Double Wall Drill Rod/Drill Pipe for Air-Lift Reverse Circulation
Hebei Shitan Machinery Manufacturing Co., Ltd.Base Info
- Model NO.：89mm,40mm, 127mm,60mm, 168mm,100mm, 219mm,152mm
- Manufacturing Process：Welding and Integral Heat Treatment
- Surface Treatment：Spray-Paint
- Operation Pressure：Atmospheric Pressure
- Material：Structural Alloy Steel
- Trademark：Shitan
- Specification：89mm,40mm, 127mm,60mm, 168mm,100mm, 219mm,152mm
- Origin：China
- HS Code：8431431000
Description