Anchor Drill Bit Anchor bits are mainly used to drill bolting support boreholes in coal mines, ensuring fast and highly efficient roadway excavations.
2017-07-16
API Standard Drill Pipe For Oilwell Basic Info.Model NO.:3 1/2Type:SeamlessCertification:APIApplication:Drill PipeSection Shape:RoundSurface Treatment:Copper CoatedUsage:OilGas Well DrillingTechnique:Hot RolledMaterial:Alloy SteelLengt
2017-07-16
PDC Drag Bits Water Well Drilling Tools Basic Info.Model NO.:pdc drag bitUsage:Well Drilling Machinery, Offshore Oil and Gas Field Exploitation MachineryCertification:APIPower Type:ElectricRig Type:Digital-control VF Electric RigOffshore Unit Type:Ja
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