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Best Drilling Tools For You!There are six specifications
TH80RC,TH98RC,TH126RC,TH140RC,TH180RC,TH220RC. They can bore holes from 90mm to 305mm. They have unique air distributing route:
The flushings go through the centre of bits and come out from the inner tube. This guarantees the precision of exploration sample. Besides, they are energy conservation and environmental protection drilling tools with high impact frequency, fast penetration rate and low air consumption.
