... requirements, and the tool joints are up to API SPEC7 Standards.Drill pipe Drill Pipe SpecsUpset StyleDimensions(mm)Kg/MBoth Side Weight Gain ... upon producing various oil drilling tools including Drill Pipe, Drill Collar, Heavy Weight Drill Pipe, Kelly,Pup Joint and so on. Our API drill pipes are of ... questions,plz feel free to contact us.TM:cn1001266402Skype:Maggie041713 API oil drill pipe