Diamond grinding wheels are made of diamond powder, and there have the bond types of metal, resin, vitrified and electroplated bond.
#vacuum brazed diamond grinding wheel
https://www.superabrasivetools.....com/cast-iron-cutti
#resin bond diamond wheels
https://www.superabrasivetools.....com/resin-diamond-g
#vitrified cbn grinding wheel
https://www.superabrasivetools.....com/cbn-grinding-wh
![image](https://www.ulavu.com/upload/photos/2023/06/zoR3OSTdEY88pITsGg8N_15_152ba75f37bb70c9e52006cea3bb1424_image.jpg)