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
diamond core bit picture