Our patented bushing swivels in, swivels out — for fast and easy maintenance without welding or machining. Watch the video:

Columbia Steel's patented swivel ball bushing for dragline stud end links

Don’t send another worn out end link bushing back to the shop for repairs — replace it in the field with Columbia’s swivel ball design.

  • No welding or machining is required
  • Easier maintenance means less downtime
  • Movement in connection helps improve wear life
  • Fits all standard chain, as well as Columbia’s TwistLink®
  • Swivel in, swivel out -- Columbia Steel's patented dragline bushing design