Hebei Yichuan Drilling Equipment ... - Tricone Bit, Rock Bit
6 inch (152.4mm) API Tricone Drill Bit For Water Well Drilling Tricone Drill Head /Tricone Drill Bit. 280.00 - 300.00 Piece. 10 Pieces (Min. Order) ... Rotary Piling Tools 8 1/2 Replaceable Type Roller Bits Drilling Bits For Core Barrel. ... Factory Direct Sales Rock Roller Cone Cutter For Core Barrel With Tricone bit. 280.00 - 300.00 ...
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