Since in most of the Centerless applications, more than one wheels is mounted on the spindle, extremely tight tolerances need to be maintained in the geometry and densities of the wheels to ensure uniform wear patterns even if each wheel in the set is different.
| Type | Operation | Speed | Best | Better | Good |
|---|---|---|---|---|---|
| Drills & Taps | Rough | 35 | 5SBA463 M5 V10C | A463 L5 V446C | A463 L5 V10C |
| 50 | 5SBA463 M5 V45C | A463 L5 V446C/45 | A463 L5 V45C | ||
| Semi Finish | 35 | DA60 M5 V10C | A60 L5 V446C | A60 L5 V10C | |
| 50 | DA60 M5 V45C | A60 L5 V446C/45 | A60 L5 V45C | ||
| Finish | 35 | DA80 K5 V10C | A80 K5 V446C | A80 K5 V10C | |
| 50 | DA80 K5 V45C | A80 K5 V446C/45 | A80 K5 V45C |
