8 Inch 500 Grit Electroplated Diamond Disk
- Backed with rubberized magnet for easy application to metal wheel heads
- Standard 5/8 inch center hole for use with Mini Grinder
- Manufactured in Asheville NC, USA
This is almost always caused by using too much water on the finer grits. What's happening is you are hydroplaning on the disk. As you are grinding, you are actually floating on top of a layer of water, every so often you will displace enough of the water...