Joint filete a couple tres eleve depourvu d'additif

Super high torque dope-free threaded joint


A high torque threaded joint comprising a box member having threads and a pin member having threads (10) configured and positioned to mate with the threads of the box member. There- is a flank- to-flank contact thread profile using trapezoidal threads with both a positive and very low load flank angle, (.beta.1 or a); and a positive and very low stabbin flank (14) angle, (.beta.2, or b), wherein the threads are coated with a solid, dopefree surface treatment.




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