5 Inch DTH Drill Pipe

5-inch-api-thread-nc38-dth-water-well-drill-pipe

127mm Reverse Circulation Double Wall Drill Pipe

4 1/2 Inch DTH Drill Pipe

4-1-2-inch-api-thread-3-1-2-reg-nc31-nc35-dth-water-well-drill-pipe

TONGSHUN Customized 60mm D24 HDD Drill Pipe

API 4145H Standard and Sprial Drill Collar

3 Inch DTH Drill Pipe

3-inch-api-thread-2-3-8-reg-dth-water-well-drill-pipe

89mm Water Well Drill Pipe API Thread

89mm thread drill pipe 2.1m connect 121mm tool joint with NC38 thread

Reverse Circulation Double Wall Drill Pipe

50mm Threaded Water Well Drill Pipe

TONGSHUN Customized 102mm NC31 Mining Drill Rod

3 1/2 Inch Water Well Drill Pipe

Product Features: 1.Strictly according to API 5D standard. 2.Pipe body material: High quality alloy seamless pipe of S135 3.Tool Joint: 4137H 4.Safe drilling depth: Within 10000 meters 5.Yield strength: Min 724 Map 6.Tensile strength: Min 793 Map

73mm Threaded Water Well Geological Drill Pipe