What are diamond core bits?

Diamond core bits are a type of tool used to cut holes into concrete surfaces. They are often used in construction and demolition projects to create openings for pipes, ducts, and other building utilities.

The use of diamond core bits is crucial in maintaining the strength and integrity of the concrete structure, as well as providing a precise and clean cut.

Now, we will discuss the steps on how to use diamond core bits on concrete.

Step 1: Determine the size of the hole you need

Before starting the cutting process, it is important to determine the size of the hole you need. This will help you choose the correct size diamond core bit for your project. Measure the size of the hole you need to make and purchase a diamond core bit that matches the size of your measurement.

Step 2: Mark the cutting area

Using a pencil or marker, mark the area of the concrete where you need to cut the hole. This will help you keep track of your cutting progress and ensure you are cutting the right spot.

Step 3: Prepare the concrete surface

Before using the diamond core bit, make sure that the surface of the concrete is clean and free of any debris or dust. You can use a broom or vacuum cleaner to clean the surface.

Step 4: Attach the diamond core bit to the drill

Attach the diamond core bit to the drill that you will be using. Make sure that the diamond core bit is securely fastened to the drill so that it does not come loose during the cutting process.

Step 5: Start drilling

Start drilling the concrete surface at a low speed and gradually increase the speed as the diamond core bit starts cutting into the concrete. Keep the drill level and make sure that the diamond core bit is perpendicular to the surface of the concrete.

Step 6: Stop drilling and remove the core bit

Once you have drilled the hole to the desired depth, stop the drill and remove the diamond core bit from the concrete. Take care when removing the diamond core bit as the concrete may have become hot due to friction.

Step 7: Clean up the hole

Once you have removed the diamond core bit, clean up the hole by removing any concrete dust or debris. You can use a broom or vacuum cleaner to clean the hole.

Step 8: Repeat the process as needed

Repeat the process if you need to make additional holes in the concrete surface.


Using diamond core bits on concrete is a simple and efficient way to cut precise holes in concrete surfaces. Following these steps will help you to use diamond core bits on concrete safely and effectively. Remember to always wear protective gear such as safety glasses and gloves when using power tools.

Diamond core bits in China

Do you need new core bits, concrete saw blades or other diamond tools? If so, BSP Diamond Tools can help. Contact us today for all your diamond tool need.

Read our blog –How to Cut Concrete with an Angle Grinder? To learn about concrete cutting.




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