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Anchor bit, pdc cutters, ,coal mine
PDC Roof Bit
PDC roof bit for mining is used high quality PDC cutters as the cutting teeth, the bit has high wear resistance, high impact resistance and high drilling efficiency; The bit is used advanced welding technology, which can guarantee the bit have high welding strength, longer life, high comprehensive construction efficiency, suitable for wide-range rock formations, has high ration of finish holes and no hole shrinkage. Usually it has 2 wings, but also could be made into 3 wings.
Application
Suitable for bolt mesh support of coal mining,etc. Widely used in f 8-12 rock formation drilling.
Specification
| Diameter | Wings | PDC Cutter | Carbide |
| 24.5mm | 2 | Y | N |
| 27mm | 2 | Y | N |
| 28mm | 2 | Y | N |
| 30mm | 2 | Y | N |
| 32mm | 2 | Y | N |
| 42mm | 2 | Y | N |
| 28mm | 3 | Y | N |
| 30mm | 3 | Y | N |
| 32mm | 3 | Y | N |
| 42mm | 3 | Y | N |
| 24.5mm | 2 | Y | Y |
| 27mm | 2 | Y | Y |
| 28mm | 2 | Y | Y |
| 30mm | 2 | Y | Y |
| 32mm | 2 | Y | Y |
| 24.5mm | 2 | N | Y |
| 27mm | 2 | N | Y |
| 28mm | 2 | N | Y |
| 30mm | 2 | N | Y |
| 32mm | 2 | N | Y |
| 42mm | 2 | N | Y |
| 48mm | 2 | N | Y |
| 64mm | 2 | N | Y |
| 24.5mm | 2 | N | Y |
| 27mm | 2 | N | Y |
| 28mm | 2 | N | Y |
| 30mm | 2 | N | Y |
| 32mm | 2 | N | Y |
| 42mm | 2 | N | Y |
We can also produce and design as per clients’ drawings/samples/requirements.
