The job
Review the existing quarry drilling system
Forming blast holes in a surface quarry or bench? Review DTH or top-hammer tooling within the existing rig system, including the hammer, bit, pipe, rod or coupling route.
Review quarry drillingWhat to check
Start with the existing rig, hole plan, rock and air or flushing conditions. Review the current tool string and its mating interfaces before choosing a route.
The image shows a working context. It does not indicate that PerfoMax supplies the pictured rig.