- The machine which Kukdong Industrial Engineering posses is a machine which is applied to production of small diameter but big length product.
The surface roughness is excellent and the productivity is excellent in mass production comparing to other drills.
- . Gundrill is used for drilling the long hole like a gun's caliber.
. The surface finishing becomes soft once the Gundrill passes and Gundrilling is very flexible and effective method for drilling very tight tolerance hole.