- Heavy Weight Drill Pipe with Welded Tool Joint OR Integral Type
- 2017-11-10 15:03
- Model Number: 2-7/8" - 6-5/8" Brand Name: Shanxi Fenglei Drilling Tools Key Specifications/Special Features: 2-7/8" - 6-5/8" heavy weight drill pipe per API 7-1 or NS-1Special heat-treatment equipment, superior general mechanical properties.On...