Using them to sand any hard material I found the drums were smooth after just a few minutes of sanding. It was the same for all 3 grit versions I bought. To return.
π§ Versatile Dremel 911 Aluminum Oxide Grinding- Unleash Precision in Every Project!
3 Review
πͺ Forney 60053 2-Inch Mounted Grinding Wheel
3 Review
πͺ Dremel 83322 Grinding Wheel with Silicon Carbide for Enhanced Performance
4 Review
π Efficient Assorted Spindle Sanding Sleeves by LotFancy: Get the Perfect Sanding Results!
3 Review