An Adapter Sub or Crossover Sub is used to connect one type of thread to another. Available in any combination of Box x Box, Pin x Box, or Pin x Pin. Many different thread types can be involved with different lengths, wall thicknesses, and material types.

Crossover subs

Saver subs


Manufactured to Precision.

Pinnacle carries or manufactures the adapter or crossover sub required for your installation, including:

  • Flange adapter
  • Crossover sub
  • Drill Rod Adapter
  • Core Barrel Adapter
  • Casing Adapter
  • Saver Subs
  • Overshot
  • Taper