TCI Tricone Bit 8 1/2" 8 3/4" 216mm 222mm Roller Cone Drill Bit Mining Drilling

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TCI Tricone Bit 8 1/2" 8 3/4" 216mm 222mm Roller Cone Drill Bit Mining Drilling

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TCI Tricone Bit 8 1/2" 8 3/4" 216mm 222mm Roller Cone Drill Bit Mining Drilling

^ Bearing polishing process after finish turning, improve bearing performance ^ Dynamic lubrication system ^ Professional & stable heat treatment, High quality control ^ Welding process, more wear...

Product Tags:

TCI tricone drill bit for mining

8 1/2 inch roller cone drill bit

mining drilling bit set with warranty

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