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Best Drill Bit for Breeze Block 

Thanks for taking your time to read our information on the best drill bit for breeze block. These breeze blocks are a funny old thing to work with but they were very popular to work with in the UK. If you drop one it easily breaks, and yet when you want to drill through it, it seems to resist.

Many homes up and down the United Kingdom, have the walls made from breeze blocks. The reasons are that they are cheaper than brick, and because of their size they covered the area much quicker than laying rows of bricks. You will also hear breeze blocks referred to as "block."

So let's have a look at how you can quickly drill through breeze blocks.

What Tools do you need to drill through Breeze Block?

You need to have two items:

  1. A drill/driver with a hammer feature or a hammer drill
  2. Masonry drill bits

What Are the Best Masonry Drill Bits for Breeze Block?

We are going to suggest a choice of three different drill bits. The reason we are giving you 3 choices will make sense as you continue to read through the explanations below.

Dewalt DT6952-QZ Masonry Drill Bit Set

According to all the research we have done, and also through personal use, we have found that it really is hard to beat the Dewalt masonry bit set for drilling through any type of masonry including breeze blocks.

The drill bit diameters in this set include 4mm, 5mm, 6mm, 8mm and 10mm and that range is perfect for drilling for anchors, wall plugs, attaching shelves and most pipework or cable work

The bits have a carbide tip and that helps them last longer than bits without this application.

They are one of the most popular masonry drill bits sets online and get a very high 94% buyer satisfaction rating - the number of reviews shows us just how well these sell, and the high ratings tell us that these are very good.

94% buyer satisfaction based on 5,000+ online buyer reviews

Bosch 2607019581 Masonry Mini X-Line Drill Set

If you want something just a little bit cheaper, then we would recommend this masonry drill bit set from the Bosch brand

You get more drill bit sizes, 7 compared with the 5 from Dewalt and they include sizes 3mm, 4mm, 5mm, 5.5mm, 6mm, 7mm and 8mm

Each drill bit has a hammer drill resistant hard metal tip, so a great choice for working in brick, stone, limestone and block

Again the sizes are a good choice for wall plugs and fixings.

92% buyer satisfaction based on 2,000+ online buyer reviews

Amtech F2800 Masonry Drill Bit Set - Best for Drilling Deep Holes in Breeze Blocks

For anyone who needs to drill all the way through breeze block, you will most likely need a much longer masonry drill bit.

Usually this type of drilling is to try and get an aerial cable, electrical cable etc through from the outside into the house, or to go between internal walls in a house that are also made from breeze block.

The drill best set from the Amtech brand is an affordable masonry drill bite set for that type or work.

You get 3 different diameter sized bits which are 8mm, 10mm and a 12 mm 

90% buyer satisfaction based on 300+ online buyer reviews

How do you drill a hole in Breeze Block?

The best way to drill a hole in breeze block is to start small, and work your way up to the size of hole that you want. The reason that most people want to drill a hole in a breeze block is to put up some something like shelves, cupboards, TV brackets etc.

People will use a wall plug and screws to do the actual fixing of these. The size of the wall plug that you have to use depends on the weight of the item you are hanging. Have a look at the simple wall plug guide below for a better explanation.

drill bits for breeze block

WALL PLUG SIZE CHART

Wall Plug Colour

Drill Bit Size

Screw Size

Yellow

5 mm

6-8 mm

Red

6 mm

8-10 mm

Brown

7 mm

10-14 mm

Blue

10 mm

14-18mm

There are many variations and types of wall plugs available, but the list above is a useful general guide.

Step by Step Guide to drilling through breeze block

Step 1

The first thing to do is to decide which size of wall plug you are going to use. We will assume that we are going to use a red one. The drill bit size for that is a 6mm masonry drill bit. To make life easier, and also to make a neater hole, we are also going to need either a 3mm or a 4 mm masonry drill bit to drill a smaller pilot hole. (The reason we recommend that is that a smaller bit doesn't tend to wander about as much as a larger bit, and keeps the hole at a much better size.

Step 2

So we now have a wall plug in hand and a 3mm drill bit and a 6 mm drill bit. Measure the length of the wall plug. Then measure the same distance against the 3mm drill bit. Put a piece of tape around the drill bit as that will show you the right depth to drill. Repeat that on the 6mm drill bit.

Step 3

Mark the hole where you want to drill. Put the 3mm drill bit into your drill and pick the hammer feature on your drill. (Usually shown by a small hammer on the torque selector) Make sure that the chuck is tight, and you can then drill your pilot hole, which should go through very quickly.

Step 4

Remove the 3mm drill bit and replace it with the 6mm drill bit. (Just be careful as the tip of the bit can get quite hot) Re-drill the hole using the larger 6mm bit until you reach the right depth.

Step 5

Mark the hole where you want to drill. Put the 3mm drill bit into your drill and pick the hammer feature on your drill. (Usually shown by a small hammer on the torque selector) Make sure that the chuck is tight, and you can then drill your pilot hole, which should go through very quickly.

Step 6

Insert your wall plug and tap in gently with a hammer. Once that is secured, you can then screw in the right size screw. In our example a 10mm screw is ideal. You then simply repeat this process depending on the number of holes that you have to drill through the breeze block.

Mistakes to Avoid When Drilling Through Breeze Block

You will know when you are drilling through breeze block because you will see the tell tale signs of black dust. That is because they are made of a mixture of ashes of coal and cement. People also mix these up with concrete blocks. Concrete blocks contain stone or sand and are much better for structural purposes.

Some people can make a few simple mistakes when they are drilling these blocks so we want to offer some helpful advice.

Make sure that you have the right drill.

It is close to impossible to drill through any type of masonry if you don't have a hammer drill, or a drill/driver that has a hammer drill option. A normal rotary drill with no hammer capability will really struggle to get through masonry, and in most cases, it will never get through something as hard as brick or concrete.

Check if plaster or plasterboard is covering the breeze blocks

In many homes breeze block has been used to make interior walls. These are then either plastered, or covered with plasterboard and then plastered. That means the first few mm will be quite soft and easy to drill through. Plaster is really easy to drill through, and then you will hit the breeze block.

We always recommend not using the hammer setting when drilling through plaster, as it tends to cause small cracks, and also allows the drill bit to wander. It is better to start with normal drilling, and only engage the hammer function when you reach the breeze block.

Breeze blocks do tend to crumble

If you are drilling a hole into a breeze block, the block can start to crumble, and it is hard to get a tight fit for your wall plug. A good tip if that should happen, is to dip the wall plug into glue before pushing it into the wall. You can then leave it for 30 minutes and you will find that it is much more solid.

Always drill a smaller hole first

It is always wise to start small and work your way up through the drill bit sizes. Yes, that will take a little bit longer, but you completely avoid the risk of drilling too big a hole for your wall plug. If you do this task everyday, then you will know the right sizes. However, if you only do this a few times a year, it is all too easy to forget.

We would recommend a small hole first as it is easier and neater to drill. The larger drill bit will then follow the existing hole and make that hole much neater as well.

How to avoid wander

Wander is a term used when a drill bit doesn't go in the exact position where you want it to. This can happen a lot when drilling through any type of wall. You line the drill up, and then when you squeeze the trigger, the bit moves just a little and as such wanders off. It is very frustrating.

To avoid this we always recommend turning off the hammer feature. We also recommend using a small 3 or 4 mm masonry bit first. Start as slow as your drill will allow just to make that initial small indentation. Once you have that, then you will never have to worry about wandering.

Is it easy to drill through breeze block?

It is very easy to drill through breeze block as long as you have a drill with a hammer feature, and the right size of masonry drill bit. The hammer feature is needed as it delivers a rotational drilling action, and also a bumping or hammering action (bpm) on the end of the drill bit that breaks down the breeze block.

What is the best fixing for breeze block?

The best fixing for breeze block is the simple wall plug. Just make sure that you pick the right size depending on what you are hanging to the wall, and then drill the hole to accommodate that size of plug. (Usually 1-2 mm drill bit size smaller than the diameter of the wall plug) 

 

How strong are breeze blocks?

Breeze blocks are not in most cases strong in a structural sense. Concrete blocks are better for wall structures that will bear any type of load. Breeze blocks are used for walls that are more decorative in style.

 

How do you attach wood to breeze block?

The easiest method of attaching wood to breeze block is to use wall plugs and screws. You drill a hole or holes using a hammer drill and masonry bit and insert wall plugs. You can then drill a smaller hole through the wood, and line that up with the wall plugs, and attach using a suitable sized scew.

 

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