1A1 flat shape electroplated diamond grinding wheel for tungsten carbide is the most popular grinding wheels for tungsten carbide tools processing. It is also used for all kinds of other hard carbides, optical glass, gem, semiconductor materials, non-ferrous materials, and non-metallic material grinding, cutting or electrolytic grinding.
Following are the popular specification of 1A1 flat shape electroplated diamond grinding wheel:
| 1A1 Grinding Wheel Size Chart |  |
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| D | T | H | X | ||||
| Inch | mm | Inch | mm | Inch | mm | Inch | mm |
| 3 | 75 | 1/16 | 1.6 | 1/2 | 12.7 | 1/8 | 3 |
| 3 | 75 | 1/8 | 3 | 1/2 | 12.7 | 1/8 | 3 |
| 3 | 75 | 1/4 | 6 | 1/2 | 12.7 | 1/8 | 3 |
| 6 | 150 | 1 | 25 | 1-1/4 | 31.75 | 1/4 | 5 |
| 4 | 100 | 1/16 | 1.6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 4 | 100 | 1/8 | 3 | 1-1/4 | 31.75 | 1/8 | 3 |
| 4 | 100 | 1/4 | 6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 5 | 125 | 1/8 | 3 | 1-1/4 | 31.75 | 1/8 | 3 |
| 6 | 150 | 1/16 | 1.6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 6 | 150 | 1/8 | 3 | 1-1/4 | 31.75 | 1/8 | 3 |
| 6 | 150 | 1/4 | 6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 7 | 175 | 1/4 | 6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 7 | 175 | 1/2 | 13 | 1-1/4 | 31.75 | 1/8 | 3 |
| 6 | 150 | 3/8 | 10 | 1-1/4 | 31.75 | 1/8 | 3 |
| 6 | 150 | 1/2 | 13 | 1-1/4 | 31.75 | 1/8 | 3 |
| 4 | 100 | 1/16 | 1.6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 4 | 100 | 1/8 | 3 | 1-1/4 | 31.75 | 1/8 | 3 |
| 4 | 100 | 1/4 | 6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 6 | 150 | 1/16 | 1.6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 7 | 175 | 1/4 | 6 | 1-1/4 | 31.75 | 1/8 | 3 |
| 7 | 175 | 1/4 | 6 | 1-1/4 | 31.75 | 1/4 | 6 |
| 7 | 175 | 1/4 | 6 | 1-1/4 | 31.75 | 3/8 | 10 |
| 7 | 175 | 1/4 | 6 | 1-1/4 | 31.75 | 1/2 | 13 |
