DIAMETER |
|---|
| 20, 25, 30, 38, 40, 45, 50, 63, 76 mm |
| GRIT |
|---|
| 40 • 60 • 80 • 100 • 120 • 150 • 180 • 240 • 320 • 400 • 600 |
| DIAMETER MM. | MAX (RPM) |
|---|---|
| 20 mm. | 38,150 rpm |
| 25 mm. | 30,500 rpm |
| 30 mm. | 25,400 rpm |
| 38 mm. | 19,000 rpm |
| 40 mm. | 19,000 rpm |
| 45 mm. | 15,200 rpm |
| 50 mm. | 15,200 rpm |
| 63 mm. | 12,700 rpm |
| 76 mm. | 9,500 rpm |