Core drill bits make all the difference between a successful concrete drilling job and a flopped one. This is why it is extremely important for you to pick the right one when shopping.
However, that is easier said than done and that is where this guide comes in. Keep reading – there’s a lot for you to find out.
Quality Core Drill Bits: Comparison Table
This guide is going to be detailed and that comes with a lot of reading. If you don’t fancy that, the following comparison table will come in handy as it summarizes our top choices.
5 Best Core Drill Bits Reviews
1. EDiamondTools Dry Core Bit
- Material: Diamond
- Diameter: 2-1/2″
- Thread: 1/2″ Shank
- Drilling Depth: 9.5″
- Feature: Designed for drilling masonry, block and brick
This eliminates the need to make a pilot hole before drilling through the masonry, which saves time and effort. The bit is short enough for you to use it vertically, as well as horizontally.
The diamond-coated tip will prevent your drill bit from overheating when working on tough materials like brick or block, which means that you won’t have to wait an extended period of time between uses.
Customer Reviews
Home Depot Rating- User friendly
- Offers value for money
- Built for durability
- Tends to get dull faster
2. BOSCH HC8555 Hammer Core Bit
- Material: Carbide
- Diameter: 4″
- Lenght: 22″
- Shank Type: SDS-Max
- Feature: Versatile in application with materials including concrete, brick, and block.
The Bosch HC8555 is ideal for drilling in various types of materials such as concrete, brick, glass, stone and masonry amongst others.
It has a unique design that makes it more effective than any other model on the market. As if that is not enough, it has an exceptional durability as well as strength which means it will last much longer than most other models.
Customer Reviews
Home Depot Rating- Highly functional
- Sturdy
- Versatile
- Packaging could be better
3. EDiamondTools Wet Drill Core Bits
- Material: Diamond
- Diameter: 4″
- Thread: 1-1/4″-7 threaded
- Drilling Depth: 14″
- Feature: Designed for drilling hard concrete, masonry, hard brick, and other hard materials.
Their selection ranges from 4 to 16 inches in diameter with a variety of special tips for specific jobs, such as domed or conical.
Of course, this particular product is not any different. We love that it is also one of the most reasonably priced units that will give you value for money.
Customer Reviews
Home Depot Rating- Reasonably priced
- Durable
- Accurate
- Shipping cost could be lower
4. SHDIATOOL Diamond Core Drill Bits
- Material: Artificial diamond and steel body
- Diameter: 18mm
- Lenght: 100mm
- Shank Type: Hex
- Feature: Designed for drilling hard granite, marble, engineering stone, concrete, brick.
You can find various drill bits which are used for different purposes. The most common use of diamond core drill bits is to make holes in hard stones such as granite, marble and concrete. They help you to completely dig out the harder portions of any surface so that you can easily insert a peg or nail into it.
This is extremely helpful if you want to put up shelves or fix anything on your wall or floor. These drill bits for concrete or stone come with sharpened edges in order to allow easy drilling even in the hardest surfaces.
Customer Reviews
- Lightweight
- Multi-purpose
- Easy to use
- Could cut faster
5. Werkzeug Self Centering Hinge Core Drill Bit
- Material: High Speed Steel
- Diameter: 5/64″ – 1/4″
- Pieces: 16
- Shank Type: Hex
- Feature: Automatic positioning center enhance accuracy and efficiency
Werkzeug Self Centering Hinge Tapper Core Drill Bit comes in handy when you want to make holes in your walls or doors. If you want to hang pictures or mirrors on your wall, but you don’t have enough space, this is the perfect solution for you.
Some users have complained that this product won’t last as long, but it certainly a worthy addition to your drilling accessories.
Customer Reviews
- Highly efficient
- Sturdy
- Ideal for beginners
- Not as durable
Buying Guide – How to Pick the Right Core Drill Bits
There are many variables that go into choosing the right drill bit. While some of these variables are pretty straightforward, you still want to be sure you choose the right bits for your project.
Here then are some of the most important factors to consider when shopping for one.
Shape
The shape of core drill bits allows for cutting holes in corners, which is why they are often used in the construction industry when building concrete buildings or homes.
The corners of rooms can be drilled using this specialty bit so that wires, pipes and other important elements can be added later on without having to make any additional cuts in the wall.
Material
When choosing a drill bit, it is important to take into consideration the material you will be drilling. For instance, if you will be drilling through heavy-duty or thick materials, you need to use a strong, durable and powerful bit.
However, for drilling softer materials like wood or plastics, there are special drill bits designed specifically for those materials that have less resistance.
Product Name and Brand
The name of the product itself and the brand associated with it is a good indication of how reliable and effective the product will be when doing various tasks.
A company that makes several different types of products may be more experienced in designing tools for specific uses than one specializing in only one type of product. This is an important factor in determining the quality of the product.
Type
Core drills are available in two main types: twist drills and step drills. Twist drills have ridged edges that cut into the material with each revolution.
Step drills on the other hand, come in sets that are used sequentially to create a hole all the way through a material. While you can use them on soft materials such as wood or plastic, they often break through these types of materials if you’re not patient enough to work slowly and carefully.
The difference between these two types of core drill bits is their cutting structure. The cutting structure’s design is based on two main factors: the material you’ll be drilling through and the size of core drill bit needed to create a hole in that material.
FAQs on Core Drill Bits
Here, we have answered some commonly asked questions about the best core drill bits that we believe will help you get a better understanding.
Q: Can I use a normal drill for core drilling?
Yes, that is possible. All you have to do is go easy on it by letting the drill rest frequently. Get the hammer off then drill the pilot and clean out every few minutes.
Q: Can you use a hammer drill for core drilling?
Yes, you can but it is not advisable.
Q: Should I use water when drilling concrete?
That depends but the thing is that water will help arrest the dust that is generated from drilling. Moreover, the water can prevent your bit from overheating which is a good thing.
Our Top Pick
After assessing all the products, we have chosen the EDiamondTools Dry Core Bit as our top pick. Why? Simply because it is extremely easy to use, and is built to offer durability.
Away from that, it is also one of the most reasonably priced on our list and it doesn’t compromise on quality because of that. This is what is called value for money so you can understand why we picked it.
Final Thoughts
When it comes to picking the best core drill bits there is no one size fits all answer. There are hundreds of different types available, each with their own benefits and drawbacks depending on your particular needs.
Of course, that can leave you confused and overwhelmed but after going through this guide, that should not be a problem. Wouldn’t you agree?