CLASSIC SERIES

Range: 4-1/2 – 13-3/8’’ / 114,3 – 339,73 mm

Unique Feature

  • First generation premium connection

Thread Profile

  • Modified buttress thread form provides improved galling resistance
  • Easy and deep stabbing
  • Reduced cross threading
  • Fast make-up

Metal-to-Metal Seal

  • Cone and cone gas-tight seal

Shoulder

  • Protection against overtorque
  • Additional sealing barrier