I made a few mandrels out of some steel but decided to try these because they have handles. They work well, but are no better than slotted mandrels, which you can easily make with a grinder.
πͺ Weiler 56490 Mandrel Cutter Diameter
3 Review
Merit M 9 2 5 Extra Shank Length Cartridge Diameter
3 Review
π¦ A16010600Ux0647 Abrasive Sanding Sandpaper Mandrel" -> "High-Quality Abrasive Sanding Sandpaper Mandrel (Model A16010600Ux0647)
3 Review
π§ Efficient Astro Tools 1442 A32 Mandrel 4 20 for Precision Work
3 Review
DEWALT DW4930 4 Inch 8 Inch 11 020 Inch: Ultimate Cutting and Grinding Tool with Multiple Sizes
10 Review
3M Scotch Brite Radial Bristle Discs
9 Review
π Jewelry Polishing with Radial Bristle Abrasives
9 Review
High-Quality GT2 2Mm Pitch Belt For Creality Ender, CR-10 10S & More β 5M Length
9 Review