| Diameter | Button (NO. × Diameter,mm) | Flushing holes | Weight (kg) | Bit Shank | ||
| mm | inch | Gauge | Front | |||
| 135 | 5 1/4 | 8×16 | 8×14 | 2 | 15.6 | DHD350R/COP52/QL50/SD5/M50 |
| 140 | 5 1/2 | 7×18 | 7×14 | 2 | 16.1 | |
| 146 | 5 3/4 | 7×18 | 7×14 | 2 | 16.5 | |
| 152 | 6 | 8×18 | 8×14 | 2 | 17 | |
| 165 | 6 1/2 | 8×18 | 8×16 | 2 | 17.7 | |
| 178 | 7 | 8×18 | 8×16 | 2 | 18.5 | |
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