Safety and efficiency are combined in our mechanical pin locking system for dragline rigging.

You’ll get better wear than conventional fixed pin designs with the EZ RigLok® floating pin and manganese bushing assembly.
EZ RigLok dragline pin locking system
Columbia Steel’s patented* EZ RigLok also features:

  • Hammerless design for safe installation and removal
  • Lock pin can be inserted from either side
  • Designs available to retrofit your existing rigging, or integrally cast into new equipment
  • Tapered lock pin for easy removal
  • Available for most pin diameters
  • Made with our H-Series alloy for high tensile strength and toughness, providing good resistance to abrasion and excellent ability to handle impact


All Columbia Steel parts are guaranteed for proper fit, performance and customer satisfaction.

*Australian Patent Number 2011253753