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VIDEO China 18 1/2in Tricone Rock Drill Bits 470mm PDC Drill Bit For Oil Gas Rock Breaking

18 1/2in Tricone Rock Drill Bits 470mm PDC Drill Bit For Oil Gas Rock Breaking

Cuttertyp: Gii
IADC -Code: S123
Körpertyp: Stahl
VIDEO China 17.5inch 444mm Tricone Rock Drill Bits Steel Body Tricone Roller Bit 103 Cutters API

17.5inch 444mm Tricone Rock Drill Bits Steel Body Tricone Roller Bit 103 Cutters API

Cuttertyp: Gii
IADC -Code: S223
Körpertyp: Stahl
China 16 Inch Tricone Rock Drill Bits API 7-1 Steel Body PDC Drilling Bits  68 Cutter 

16 Inch Tricone Rock Drill Bits API 7-1 Steel Body PDC Drilling Bits 68 Cutter 

Cuttertyp: Gii
IADC -Code: S123
Körpertyp: Stahl
China 15 1/2in Tricone Rock Drill Bits 394mm 80 Cutter  Soft Formations

15 1/2in Tricone Rock Drill Bits 394mm 80 Cutter  Soft Formations

Cuttertyp: Gii
IADC -Code: S324
Körpertyp: Stahl
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