Our impregnated diamond core bits are widely used in the mineral exploration industry, featuring high-quality synthetic diamonds distributed throughout the matrix.
Optimum diamond size, concentration, and matrix type are engineered based on the hardness and abrasiveness of the target formation.
Standard crown height of 15mm with hardness grades ranging from K3 to K20 to meet diverse drilling requirements.
| Model | Core Bit Outside Dia. | Core Bit Inside Dia. | Reaming Shell Outside Dia. | |||
|---|---|---|---|---|---|---|
| Inches | mm | Inches | mm | Inches | mm | |
| BTW | 2.345 | 59.56 | 1.667 | 42.1 | 2.36 | 59.95 |
| NTW | 2.965 | 75.31 | 2.218 | 56.1 | 2.98 | 75.7 |
| HTW | 3.762 | 95.57 | 2.809 | 71.1 | 3.783 | 96.09 |
| AQ | 1.875 | 47.63 | 1.062 | 26.97 | 1.89 | 48.01 |
| BQ | 2.345 | 59.56 | 1.433 | 36.4 | 2.36 | 59.95 |
| NQ | 2.965 | 75.31 | 1.875 | 47.63 | 2.98 | 75.7 |
| HQ | 3.762 | 95.57 | 2.5 | 63.5 | 3.783 | 96.09 |
| PQ | 4.805 | 122.05 | 3.345 | 84.96 | 4.828 | 122.65 |






The company is a large-scale professional manufacturer of drilling rigs and water well rigs, offering over 50 kinds of products including core drilling rigs, water well trucks, casing drilling series, and mud pumps.
With over 20 years of experience, the company is committed to professional production and maintenance of drilling tools. By maintaining extensive contact with users, a wealth of data has been accumulated to ensure high-performance equipment that meets real-world demands.
The new generation of water well drilling rigs features standardized configuration, fast drilling speed, and low failure rates, widely used in mining, civil drilling, and geothermal applications.
12 Months Warranty: We provide a comprehensive 12-month warranty on all types of products.
Replacement Policy: If any defective parts are found, we provide free replacements in the subsequent order. As an experienced manufacturer, we ensure consistent quality and reliable support.