Putting some bench grinder wheels under the microscope, here is a selection. I may update this post as I get new ones or also add some older/used ones I have sitting around.
| Picture | Grit | Type | Manufacturer |
|---|---|---|---|
|
36 | NK | Manufacturer 1 |
|
36 | NK | Manufacturer 2 |
|
60 | NK | Manufacturer 1 |
|
60 | NK | Manufacturer 2 |
|
60 | EK | Manufacturer 1 |
|
80 | SC | Manufacturer 1 |
|
80 | SC | Manufacturer 3 |