Which drill bit for brick?

Which drill bit for brick? - Fix It Cape Town


Selecting the right drill bit for brick is crucial to achieve clean and precise holes. Whether you’re a DIY enthusiast or a professional mason, understanding the different types of drill bits suitable for drilling into brick is essential for successful drilling outcomes. In this comprehensive guide, we will introduce you to the types of drill bits suitable for brick and provide tips on ensuring clean and precise holes.

Types of Drill Bits for Brick

When it comes to drilling into brick, not all drill bits are created equal. Brick is a tough and dense material that requires a specialized drill bit to penetrate effectively. Here are the types of drill bits commonly used for brick:

  1. Masonry Drill Bits: Masonry drill bits are the most common type of drill bits used for drilling into brick. These bits have a carbide or diamond-tipped head designed to withstand the hardness of brick and other masonry materials. Masonry drill bits come in various sizes and can be used with both electric drills and hammer drills.

  2. Rotary Hammer Drill Bits: For larger holes in brick or when drilling into a particularly hard type of brick, rotary hammer drill bits are the ideal choice. These bits are designed to be used with rotary hammer drills, which provide more power and impact force compared to conventional electric drills. Rotary hammer drill bits have a specialized geometry and are capable of drilling larger diameter holes with relative ease.

  3. SDS Drill Bits: SDS (Slotted Drive System) drill bits are another type of drill bits commonly used for drilling into brick. These bits are specifically designed for use with SDS drills, which have a unique chuck system that allows for quick and easy bit changes. SDS drill bits come in different lengths and diameters and are ideal for drilling larger diameter holes in brick.

Tips for Successful Drilling

Now that we are familiar with the different types of drill bits suitable for brick, here are some tips to ensure successful drilling outcomes:

1. Use the Right Drill Speed and Pressure

When drilling into brick, it’s crucial to use the appropriate drill speed and pressure. Running the drill too fast can cause the drill bit to overheat and dull faster, while applying too much pressure can lead to the bit getting stuck or breaking. It’s recommended to start drilling at a slower speed and gradually increase it as needed. Additionally, let the drill bit do the work and avoid forcing it into the brick.

2. Mark the Hole Location and Start with a Pilot Hole

Before drilling into brick, it’s essential to mark the exact location where you want the hole to be. Use a pencil or a marker to make a visible mark on the brick’s surface, ensuring accuracy. It’s also recommended to start with a small pilot hole before drilling the final size hole. This will help guide the larger drill bit and minimize the chances of the bit wandering off course.

3. Keep the Drill Bit Cool

Drilling into brick generates a significant amount of heat, which can result in the drill bit getting hot and losing its sharpness. To prevent this, it’s important to keep the drill bit cool by applying water or a water-based lubricant while drilling. This helps to lubricate the bit and dissipate heat, prolonging its lifespan and ensuring a cleaner hole.

4. Use a Hammer Drill for Tougher Bricks

If you are working with particularly hard bricks or need to drill larger diameter holes, consider using a hammer drill instead of a conventional electric drill. Hammer drills provide an added impact force, which helps with drilling into tougher materials. The combination of a hammering motion and rotary motion allows for faster and more efficient drilling.


Q: Can I use a regular metal drill bit to drill into brick?

A: No, a regular metal drill bit is not suitable for drilling into brick. It will quickly wear out and become dull. It’s important to always use a specifically designed masonry drill bit or a drill bit meant for drilling into masonry materials.

Q: How do I know which diameter drill bit to use for my project?

A: The diameter of the drill bit depends on the size of the hole you want to drill. Measure the diameter of the anchor or fastener you will be using and select a drill bit that matches the size. It’s always better to choose a slightly larger drill bit if you are unsure, as you can easily fill the excess space with mortar or an appropriate filler.

Q: How often should I replace the drill bit when drilling into brick?

A: The lifespan of a drill bit can vary depending on factors such as the hardness of the brick, the drilling speed, and pressure applied. It’s important to regularly inspect the condition of the drill bit during the drilling process. If you notice signs of dullness, such as reduced drilling speed or increased effort required, it’s time to replace the drill bit.


Selecting the right drill bit for drilling into brick is essential for achieving clean and precise holes. Masonry drill bits, rotary hammer drill bits, and SDS drill bits are all suitable options depending on the size and hardness of the brick. By following the tips mentioned above, such as using the right drill speed and pressure, marking the hole location, keeping the drill bit cool, and using a hammer drill if necessary, you can ensure successful drilling outcomes and achieve professional-looking results in your DIY projects or masonry work. Happy drilling!

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