Polygonal Kelly Drill Rod Pipe with Taper Small Pitch Thread for Mining And Well Drilling Rig Machine The Kelly Drill Rod is made of alloy steel, and ...
76mm 89mm Water Well Drill Pipe Friction Welding Drill Rod With API Thread Friction Welding DTH drill pipe price / drill rod price 76,89,102,114mm for ...
42 Geological Waterwell Drilling Rod 3Meter in Length Technical Parameters: Φ42 drill pipe wall thickness is 6.5, and the normal size is 1m, 2m, 3m, 4...
76mm 89mm Water Well Drill Pipe Friction Welding Drill Rod With API Thread Friction Welding DTH drill pipe price / drill rod price 76,89,102,114mm for ...