Hydraulic Piling Rig Rock Drilling Bucket Q355C Welding For Soft Layer
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                                            ...Piling Rig Rock Drilling Bucket Q355C Welding For Soft Layer Parameter Product Name Drilling Auger Material Q345B Technique Welding Kelly Box Bauer Type 200mm*200mm as usual Teeth B47K-17 or V19 Diameter (mm) Flight Length (mm) Shell Thickness (mm) Center Pipe (mm) Flight Pitch......                                         
                                            Beijing Jietaihongli Technology Co., Ltd.
                                         
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