Blast Joint 3-1/2'' JFE Bear Box x Pin L80 flow coupling
Blast joint or flow coupling as a integral joint connection tubular pipe,served to the well drilling connecting the different oil tools.The thread connection can be API standard EUE pin x box and premium thread Hydril CS,TSH 511 or JFE BEAR etc.
The blast joints length is available for 6FT,8FT,10FT,20FT and 30FT or customized production according to customer requirements.