Wedge 667®


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Roller make-up confirmation band. Threads run-out to pipe body for 100% axial efficiency.
Two steps of Wedge threads with dovetail profile provide exceptional torque capability.
Intermediate metal-to-metal seal interlocked between two steps. Seal rated to 100% external and internal pressure, maintaining gas sealing capacity under high combined loads.
Primary metal-to-metal seal rated 100% internal pressure.

The TenarisHydril Wedge 667® connection was designed for HP/HT and deep well applications. With wear resistance in mind, it features two metal-to-metal seals. The two step profile with patented step-to-step Wedge provides exceptional high torque capability and locks the intermediate seal in place. Tested according to API RP 5C5:2017 CAL IV protocol, this connection has the slimmest coupling OD in the market and is able to achieve 100% pipe body performance envelope. TenarisHydril Wedge 667® connection comes with Dopeless® technology.


  • Available in 7"-14"
  • Slimmest coupling OD
  • Two steps of Wedge threads with dovetail profile
  • Tested in accordance with API RP
  • 5C5:2017 protocol
  • Primary metal-to-metal seal rated to 100% internal pressure.
  • Intermediate metal-to-metal seal rated to 100% internal and external pressure
  • High torque/over torque capacity
  • Comes with Dopeless® technology


  • HP/HT & Deep Wells
  • Deepwater
  • Extended reach wells
  • Liners
  • Tiebacks
  • Intermediate casing
  • Production casing

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