This product is used for construction of gas drainage drilling, water exploration drilling and grouting drilling in coal mines. The steel body bit is suitable for soft-medium hard formations (f = 4-8). Carcass drills are suitable for medium-hard to partially hard formations (f = 6-10) or strong abrasive formations, and should not be used in complex formations such as fractures and fissures.
[Design features]
| Product Type | Usual Format |
| Matrix PDC Bits | φ75mm,φ94mm,φ98mm,φ113mm |











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