| Warranty | 6 Months |
|---|---|
| Material | Q345B,35CrMo,27SiMn,16Mn For Drilling Bit; 16Mn/35CrMo For Kelly Bar; Q235 For Tremie Pipe |
| Color | Customized |
| Application | Bauer Sany XCMG Rotary Drilling Rig,Rock Drilling |
| Type | Customerized,interlocking Or Friction Kelly Bar,Kelly Bar |
