Curved TCI Coal Mining Drill Bit 9 1/2 Inch Water Well
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9 1/2 Inch 5 Blades Tci Drill Bit Cutting Drill Bit Oil Well Drilling Bit This bit is a steel body PDC bit with 5 curved blades and a medium short parabolic profile.The force-balancing design and low friction gauge improve the anti-whirl ability of the bit......
Shaanxi Hainaisen Petroleum Technology Co.,Ltd
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