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TCI Tricone Bit
Common Type 17 1/2 Inch Roller Oilfield Drill Bit For Well Drilling
9 1/2 Inch IADC 537 TCI Tricone Drill Bit For Salt Rock
9 7/8 Inch Rubber Sealed Bearing TCI Tricone Bit For Water Well
394mm TCI Tricone Bit 15 1/2 Inch For Clay Sandstone Plaster
Steel Tooth Tricone Bit
High Manganese Steel Mill Steel Tooth Bit 17 1/2 Inch Adequate Sealing
High Drill Ability Steel Tooth Tricone Bit 14 3/4 Inch For Soft Limestone / Sandstone
Blue Steel Tooth Rotary Bits , Roll Forged 17 1/2 Inch Steel Tooth Bit
High Penetration Steel Tooth Milled Tooth Bit 17 1/2 Inch With Adequate Sealing
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