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PDC Drilling Diamond Core Drill Bits For Granite / Coal Mining / Geological Exploration
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PDC Drilling Diamond Core Drill Bits For Granite / Coal Mining / Geological Exploration

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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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Mr. Mr. Liu
Tel: 86-531-12948866
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Contact Method
Sinotechdrill International Co., Ltd
No 10, Ligao International building,undefined, Jinan, Shandong, China (Mainland)
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