Changtan combines long professional geo-exploration equipments experience with new technology in drilling tools, Changtan diamond drill bits has various dimension for different drilling processes, including but not limited to diamond core drill, wire-line core drill, specifications as shown below:
Item | Modle | 36 | 46 | 56 | 59 | 75 | 76 | 77 | 91 | 94 | 101 | 110 | 130 | 150 | 170 | 200 | 220 | 225 | 250 | 275 | 325 | BQ | NQ | HQ |
Bit | Single | Y | Y | Y | Y | Y |
| Y | Y | Y |
| Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
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Double | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
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Wire |
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| Y | Y |
| Y | Y |
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| Y | Y | Y | |
Reamer | Single | Y | Y | Y | Y | Y |
| Y | Y | Y |
| Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
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Double | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
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Wire |
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| Y | Y |
| Y | Y |
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| Y | Y | Y |
Y Indicates the specification is available, others can be OEMed.
Hot-Pressed Diamond Drill Bit matrix and Rock Formation Comparison Form
Earth Property | Rock | Bit Matrix Type |
Soft | Shale, soft sand, peat, mudstone, marl, etc | Flat Bottomed Type, Arc-shaped Type, Steps Shaped Type(PDC coring or non-coring) |
Medium | Limestone, marble, dolomite, rhyolite, limonite, etc | Steps Shaped Type, Concentric Circles Type, Canine Tooth Shaped Type, Wheeling Gear Shaped Type |
Hard | Basalt, gneiss, granodiorite, hornfels, pegmatite, etc | |
Solid Hard | Hard granite, quartzite, hard slate, chert, basalt, etc |
