A contractor was revelry challenged with the task of drilling a 16" diameter hole in the digester of a treatment plant in the North Pole, Alaska. The contractor desperately need the core bit over the weekend so that they could do the critical modification during an emergency weekend shutdown of the treatment plant. The Job Required drilling a 16" hole in heavily reinforced concrete. K2 received the request for a bit at 2:30pm on a Friday afternoon and took on the task of manu