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| Place of Origin | Germany |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | BQ NQ HQ PQ |
Terracore S Geobor Impregnated Core Bits PQ3 for Diamond Core Drilling
Terracore impregnated core bits are designed for sustainability and cost efficiency. The bits are adjusted to fit slower rotation and heavy duty site-investigation rigs. They are less sensitive to abuse, rough handling and abrasive formations. A range of standardized matrices and one diamond impregnation height cover the most common applications. For site investigation and core drilling in shallow formations of less than 150 m (500 ft), Terracore impregnated core bits will be your optimal choice.
Features & benefits:
1. Less sensitive to abuse for high sustainability and cost efficiency.
2. Matrices for a wide range of formations, easy bit selection.
3. Standardized design makes the Terracore bit range competitive and cost effective.
Dimensions of Core Bits:
| A-Gauge Core Bits | ||||
| Size | Outside diameter | Inside diameter | ||
| inch | mm | inch | mm | |
| AQ | 1.880/1.870 | 47.75/47.50 | 1.607/1.057 | 27.10/26.85 |
| AQ-RSG | 1.895/1.885 | 48.13/47.88 | 1.067/1.057 | 27.10/26.85 |
| AWG,AX | 1.880/1.870 | 47.75/47.50 | 1.190/1.180 | 30.23/29.97 |
| AWM | 1.880/1.870 | 47.75/47.50 | 1.190/1.180 | 30.23/29.97 |
| AWT | 1.880/1.870 | 47.75/47.50 | 1.286/1.276 | 32.66/32.41 |
| LTK48 | 1.880/1.870 | 47.75/47.50 | 1.394/1.384 | 35.40/35.15 |
| B-Gauge Core Bits | ||||
| BQ | 2.350/2.340 | 59.69/59.44 | 1.438/1.428 | 36.52/36.27 |
| BQ-RSG | 2.365/2.355 | 60.77/59.82 | 1.438/1.428 | 36.52/36.27 |
| BQ-2.400 | 2.045/2.395 | 61.09/60.83 | 1.438/1.428 | 36.52/36.27 |
| BQ3 | 2.350/2.340 | 59.69/59.44 | 1.325/1.315 | 33.65/33.40 |
| BWG,BX | 2.350/2.340 | 59.69/59.44 | 1.660/1.650 | 42.16/41.91 |
| BWM | 2.350/2.340 | 59.69/59.44 | 1.660/1.650 | 42.16/41.91 |
| BWT | 2.350/2.340 | 59.69/59.44 | 1.755/1.745 | 44.58/44.32 |
| LTK60 | 2.350/2.340 | 59.69/59.44 | 1.742/1.732 | 44.25/44.00 |
| TBW | 2.350/2.340 | 59.69/59.44 | 1.785/1.775 | 45.34/45.09 |
| N-Gauge Core Bits | ||||
| NQ | 2.970/2.960 | 75.44/75.19 | 1.880/1.870 | 47.75/47.50 |
| NQ-RSG | 2.985/2.975 | 75.82/75.57 | 1.880/1.870 | 47.75/47.50 |
| NQ-3.032 | 3.037/3.027 | 77.14/76.89 | 1.880/1.870 | 47.75/47.50 |
| NQ2 | 2.970/2.960 | 75.44/75.19 | 2.000/1.990 | 50.80/50.55 |
| NQ2-RSG | 2.985/2.975 | 75.82/75.57 | 2.000/1.990 | 50.80/50.55 |
| NQ3,NQTT | 2.970/2.960 | 75.44/75.19 | 1.780/1.770 | 45.21/44.96 |
| NQ3-RSG | 2.985/2.975 | 75.82/75.57 | 1.780/1.770 | 45.21/44.96 |
| NQ3-3.032 | 3.037/3.027 | 77.14/76.89 | 1.780/1.770 | 45.21/44.96 |
| LMLC | 2.970/2.960 | 75.44/75.19 | 2.052/2.042 | 52.12/51.87 |
| NWG, NX | 2.970/2.960 | 75.44/75.19 | 2.160/2.150 | 54.86/54.61 |
| NWM | 2.970/2.960 | 75.44/75.19 | 2.160/2.150 | 54.86/54.61 |
| NWT | 2.970/2.960 | 75.44/75.19 | 2.318/2.308 | 58.87/58.62 |
| TNW | 2.970/2.960 | 75.44/75.19 | 2.394/2.384 | 60.80/60.55 |
| H-Gauge Core Bits | ||||
| HQ | 3.770/3.755 | 95.76/95.38 | 2.505/2.495 | 63.63/63.38 |
| HQ-RSG | 3.790/3.755 | 96.27/95.89 | 2.505/2.495 | 63.63/63.38 |
| HQ-3.830 | 3.840/3.825 | 97.54/97.16 | 2.505/2.495 | 63.63/63.38 |
| HQ-3.895 | 3.897/3.882 | 98.98/98.60 | 2.505/2.495 | 63.63/63.38 |
| HQ3, HQTT | 3.770/3.755 | 95.76/95.38 | 2.411/2.401 | 61.24/60.99 |
| HQ3-RSG | 3.790/3.755 | 96.27/95.89 | 2.411/2.401 | 61.24/60.99 |
| HQ3-3.830 | 3.840/3.825 | 97.54/97.16 | 2.411/2.401 | 61.24/60.99 |
| HQ3-3.895 | 3.897/3.882 | 98.98/98.60 | 2.411/2.401 | 61.24/60.99 |
| HMLC | 3.897/3.882 | 98.98/98.60 | 2.505/2.495 | 63.63/63.38 |
| HWF-Long | 3.912/3.897 | 99.36/98.98 | 3.005/2.995 | 76.33/76.08 |
| HWF-Short | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 |
| HWG, HX | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 |
| HWM | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 |
| HWT | 3.897/3.882 | 98.98/98.60 | 3.192/3.182 | 81.08/8082 |
| P-Gauge Core Bits | ||||
| PQ | 4.815/4.795 | 122.30/121.80 | 3.350/3.340 | 85.09/84.84 |
| PQ3 | 4.815/4.795 | 122.30/121.80 | 3.275/3.265 | 83.18/82.93 |
| PWF-Long | 4.755/4.740 | 120.78/120.40 | 3.635/3.620 | 92.33/91.95 |
| PWF-Short | 4.735/4.715 | 120.27/119.76 | 3.635/3.620 | 92.33/91.95 |
| S-Gauge Core Bits | ||||
| SWF-Long | 5.755/5.740 | 146.18/145.80 | 4.447/4.432 | 112.95/112.57 |
| SWF-Short | 5.735/5.715 | 145.67/145.16 | 4.447/4.432 | 112.95/112.57 |
| U-Gauge Core Bits | ||||
| UWF-Long | 6.880/6.860 | 174.75/174.24 | 5.515/5.495 | 140.08/139.57 |
| UWF-Short | 6.855/6.825 | 174.12/173.36 | 5.515/5.495 | 140.08/139.57 |
| Z-Gauge Core Bits | ||||
| ZWF-Long | 7.880/7.860 | 200.15/199.64 | 6.515/6.495 | 165.48/164.97 |
| ZWF-Short | 7.855/7.825 | 199.52/198.76 | 6.515/6.495 | 165.48/164.97 |
| T, TT, T2 & TB Series Metric Core Bits | ||||
| T36 | 1.422/1.412 | 36.12/35.87 | 0.859/0.849 | 21.82/21.57 |
| TT46 | 1.818/1.808 | 46.18/45.92 | 1.394/1.384 | 35.40/35.15 |
| T2-46 | 1.818/1.808 | 46.18/45.92 | 1.253/1.243 | 31.82/31.57 |
| TB56 | 2.22 | 56.3 | 1.64 | 41.7 |
| TT56 | 2.210/2.200 | 56.13/55.88 | 1.788/1.778 | 45.41/45.16 |
| T2-56 | 2.210/2.200 | 56.13/55.88 | 1.647/1.637 | 41.83/41.58 |
| T2-66 | 2.603/2.593 | 66.12/65.87 | 2.040/2.030 | 51.81/51.56 |
| T2-76 | 2.997/2.987 | 76.12/75.87 | 2.434/2.424 | 61.82/61.57 |
| T2-76 Coreline | 2.997/2.987 | 76.12/75.87 | 2.288/2.278 | 58.12/57.87 |
| T2-86 | 3.391/3.381 | 86.13/85.88 | 2.828/2.818 | 71.83/71.58 |
| T2-86 Coreline | 3.391/3.381 | 86.13/85.88 | 2.682/2.672 | 68.13/67.88 |
| T2-101 | 3.981/3.971 | 101.12/100.87 | 3.300/3.290 | 83.82/83.57 |
| T2-101 Coreline | 3.971/3.971 | 101.12/100.87 | 3.155/3.145 | 80.13/79.88 |
| T6 Series Metric Core Bits | ||||
| T6-76 | 2.997/2.987 | 76.12/75.87 | 2.249/2.239 | 57.12/56.87 |
| T6-86 | 3.391/3.381 | 86.13/85.88 | 2.643/2.633 | 67.13/66.88 |
| T6-101 | 3.981/3.971 | 101.12/100.87 | 3.115/3.105 | 79.12/78.87 |
| T6-116 | 4.575/4.560 | 116.20/115.82 | 3.667/3.657 | 93.14/92.89 |
| T6-131 | 5.165/5.150 | 131.19/130.81 | 4.257/4.247 | 108.13/107.88 |
| T6-146 | 5.755/5.740 | 146.18/145.8 | 4.847/4.837 | 123.11/122.86 |
| T6S Series Metric Core Bits | ||||
| T6S-76 | 3.009/2.999 | 76.43/76.18 | 1.883/1.873 | 47.83/47.58 |
| T6S-86 | 3.403/3.393 | 86.43/86.18 | 2.277/2.267 | 57.83/57.58 |
| T6S-101 | 3.993/3.983 | 101.43/101.18 | 2.828/2.818 | 71.83/71.58 |
| T6S-116 | 4.586/4.571 | 116.48/116.10 | 3.379/3.369 | 85.83/85.58 |
| T6S-131 | 5.177/5.162 | 131.48/131.10 | 3.970/3.960 | 100.83/100.58 |
| T6S-146 | 5.767/5.752 | 146.48/146.10 | 4.560/4.550 | 115.83/115.58 |
| B Series (ISO3552-1) Metric Core Bits | ||||
| B36 | 1.422/1.412 | 36.12/35.87 | 0.859/0.849 | 21.82/21.57 |
| B46 | 1.818/1.808 | 46.18/45.92 | 1.253/1.243 | 31.82/31.57 |
| B56 | 2.210/2.200 | 56.13/55.88 | 1.647/1.637 | 41.83/41.58 |
| B66 | 2.603/2.593 | 66.12/65.87 | 2.040/2.030 | 51.81/51.56 |
| B76 | 2.997/2.987 | 76.12/75.87 | 2.434/2.424 | 61.82/61.57 |
| B86 | 3.391/3.381 | 86.13/85.88 | 2.828/2.818 | 71.83/71.58 |
| B101 | 3.981/3.971 | 101.12/100.87 | 3.418/3.408 | 86.82/86.57 |
| B116 | 4.575/4.560 | 116.20/115.82 | 4.009/3.999 | 101.83/101.58 |
| B131 | 5.165/5.150 | 131.19/130.81 | 4.599/4.589 | 116.82/116.57 |
| B146 | 5.755/5.740 | 146.18/145.80 | 5.190/5.180 | 131.82/131.57 |
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Further exploration drilling products information, please don't hesitate to contact us.
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com
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