6 Best Drill Bit for Rock

There are several reasons why you may need to drill through rock. This drilling requires great strength and power as the rock is a hard and solid material. On top of that, if you are not using the proper equipment for boring holes, this task may seem somewhat impossible or tedious.

Moreover, by choosing the wrong drill bit, you may ruin the rock and your project altogether. Therefore, it is important to know which is the best drill bit for rock before involving yourself in any project that requires drilling holes into a rock. 

DIYers pick: Top 6 Best Drill Bit for Rock

While drilling a rock, it is important to make sure you are not cracking up the surface, which will be the result of choosing the wrong drill bit. You also need a drill bit of high efficiency and life expectancy as well as some other necessary features.

In this article, we are going to provide you all the necessary pieces of information regarding the top 6 drill bits for rock. This will help you understand your preferences and requirements regarding the drill bit you are searching for and will also help you understand each feature accurately. 

Top pick Drill Bit

Best SDS Plus Drill Bit for Rock

DEWALT: Best SDS Plus Drill Bit for Rock

  • DEWALT SDS Plus Bits has an SDS-Max type shank that offers a strong core. 
  • The tapered core provides maximum durability and bit strength. 
  • The removal of debris is easier due to the variable pattern of the helix that the two-stage flute offers. 
  • Round, clean holes are effortless to achieve because of the prominent cutting edges. 
  • It guarantees holes of accurate diameter as it comes with a wear mark gauge.
  • Rock-Carbide tip ensures a longer service life through maximizing carbide surface.
  • It has a four-flute construction for debris-free efficient drilling. 
  • The set comes with 5 different size options of 3/16-x-6-1/2-, 1/4-x-4-, 1/4-x-6-, 3/8-x-6-, and 1/2-x-6-inch bits. 

If you are looking for a drill bit for rock that comes with all the necessary features as well as guarantees good quality and longer service life, the DEWALT SDS Plus Bits is what you are looking for. It comes in a set of 5 different sizes of drill bits that lets you perform a variety of operations.

The SDS-Max shank type offers great strength and durability while drilling deep holes into hard materials. The four-flute construction it comes in ensures effortless drilling by getting rid of debris and making clean and round holes. The service life of this drill bit is recommendable because of the carbide-surface contact that the rock-carbide tip ensures.

  • DEWALT SDS Plus Bit guarantees no-break and maximum durability. You will find this drill bit to be an easy-to-use tool because of its debris-removing power. Achieving accurate diameters of clean and round holes is more effortless with this drill bit. You can also use it for various operations because of the 5 different sizes it comes in. it is also quite budget-friendly.

  • Some users have claimed that DEWALT SDS Plus Bits tend to warm up easily while operating. Also, some of the drill bits may not be of the promised quality.

Runner Up Drill Bit

SDS-plus Rotary Hammer Drill Bit for Rock

BOSCH: SDS-plus Rotary Hammer Drill Bit for Rock

  • The BOSCH 7 Piece Carbide-Tipped SDS-plus Rotary Hammer Drill Bit reduces the bit stress with its advanced 4-flute design.
  • The same feature offers faster removal of dust and cooler operation. 
  • Carbide-tipped heads ensure resistance, longevity, and greater performance. 
  • It comes with a 7-piece set of 6 different sizes of drill bits for diversity in operation.
  • The wear mark indicator increases reliability by alerting when the bits wear off and thus ensures cooler operation.
  • The set comes with a storage case for better organization, management, and storage. 

The BOSCH 7 Piece Carbide-Tipped SDS-plus Rotary Hammer Drill Bit is one of the best drill bits for hard stones. It has amazing features that include longevity, uniqueness, reliability, versatility, etc. You can use this drill bit for all sorts of heavy-duty operations with the 6 different sizes of bits it comes with.

The four flute design of this drill bits promotes stress-free operation and keeps the bit cooler and removes debris faster. It is a highly efficient drill bit with great service life because of its carbide-tipped head. The drill bit also has a wear mark indicator that alerts you when the bit is not maintaining its standard specifications. 

  • The BOSCH 7 Piece Carbide-Tipped SDS-plus Rotary Hammer Drill Bit is highly reliable because of its strong build and performing ability. You can use this drill bit for a long time because of the hardness it possesses due to having carbide-tipped heads. The 4-flute design is responsible for faster debris removal and for maintaining the temperature. Lastly, you will find the storage case very helpful for better management.

  • You may find BOSCH 7 Piece Carbide-Tipped SDS-plus Rotary Hammer Drill Bit to be a bit on the heavy side. The performance of this drill bit may not be as promised. And also, the cost of the drill bit is a bit high in comparison to its features.

Best Budget

Best Drill Bit for Hard Stone

AMOOLO: 1/4″ Best Drill Bit for Hard Stone

  • AMOOLO 1/4″ Concrete Drill Bit & Masonry Drill Bit comes in 10 different sizes for versatility and for performing multiple applications. 
  • The carbide heads of this drill bit provide maximum strength and durability. 
  • The build of this drill ensures effortless drilling and precise holes. 
  • The slot design of the bit is U-type so removing dust is easier and more efficient. 
  • The 3-flat shank permits a more stable and tighter hold of the bit to the power drill.

The  AMOOLO 1/4″ Concrete Drill Bit & Masonry Drill Bit is a great tool for drilling stones. If you are looking for a stone drill bit that offers great durability and versatility that too at a comparatively low price, then this one is what you are searching for.

It comes in 10 different sizes of bit. So you can easily operate on different tasks with these bits. The strong build of carbide ensures great strength while drilling and also focuses on providing you with precise holes. Effortless removal of dust is another great feature of this drill bit as is the tight and stable hold due to the 3-flat shank.

  • The AMOOLO 1/4″ Concrete Drill Bit & Masonry Drill Bit is highly efficient and performs greatly even under pressure. It has great versatility and durability as well. You can use this drill for a long time without facing many problems. It can easily remove debris while drilling through materials. And also the power drill can hold the bit tightly because of its 3-flat shank. It also comes with a warranty of 90 days.

  • The AMOOLO 1/4″ Concrete Drill Bit & Masonry Drill Bit may not be of the expected quality. You may find this drill bit of poor quality and not appropriate for heavy-duty operation. It doesn’t come with any storage case, so organizing the bits and storing them may be an issue.

Customer Choice

Best Drill Bit for Stone

WORKPRO: Best Drill Bit for Stone

  • The WORKPRO 8-Piece SDS-plus Drill Bit provides extra strength and power because of its carbide tip build.
  • It is highly versatile due to its 8 different sizes of drill bits. 
  • Great durability, hard and stable head offers faster and effortless operation. 
  • The flute design ensures faster and easier removal of debris because of being U-shaped. 
  • Proper hold of the bit to the chuck due to the smaller groove of this drill bit. 
  • Greater hammering energy and drilling torque due to its larger groove. 

If you are looking for a budget-friendly, multi-purpose, durable drill bit for rock, then the WORKPRO 8-Piece SDS-plus Drill Bit is the right one for you. It has a very strong build and carbide-tipped head which plays an important role in prolonging its service life.

This drill bit comes in 8 different sizes and thus offers you great versatility. It also features a flute design for smoother and faster debris removal. Another great feature of this drill bit is that it ensures greater hammering energy and drilling torque. 

  • You will find the WORKPRO 8-Piece SDS-plus Drill Bit to have a unique design. This design ensures faster drilling. It is highly versatile as it can easily fit any hammer drill. You can use this drill bit for multiple purposes. It is highly durable and reliable because of its strong and sturdy build. Also, you will find this drill bit to be quite budget-friendly.

  • The only problem with the WORKPRO 8-Piece SDS-plus Drill Bit is that not all of the bits provide proper efficiency. For example- the drill bit of ⅜ inch has proven to be quite ineffective and weak.

Premium Pick

Best Hammer Drill Bits for Rock

BOSCH: Best Hammer Drill Bits for Rock

  • The SDS type shank of BOSCH HC2011B25 25-Piece 3/16 In. x 6 In. SDS-plus Bulldog Rotary Hammer Bit has a strong core that increases bit strength. 
  • The 25 pieces of drill bits offer greater versatility.
  • It has an advanced hardening and brazing process that ensures longer service life. 
  • This drill bit can drill through faster than S4L (15% times).
  • It can handle heavy loads due to the carbide tip head it comes with.
  • Each bit can drill more holes due to its unique hardening process.

BOSCH HC2011B25 25-Piece 3/16 In. x 6 In. SDS-plus Bulldog Rotary Hammer Bit is one of the best stone drilling bits available out there. It has a strong core that offers you great stability and durability. The bit strength is also maximised.

The advanced hardening and brazing process that it comes with guarantees great service life and efficiency.  This drill bit also features faster drilling in comparison to most others. It also lets you drill more holes with each bit with its unique hardening feature.

  • BOSCH HC2011B25 25-Piece 3/16 In. x 6 In. SDS-plus Bulldog Rotary Hammer Bit is great for through-hole and anchoring applications. It comes with a set of 25 pieces that allows you a broad area of application. This drill bit has great durability and strength because of its build. It is faster and more efficient while dealing with rocks.

  • There have been several complaints regarding the quality of the BOSCH HC2011B25 25-Piece 3/16 In. x 6 In. SDS-plus Bulldog Rotary Hammer Bit. Some found this drill bit to be fragile and not worthy of the price. This drill bit tends to break its tip after only ⅔ uses. It is a very costly drill bit in comparison to others.

Best Alternative

Best Drill Bits for Hard Stone

Owl Tools: Best Drill Bits for Hard Stone

  • The Owl Tools 10 piece Masonry Drill Bit is a multi-purpose drill bit that provides support to all sorts of operations.
  • The Carbide-tipped heads of this drill bit ensure resistance, longevity, and greater performance. 
  • It is highly reliable and efficient because of its solid build. 
  • The spiral flute drill bit maximises the speed of cleaning debris. 
  • The storage case of this drill bit offers maximum support and effortless organisation and storage. 
  • It comes with a guarantee of a lifetime. 

If you are looking for a budget-friendly stone drill bit that comes in several sizes and provides great performance and efficiency, then the Owl Tools 10 Piece Masonry Drill Bit is the right choice for you. It is a multi-purpose drill bit that you can use for all sorts of operations as it comes in 10 different sizes.

The service life of this drill bit is exemplary because of its carbide-tipped head that ensures greater performance and longevity. Besides that, it also has a spiral flute that makes drilling more effortless due to the faster removal of debris. In addition to all these, it also comes with a storage case for easier maintenance and organisation.

  • You can use the Owl Tools 10 Piece Masonry Drill Bit for all sorts of operations because it comes in 10 different sizes. So it has great versatility. This tool is a great choice for longtime use for the service life it guarantees. Cleaning of debris is faster and more efficient with the spiral flute of this drill bit. Storing the bits isn’t difficult anymore because of the storage case it comes with. Finally, there’s nothing like the security of having a lifetime guarantee on a product.

  • The Owl Tools 10 piece Masonry Drill Bit may not be a good option for heavy-duty operations as there have been complaints about its quality. It sometimes wears off after drilling ⅔ deep holes.

Factors to buy the Best Drill Bit for Rock

You cannot randomly select a drill bit for stone because there are several things and features you need to consider before settling upon a drill bit. The factors are given below-

Construction Material 

The functionality and durability of a drill bit greatly depend on the material it is constructed with. Therefore, it is important to choose a drill bit knowing its material. Hardened steel and carbide are the two most effective materials for drill bits. Because these two can effortlessly resist heat and tolerate high temperatures. However, you should still lean more towards the carbide drill bits.

Drill Bit Type

There are mainly two types of drill bits to consider. They are- diamond cut and slotted drive system (SDS) drill bits. Both of these types of drill bits are highly recommended because of their efficiency and ability to drill through hard materials. 

Drill Bit Size and Number

The size of a drill bit is a very important factor to consider. Because the size of hole you plan on making highly depends on the drill bit size you are working with. The range of drill bit size is 1/32-¾ inches. Remember that each drill bit set comes in a variety of sizes. So the greater the variety the better it will be for you. So, make sure to choose a drill bit set that has a greater range of sizes. The same goes for the drill bit number. You should settle on a drill bit set that has a greater number of drill bits. 

Warranty

You should also consider this factor for security and long-time use of the drill bit. You will find that not all drill bits come with a warranty. As a result, if you face any issues regarding a specific drill bit you cannot ask for a replacement. Therefore, make sure to get a drill bit that comes with at least a warranty of 1 year.

FAQs on Best Drill Bit for Rock

How do you drill a hole in a rock?

In order to drill a hole in a rock, at first, you need to slowly drill on the rock with a little pressure. Now, to make an accurate hole on the hard rock surface, apply further pressure downward. Make sure to apply the pressure keeping your drill a bit straight. Now increase the pressure and keep drilling until the drill bit has reached your desired depth. This is how you successfully drill a hole in a rock without facing issues and with minimum resistance. 

Is there a drill bit for rock?

There are several drill bits for rock. But among them, the WORKPRO 8-Piece SDS-plus Drill Bit is the most appropriate drill bit for rocks. It has a strong carbide build that guarantees prolonged service life and reliability. It is not only faster in operating, but also has great hammering energy and drilling torque. The WORKPRO 8-Piece SDS-plus Drill Bit is also budget-friendly. So, you can get all the necessary features you need in a drill bit for rock at quite a low cost. 

Can a Dremel drill through stone?

A Dremel can drill through a stone, in fact, it can do so quite easily. All you need to do is choose a burr that’s tapered or cylindrical and use a Dremel chuck to set it in. Make sure a flex-shaft is attached to your Dremel for easier application. In case you don’t have one, you can still drill through the stone perfectly but with a little difficulty. Whether you can use a Dremel to drill a stone or not, primarily depends on the depth of the hole you want to create.

Can I drill into stone?

Yes, you can easily drill into stone. However, the ease depends on choosing the right drill bit. Every drill job requires a specific kind of drill bit for a smooth and satisfactory result. For drilling through a stone, you need a drill bit that possesses a blunt head. The head also has wings in order to smash stones. Also, you’ll need to know about the chuck mechanism of your drill before selecting a drill bit as it shows how it will hold the drill bit.

What does a stone drill bit look like?

The look of drill bits of different tasks differs from one another. Because the look determines what type of material the drill bit will drill through correctly and successfully. A stone drill bit has a unique look that consists of a long twist drill. It is also shaped like a tighter corkscrew. The head of this drill bit is arrow-shaped and wide. Therefore, you can easily separate a stone drill bit from others. 

Take the Best Drill Bit for Hard Rock

As mentioned earlier, drilling through rocks can be a difficult task if you are not using an efficient, durable, and sturdy drill bit. So, choosing the best drill bit for rock is the first and most important step. This step not only ensures ease while operating but also guarantees satisfactory operation.

In this article, we have discussed the top 6 drill bits for rock. In the discussion, We have added their features, advantages, and disadvantages for you to understand so that you can select the best among them according to your preference. We have also added a buying guide to assist you even further in this selection process. We hope you find this article helpful. 

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Sam Morgan is a professional interior designer and part-time content writer of Drill Villa. He has done hundreds of major projects and sharing his experience with you. He is a tools lover like drill, drill press, drivers, wrench etc. He used and tested thousands of tools and knows which perform better.

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