... R3 Shijiazhuang longway petroleum drill tools CO,.LTD OD2-3/8'' water well drill pipeStandard:API5DP/ISO9001OD:50mm---127mmThickness ... 2. Longway has advance production machines, imported from America.3. Longway produces drill pipes strictly meeting API 5DP and ... , X95, DZ40, DZ50SizeRSDWeightODWall thicknessOD of Tool jointUpsetinchLb/ftkg/mmmmmmm2-3/8NC266.269.3260.327.1185.70EU2-7/8NC319.7214.4873 ...