Hard Rock Mining Core Drilling Tools NQ HQ PQ Diamond Core Drill Bits
High quality Top sale diamond core drill bits for hard rock mining NQ HQ PQ diamond core bit Core Drilling Tools
Product information:
The synthetic diamond poly crystalline is manufactured by sintering the fine grains of synthetic mono crystals and at high temperature and high-pressure.Because of their advantages of high wear ability,hot hardness high compressive and impact strength,It is widely used in geological exploration,petroleum drilling,mechanical processes,and so on.
Diamond core bits are widely used in the drilling for geological exploration,water conservancy and power engineering,hydro geological exploration and building construction,etc.
Specifications:
| Size | Outside diameter(mm) | Inside diameter(mm) |
| AQ | 47.75/47.50 | 27.10/26.85 |
| BQ | 59.69/59.44 | 36.52/36.27 |
| BQ3 | 59.69/59.44 | 33.65/33.40 |
| NQ | 75.44/75.19 | 47.75/47.50 |
| NQ2 | 75.44/75.19 | 50.80/50.55 |
| NQ3, NQTT | 75.44/75.19 | 45.21/44.96 |
| HQ | 95.76/95.38 | 63.63/63.38 |
| HQ3, HQTT | 95.76/95.38 | 61.24/60.99 |
| PQ | 122.30/121.80 | 85.09/84.84 |
| PQ3 | 122.30/121.80 | 83.18/82.93 |
We provide 6 types of core bit, as below:
1. Impregnated Diamond Type
2. Surface set Diamond Type
3. Tungsten Carbide Type
4. PDC Type
5. PCD Type
6. Electroplated Diamond Type
Company Profile:
Hebei Minetech Machinery Technology Co, Ltd. is an joint venture enterprise with Europe Partner, which is located in Shijiazhuang City, Hebei Province,China. Our company is specialized in manufacturing and exporting of mining machinery, such as hydraulic and pneumatic drill machine, roof bolter and drilling consumption, like drill bit and drill rod with own factory in Shijiazhuang City.
With our rich expenience for over a decade and with professional engineers andsales team, we focus on providing complete solutions for mining machinery.
Target markets is gradually shifted from domestic market to international market, products are exported to more than thirty countries and regions, including Southeast Asia, the United States, Germany, Britain, South Africa, Poland, Russia, Middle Asia, South America and so on, and established a good brand and reputation international market.
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