1A8 Grinding Wheels are used for high precision slot grinding, slicing and dicing, and some fine cut-off operations. The blade is available in Diamond or CBN and is used in single, as well as gang wheel applications, on standard surface grinders, creep feed grinders, OD grinders, machining centers, and specialized dicing machines.
| Outer diameter (D) | Overall thickness (T) | Arbor hole diameter(H) |
| 2.5 | 4 | 1 |
| 3 | 4 | 1/1.5 |
| 4 | 4/6 | 1/1.5 |
| 5 | 4/6/8 | 1/2 |
| 6 | 4/6/8 | 1/2 |
| 7 | 6 | 2 |
| 8 | 4/6/10 | 3 |
| 10 | 6/8/10/12 | 3 |
| 12 | 4/6/12 | 3/6 |
| 14 | 8/10/12/14 | 6 |
| 15 | 8/10/12/14 | 6 |
| 16 | 8/10/12/14/16 | 10 |
| 18 | 8/10/12/14/16 | 10 |
| 20 | 8/10/12/14/16 | 10 |
| 23 | 12/14/16/18/20 | 10 |
| 56 | 40 | 0.12-0.25 |
| 58 | 40 | 0.12-0.25 |
