1. Our impregnated diamond core bits are engineered for the mineral exploration industry. High-quality synthetic diamonds are distributed throughout the matrix series for maximum durability.
2. Key technical parameters include diamond grade, size, concentration, and matrix hardness. The selection depends on the hardness and abrasiveness of the target formation.
3. Crown specifications: Standard height is 15mm. Available hardness standards: K3, K5, K7, K9, K11, K13, K18, K20.
| 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 |
| T2-76 | 2.992 | 76 | 2.429 | 61.7 | 3.019 | 76.5 |
| T6-101 | 3.976 | 101 | 3.11 | 79 | 3.996 | 101.5 |




Our company is a large-scale professional manufacturer of drilling rigs and water well equipment. Our product range includes over 50 types of products across 5 series, featuring core drilling rigs, water well trucks, casing series, mud pumps, and drill pipes.
With over 20 years of expertise, we focus on professional production, maintenance, and the supply of high-performance drilling tools. We stand from the user's perspective to ensure all equipment meets rigorous standards for speed, durability, and a low failure rate.

• 12 Months Warranty: Comprehensive coverage for all products.
• Replacement Policy: If any defective accessories are found, we provide new parts free of charge in your next order.