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- Type 27 SG Depressed Center Grinding Wheel
- 4 1/2 in Diameter
- 24 Grit
| Tool Shape | Type 27 |
| Type of Abrasive | Bonded |
| Hardness Grade | R |
| Thickness | 0.125 in |
| Arbor Thread - TPI or Pitch | 5/8 in - 11 |
| Dia. | 4.5 in |
| Abrasive Material | Aluminum Oxide |
| Abrasive Trade Name | A |
| RPM [Max] | 13300 rpm |
| Grit | 24 |
| Weight | 0.02 LB |
