Drilling Depth 20-120m Interlocking Drilling Kelly Bar For Sany Rotary Drilling Rig
Warranty: | 1 Year |
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Material: | Q345B,35CrMo,27SiMn,16Mn For Drilling Bit; 16Mn/35CrMo For Kelly Bar; Q235 For Tremie Pipe,Alloy Steel |
After-sales Service Provided: | Video Technical Support,Online Support,Engineers Available To Service Machinery Overseas,Field Maintenance And Repair Service,Field Installation |