(11-14) - Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Large Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(11-14) -](https://m.media-amazon.com/images/S/aplus-media-library-service-media/a38f91e6-16ff-4242-a076-cd21ac8f392e.__CR0,0,300,300_PT0_SX300_V1___.jpg)
Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Large Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(11-14) -
![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Full Set) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Full Set) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/61gfQspQg2L.jpg)
Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Full Set) : Arts, Crafts & Sewing
![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 – Small Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(4-7) - Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Small Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(4-7) -](https://m.media-amazon.com/images/I/81zEbWMHNbL.jpg)
Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Small Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(4-7) -
![Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 4-7) : Arts, Crafts & Sewing Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 4-7) : Arts, Crafts & Sewing](https://m.media-amazon.com/images/I/51vxBbMejKL.jpg)