- Type 27 SG Depressed Center Grinding Wheel
- 9 in Diameter
- 24 Grit
| Hardness Grade | R |
| Abrasive Trade Name | A |
| Grit | 24 |
| Abrasive Material | Aluminum Oxide |
| RPM [Max] | 6600 rpm |
| Thickness | 0.25 in |
| Tool Shape | Type 27 |
| Arbor Thread - TPI or Pitch | 5/8 in - 11 |
| Type of Abrasive | Bonded |
| Dia. | 9 in |
| Weight | 0.0 LB |

