Core Drill Bit (Guest)

Publish date: 2020-04-23 21:53:42 | Contact Name: nccoredrill | Phone: 704-245-0119 Location: Charlotte NC | 365 times displayed

6 inch core drilling bit for concrete concrete walls and floors. This is us in 6 inch core drilling hole in a hospital boiler room wall that happened to be close to 48 inches thick. It took three 12 inch 1 1/4 x 7 tpi threaded core drill bit extensions.