Taizhou Superdura Technology Co.,Ltd. offers all kinds of high air pressure DTH hammers, high air pressure DTH bits, low air pressure DTH hammers, low air pressure DTH bits, DTH pipes and sub adatpers for mining, quarrying and tunneling. Our products can meet extreme hard rock drilling need.
Whether the rock is hard or soft, you can always get the best option from us. For soft rock, you can get the most cost-effective high air pressure DTH bits which are made of reasonable material. For hard rock, you can get the strongest high air pressure DTH bits which are made of the best material in China.
If you need, you can also get customized products from us. Whatever you need, we will try our best to meet your demands.
Product Specifications:
| Bit Shank | Bit Diameter(mm) | Gauge Buttons | Front Buttons | Weight(Kg) |
| DHD3.5/QL30/M30 | 85 | 6×14 | 4×12 | 4.2 |
| 90 | 6×14 | 5×12 | 4.5 | |
| 95 | 6×14 | 5×12 | 4.8 | |
| 100 | 6×14 | 6×12 | 5 | |
| 105 | 6×14 | 6×12 | 5.5 | |
| DHD340/QL40/M40/SD4 | 105 | 6×14 | 6×13 | 8.5 |
| 110 | 7×14 | 6×13 | 8.8 | |
| 115 | 7×16 | 6×14 | 9 | |
| 120 | 8×15 | 7×13 | 9.8 | |
| 127 | 8×16 | 7×14 | 11 | |
| DHD350/QL50/M50/SD5 | 135 | 8×18 | 6×14 | 15 |
| 140 | 8×18 | 7×14 | 16 | |
| 146 | 8×18 | 8×14 | 17 | |
| 152 | 8×18 | 8×14 | 17.5 | |
| 165 | 8×18 | 8×16 | 18.5 | |
| DHD360/QL60/M60/SD6 | 152 | 8×18 | 8×14 | 22 |
| 165 | 8×18 | 8×16 | 26 | |
| 171 | 9×18 | 10×16 | 27 | |
| 190 | 10×18 | 11×16 | 28.5 | |
| 203 | 10×18 | 13×16 | 29.5 | |
| DHD380/QL80/M80/SD8 | 203 | 10×19 | 14×16 | 49 |
| 216 | 10×19 | 14×16 | 52 | |
| 241 | 12×19 | 18×16 | 57 | |
| 254 | 12×19 | 20×16 | 63 | |
| 305 | 15×18 | 35×16 | 78 | |
| DHD1120/QL120/SD12 | 305 | 15×19 | 35×16 | 142 |
| 311 | 15×19 | 36×16 | 150 | |
| 330 | 15×19 | 36×16 | 165 | |
| 356 | 18×19 | 45×16 | 170 | |
| 381 | 18×19 | 54×16 | 183 |
