HQ Standard W profile Impregnated Drill Bits C14 for mineral exploration
HQ Standard W profile Impregnated Drill Bits C14 for mineral exploration
Description of Diamond Core Drill Bit
CHINA GEOLOGICAL EQUIPMENT GROUP possesses professional ability of WL/ Q series drill bits and reaming shells.
Our drilling bits have first-class quality , excellent performance. Bits and reaming shells are designed on basis of ground condition.
In respect of drilling in speed and useful life,our products are the most competitive products in China based on top quality.
Shapes of lips: flat-bottom,circular,serration,pointed teeth,angle teeth,ladder,and ladder with end spray .
Standard : To cooperate with Q series drilling tools,bits are designed on basis of different stratum condition.
Our company also design and produce non-standard drilling bits according to customer's special requirements.
Recommendation : When hardness of stratum is high,low grade drilling bits are recommended to ensure matching of stratum.
Specifications
| Size | Bit O.D. Hole Diameter | Bit I.D. Core Diameter | Reaming Shell O.D. | |||
| INCHES | MM | INCHES | MM | INCHES | MM | |
| AQ | 1.870/1.880 | 47.50/47.75 | 1.057/1.067 | 26.85/27.10 | 1.885/1.895 | 47.88/48.13 |
| LTK48 | 1.870/1.880 | 47.50/47.75 | 1.384/1.394 | 35.15/35.41 | 1.885/1.895 | 47.88/48.13 |
| BQ | 2.340/2.350 | 59.44/59.69 | 1.428/1.438 | 36.27/36.53 | 2.355/2.365 | 59.82/60.07 |
| BQ3 | 2.340/2.350 | 59.44//59.69 | 1.315/1.325 | 33.40/33.65 | 2.355/2.365 | 59.82/60.07 |
| NQ | 2.960/2.970 | 75.18/75.44 | 1.870/1.880 | 47.50/47.75 | 2.975/2.985 | 75.57/75.82 |
| NQ2 | 2.960/2.970 | 75.18/75.44 | 1.990/2.000 | 50.65/50.80 | 2.975/2.985 | 75.57/75.82 |
| NQ3/NQTT | 2.960/2.970 | 75.18/75.44 | 1.770/1.780 | 44.96/45.21 | 2.975/2.985 | 75.57/75.82 |
| NMLC | 2.960/2.970 | 75.00/75.44 | 2.042/2.052 | 51.87/52.12 | 2.975/2.985 | 75.50/75.82 |
| HQ | 3.755/3.770 | 95.38/96.00 | 2.495/2.505 | 63.38/63.63 | 3.775/3.790 | 95.89/96.27 |
| HQ3/HQTT | 3.755/3.770 | 95.38/95.57 | 2.401/2.411 | 60.99/61.24 | 3.775/3.790 | 95.89/96.27 |
| PQ | 4.795/4.815 | 121.80/122.30 | 3.340/3.350 | 84.84/85.09 | 4.820/4.835 | 122.43/122.81 |
| PQ3 | 4.795/4.815 | 121.80/122.30 | 3.265/3.275 | 82.93/83.19 | 4.820/4.835 | 122.43/122.81 |
| T2-76 | 2.987/2.997 | 75.87/76.12 | 2.424/2.434 | 61.56/61.82 | 2.999/3.009 | 76.17/76.42 |
| T2-86 | 3.381/3.391 | 85.87/86.12 | 2.818/2.828 | 71.56/71.82 | 3.393/3.403 | 86.17/86.42 |
| T2-101 | 3.970/3.982 | 100.84/101.14 | 3.290/3.300 | 83.56/84.00 | 3.984/3.994 | 101.19/101.44 |
| T6-101 | 3.970/3.982 | 100.84/101.14 | 3.105/3.115 | 78.88/79.13 | 3.984/3.996 | 101.21/101.51 |
| T6-116 | 4.560/4.575 | 115.80/116.18 | 3.657/3.667 | 92.88/93.13 | 4.575/4.590 | 116.21/116.59 |
| T6-131 | 5.150/5.165 | 130.80/131.18 | 4.247/4.257 | 107.88/108.13 | 5.165/5.180 | 131.21/131.59 |
| T6-146 | 5.740/5.755 | 145.80/146.18 | 4.837/4.847 | 122.88/123.13 | 5.757/5.772 | 146.23/146.61 |
| HMLC | 3.858 | 98.00 | 2.500 | 63.50 | 3.878 | 98.50 |
Advantages
- High quality drilling equipment;
- Full technical support and service;
- Spare parts, tools and consumable materials
- Training and consulting services
- International sales and dealership agencies;
diamond core bit picture
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.



