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| Brand Name : | MTH |
| Model Number : | HQ |
| Certification : | ISO9001 |
| Price : | Negotiable |
| Payment Terms : | T/T, Western Union, MoneyGram |
| Supply Ability : | 10000 pieces per month |
| Delivery Time : | 10-15 days |
HQ High quality Top sale diamond core drill bits for hard rock
mining 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.Coring bits are also called hollow bits, which have the
characteristics of high efficiency and low cost.
Advantage:
high wear ability,hot hardness high compressive and impact strength
Application:
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 |





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| Company Info. |
| HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD |
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