drill pipe Standard: API 7 and API spec. 5D O.D 2 3/8, 3 1/2, ... /8 Steel Grade: E75, X95, G105, S135 drill pipeapi drill pipe:well drill pipeAPI 7 and API spec. 5DSpecification: O.D 2 3/8 ... , 200XT, &300XT, BOTN3000, ARMACORMApplication: using for oil well drillingO.D.GradeWall ThicknessUpset Ends,For welded-on Tool JointsTool Jointinmminmm3 1/288.9E.X ...