PDC Drilling Diamond Core Drill Bits For Granite / Coal Mining / Geological Exploration
| Place of Origin: | Zhejiang |
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Company Profile
| Location: | Jinan, Shandong, China (Mainland) |
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| Business Type: | Manufacturer |
Product Detail
| Model No.: | NQ HQ PQ BW NW HW PW |
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Product Description
Pdc coal mining / Pcd impregnated diamond exploration drill bit
We are specialized in series of drill tools: PDC core drill bits, PDC drill bits, diamond drill bits, PDC, etc. We can also produce other products according to the customers requirements. PCD bits are cost veffective for drilling in soft to medium sendimentary formations which are homogeneous and competent. PCD cutters are available in several.
| Name | NQ PDC core bit PDC core drill bit for drilling |
| Size | ¢28mm~¢300mm |
| Application |
geological exploration, coalfield mining, water well drilling and water conservancy and hydropower, etc. |
| Applicable Strata | Soft and medium hard rocks, like Sandstone, Shale, Limestone, Conglomerate, Mable, etc.(f≤12) |
| Features |
About 10 times useful life than Carbide drill bit About 4 times useful life than Diamond drill bit |
Core Barrel Specification |
Outside Set Diameter | lnside Set Diameter | ||||||
| Maximum | Minimum | Maximum | Minimum | |||||
| lnches | mm | lnches | mm | lnches | mm | lnches | mm | |
| AQ | 1.880 | 47.75 | 1.870 | 47.5 | 1.607 | 27.10 | 1.057 | 26.85 |
| BQ | 2.350 | 59.69 | 2.340 | 59.44 | 1.438 | 1.428 | 36.52 | 36.27 |
| NQ | 2.970 | 75.44 | 2.960 | 75.19 | 1.880 | 47.75 | 1.870 | 47.50 |
| HQ | 3.770 | 95.76 | 3.755 | 95.38 | 2.505 | 63.63 | 2.495 | 63.38 |
| PQ | 4.815 | 122.3 | 4.795 | 121.8 | 3.35
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