| Bit diameter | No.X Button diameter(mm) | Air hole | Weight (kg) | Hammer type | ||
|---|---|---|---|---|---|---|
| mm | inch | Gauge | Front | |||
| 115 | 4 1/2 | 8x14 | 4x14+4x13 | 2 | 10 | TH1080RC |
| 120 | 4 3/4 | 8x14 | 4x14+4x13 | 2 | 10.5 | TH1162RC |
| 127 | 5 | 8x14 | 4x14+4x13 | 2 | 11 | TH1186RC |
| 130 | 5 1/8 | 8x16 | 6x14+4x14 | 2 | 11.5 | TH1214RC |
| 133 | 5 1/4 | 8x16 | 6x14+5x14 | 2 | 15.6 | TH1214RC |
| 137 | 5 3/8 | 8x16 | 6x14+5x14 | 2 | 16.0 | TH1261RC |
| 140 | 5 1/2 | 8x16 | 6x14+5x14 | 2 | 18.8 | TH1261RC |
| 146 | 5 4/3 | 8x16 | 6x14+5x14 | 2 | 19.5 | TH1305RC |
| 152 | 6 | 8x16 | 6x14+5x14 | 2 | 21 | TH1305RC |