Welcome to Core-Drill-Bit.com.
Social home of Carolina Precision Core Drilling where our small core drilling company presents the very same brand of core drill bits we use on the job every workday on construction projects. We offer both sales in new, medium bond, wet use, core drill bits from sizes of 1-inch to 14-inches. Live posts, project pictures, job site videos, and information about our concrete core drill bit wholesale prices and products, and our concrete core drilling service.
Our Brand, BlueFlag, has specially designed core drill segments giving our bits a smooth, self-sharpening cutting edge when drilling through rebar, metal-reinforced concrete or cement block walls and floors. With our brand of core drill bit cutting rebar is as swift as cutting cold butter with a hot knife. No matter the size of rebar our diamond embedded teeth chew straight through to produce a clean, perfectly round core drill hole in any reinforced concrete wall or floor Fresh and recent posts about our products and services. Real pictures and articles about BlueFlag bits in action on both homeowner, general contractor, and sub-contractor projects.
Core drilling services only available in the North Carolina Area.
View our posts and see what our core drill bits can do.
Core drill Bit products are available nationwide in the USA.
Standard drilling depths up to 14-inches. Hub thread 1 1/4 x 7 for larger sizes. 5/8 x 11 for smaller sizes. 10 mm diamond teeth.Safe and secure shopping. Fast Processing and Delivery.

Core drilling services
3 inch
Richmond Virginia core drilling
- $250 Spreading our wings and expanding our core drilling service to Richmond, Virginia. This is a small commercial core drilling job we took on that happened to be located on Fitzhugh St. The task to drill three 3-inch holes in a pre-cast floor ...
Core drilling services
1 inch
core drilling 1 inch holes for anchor rods
- $140 On a perfect sunny day in late Feb 2021, we set about core drilling 1 inch holes for anchor rods for some new very large transformers that were to be installed at the Baytree Solar farm in Harrells, NC. Normally core drilling a 1-inch hole ...
Core drilling products
6 inch
Core drill 6-inch hole in hollow cement wall
- $220 Hanging off the wall just in a precariously dangerous place is our rig as we complete a Core drill 6-inch hole in the hollow cement wall that we are attached to. This particular project was for a local micro-brewery with a very cool name a...
Core drilling services
8 inch
core drilling in concrete walls in south carolina
- $386 Another project where we performed some core drilling in concrete walls in South Carolina. This is an eight-inch core drill hole that was cored in a drain basin that connected to the main sewage lines for the city of Fort Mill, SC. Not a ve...
Core drilling services
6 inch
six inch coring in reinforced concrete commercial walls
- $550 Sometimes when core drilling you run against a fairly tough concrete wall. This wall had 1 1/2" steel reinforcing rebar every 13-inches embedded into the concrete. Right in the location that the plumbers need a six-inch core drill hole thro...
Core drilling products
5 inch