2750mm Drill Bit ass'y Page Info Writer Admin Comment 0 Comment Hit 27 Hits Date 24-11-18 14:36 List Content 1. Equipment : 2750mm Drill Bit ass'y2. Customer : South Korea3. Remark : Big diameter of drill bit ass'y. We provide best configuration of roller cutters and quality TCI cutters installed. Next2000mm casing tube 24.11.04