Best Drill Bit for Porcelain Tile in 2021

There is nothing satisfactorily than maintaining the natural beauty of your tile, especially when they’re left untouched. However, you may decide to have a towel rack fix in your house porcelain tile or the need to replace a broken tile in your tile set may arise.

Although porcelain tiles are hard, still, they are prone to break easily when handled by an inexperienced or non-patient person. But, enthusiast and hobbyist find it easy to fix, only when they’ve the perfect tool within their reach.

The drill bit, if the best and exact one that matches the job to be done is purchased, can make the cutting and fixing of the porcelain tile easy.

What is a Drill Bit?

This is a circular cross-section cutting tool used to make holes in tiles and other materials. It is of different types, and available in varieties of shapes and sizes. Thisitem is easy to use and gives a professional cutting when used by a patient and experienced user.

How to Choose the Best Drill Bit for Your Porcelain Tile?

Getting the best tool that suits your porcelain tilecan be challenging, especially whenyou don’t have any prior knowledge about the tool. And that’s why we willbe provided you withall the necessary information needed to acquire the best drill bit for your porcelain tile, which are discussed in detail below.

Let’s begin!

What is the Bit Design?

Among the prominent features needed to consider before settling for your choice of the drill bit is to determine where to use the drill bit or what to use it for. This will lead us to the type of material used to design it.

Themost used types of the drill bits are the carbide and diamond type, each designed for a specific purpose.

1. The carbide bit

This isthe ideal choice for industrial works, due to its exceptional strong designed and quick drilling speed. Plus, it requires lesser pressure to cut through the hardest surface and its cuts are always smooth. However, if extreme care is not taken, it may sleep easily and injure your tile surface. Which is mostly considered as its downside.

2. The diamond bit 

Thediamond drill bit is strictly designed for DIYs enthusiasts as it’s safe to use and won’t cause anydamage to your tile. It canwithstand heavy duty usage bycutting all types of materials easily without tiring you out.

Also,  youwill find it easy tomakebigger holes on any type of materials to be drilled. In general, they are durable and deliver excellent results.

What of Shapes and Sizes?

Another paramount feature needed to consider when buying the choice of the drill bit is the style (shapes and sizes) of the drill. Present in our guide are the stronger carbide tungsten drill bit and the diamond drill, which are the most widely used drill. The diamond drill comes either has a core drill bit or blunt nose.

1. Core drill bit

These are strong and fast drill bits designed with a diamond lining at the edge. This will enable the material to be holed to exhibit the shape of the core other than exhibiting the shape of the entire drill bit.

The core drill bit is mostly suitable for towel racks installation other than porcelain tiles.

2. Blunt Nose 

The blunt nose is special drill bits designed for tile and porcelain decoration. The tip of this bit comes with lined diamonds including the edges and sides. They are capable of drilling holes through their body shapes.

What of Number and Size?

The number and size of the drill bit is also another factor to look into. The choice of bit sizeto buy is directly dependent on the size of the hole to be made on the materials. The size may be as small as 1/8 inch while some may even reach ¾ inch.

However, if you’re unsure of the size of the hole you intend to make on the material, buy the set drill bit instead of buying one bit at a time.

What of Budget?

Talking about the features without mentioning the price tag is incomplete. Although the price of the drill bit varies, however, all the product available in our guide are affordable.

There are some whose price tag is meant for thosewho have a deep pocket, still, users who value professionalism cannot afford to lose this kind of drill. This is due to their exceptional abilities and high-quality materials.

Is It Durable?

As an expert, all the available crafted drill bit in our buying guide will last you for a longer period. However, the extent of serving you depends on how often you use it and maintenance. To prolong the lifespan of the drill bit, you are advised to add water to it during drilling.

This will serve as a coolant and prevent overheating. However, on a serious note, a good tool should last you for years without harming you or developing a fault.

To save you time and effort, we’ve handpicked 5 of the best drill bits for porcelain tile available in the market, which are reviewed below.

5 Best Drill Bits for PorcelainTile

Image Product Name Best Feature

SHDIATOOL Diamond Core Drill Bits 2PCS 1/4 Inch

Best Overall

Bosch HDG14 1/4 In. Diamond Hole Saw by Bosch

Most Durable

Drilax Diamond Drill Bit Set 3/16, 1/4, 5/16, 3/8, 1/2 Inch Drilling Tile Glass

MostPocket Friendly

Drilax 30 packs SET 10 packs

Most Versatile

DEWALT Tile Drill Bit, Diamond Tip, 1/4-Inch (DW5572)

Most Unique

1. SHDIATOOL Diamond Core Drill Bits 2PCS 1/4 Inch Best Overall

The first and the best drill bit available in our buying guides are the SHDIATOOL diamond core. Suitable for all drilling style, this drill bit comes with a 2packs and 1/4 inch vacuum brazed diamond drilling. It also has a 5/8-11 connection which makes it suitable for porcelain ceramic tile cut.

Aside from this, this tool iscapable of drilling dry/wet porcelain tile marble stone, masonry brick, and normal stone,quick and perfect. This is made possible thanksto thediamond grain material used in designing it.

Again, its total height of 62MM, maximum working depth of 35mm, and diamond height of 10MM make users who value professional work crave for it. The drill is safe and easy to use as it comes with a wax that helps in cooling it.

This also protect the tilefrom getting fractured if less pressure is applied toit whiledrilling. Although this tool requires an adapter fitted to work perfectly, yet, you will get amazed with the quality of its service.


  • Easy to set-up.
  • Safe to use
  • Causes no breakage your tile if handled gently
  • Can work for a longer period due to its vacuum brazed technology.


  • Price is not friendly for low-income earners.
  • Cannot drill attachment found behind the tile.

2. Bosch HDG14 1/4 In. Diamond Hole Saw by Bosch Most Durable

Bosch products are widely known in the drilling community and Bosch HDG141/4 Inches is not an exception. This durable drill bit has more than enough features that overwhelm its price tag.

To begin with is its vacuum-brazed diamond grit cuts which make it cut/ drill faster and also enhances its durability. It incorporates a segmented tooth which helps to keep the environment clean by reducing debris, particles, and heat. You can remove the plugged material easily and quickly on this Bosch drill without any hassle.

In furtherance of its amazing features, it has has a returnable feature within 30 days of purchase. Contrary to most drill bit of the same price tag with Bosch product, it is easier to set-up and givequick results. Itwill quickly cut through the hardest materials including porcelain, granite, and others without developing any fault.

Again, irrespective of the design you want to make on your tile, the quick change universal hole saw a system of this Bosch drill allows you to change to any size or type of hole saw. Within a short time frame.


  • Well built and durable.
  • Can work in many Jobsite without compromising qualities.
  • Has flutes that continuously supply water to the bottom of the hole.
  • If used with patience, there won’t be any sign of wear on the diamond cutting surface when you finish drilling.


  • Requires a special centre attachment that was not stated earlier on the package.
  • It is not affordable for extreme low-budget earners.

3.​ Drilax Diamond Drill Bit Set 3/16, 1/4, 5/16, 3/8, 1/2 Inch Drilling Tile Glass​ – MostPocket Friendly

Drilax is a cheap, yet, easy to set-up diamond set drill with 3/16, 1/4, 5/16, 3/8, 1/2 Inch sizes. This different sizes of this drilling tool make it unique and useful in drilling  holes ofany size in tiles. Also, it’s extended length makes it possible to drill thicker and harder tiles easily, which some bits find difficult to do.

However, for safety and accurate result, it is advisable to read the guide or start at an angle. You also need to add coolant (water) to it at the interval whiledrilling. This will make it cool throughout drilling thus, preventing breakage of tiles and also enhance ease of drilling.

This drill bit can fit into standard cordless rechargeable, corded electric drills, upright, and other rotary tools perfectly. This makes it useful in any location and sites. Just like few other good drill bits, Drilax can also cut porcelain tiles, granite, ceramic, glass, marble, slate, and many more stone types easily without using a pilot drill.

Lastly, to fully exploit this tool, it is advisable to use protective.


  • It is an ideal of drill choice for low-income earners.
  • Doesn’t require centre pilot holes.
  • This drilax toll can also drill thicker object without any hassle.


  • If water is not constantly supplied, this electroplated diamond coating tool will get hot and wear off.

4. Drilax 30 packs SET 10 packs Most Versatile

Just like the former Drilax drill bit, Drilax 30 packs is a more stableand versatileas it has 1mm 10pcs, 2mm 10 pcs, and 3mm diamond drill bit. It has a cylindrical burr kit jewellery beach sea glass shells and gemstones lapidary 30pcs of 1 mm, 2 mm, and 3mm (1/8″).

This makes it a valuable drill bit for jewellery designers and other users who are into clean holes drilling.However, this tool must be used carefully and submerged in a little pool of water to avoid damaging your tile. As it is very strong and fast in drilling action.

JustlikeotherDrilaxdrilltools, it can be used with an electric cord, cordless hand drills, flex shafts, upright drills, and rotary tools. Regardless of your financial capacity, you will surely make it in purchasing this tool as it is affordable.


  • Versatile and stable.
  • Affordable.
  • Suitable for beach glass, jewellery necklaces earrings, bracelets with seashells, and pendants design.


  • Doesn’t come with sufficient information needed to couple and use it.
  • If you’re not experienced or patient enough, you may break the porcelain tile while drilling.

5. DEWALT Tile Drill Bit, Diamond Tip, 1/4-Inch (DW5572) Most Unique

The last in number but not in function in our list of available drill bit product is the Dewalt tile drill bit ¼ diamond tip. This drill tool is unique that it is ranked among the best drill bits available in the market and it comes with a guaranty period of 30 days.

The presence of the diamond welded tip of this drill gives it extra-strength and adds to its durability. It incorporates a reverse spiral thread that enhances the continuous outflow of water and increased speed. All these work together to complement functionalities.

Talking the unique feature of this drill bit without mentioning its core ejection slot is incomplete. This helps to remove any dirt and also prevent it from repetitious holing.

Note: users must have in mind that this drill is only useful while using it with water, otherwise, it will cause damage to the tile being drilled.


  • Extreme patience must be taken to have a nice cut
  • Requireslittlepressurebutanadequatesupplyofwatertodrilleasily.
  • Features a returnable policy within the first 30 days of purchase.


  • It may take several minutes to drill some harder materials to end.

How to use the drill bit on porcelain tile

1. Pre-drilling

Now that you’ve acquired , the best drill bit for your project, the next thing is to put on protectives. These will guarantee your safety throughout use and are:

  • Apron which is used for the prevention of dirt in gaining entry to your normal inner kit.
  • A pair of safety goggles to prevent you from any eyes hazard.
  • A pair of gloves
  • Head cover, and the booth is also necessary.

    After puting on these protective gears, you can then proceed to unpack the purchased drill bit. Also, the subsequent reading of the manual will help you understand how to use the tool, especially if you’re new to drill bit usage.

    Then put some materials like drop sheet, lubricant, and masking tape in place. These materials are designed to ease your job, complement your safety, and extend the life span of the tools. They will also save the tiles from getting damaged.

    2. The Drilling Process

    Step one

    Begin the drilling process by first measuring the exact place to be drilled with subsequent marking using the masking tape. This will give you a smooth and perfect drill has it prevents you from drilling outside the marked area.

    Also, other materials like drop sheet are used to keep the environment clean and tidy by collecting dust and other particles during drilling. And again, you will need to apply lubricant which serves as a coolant for the drill tip. The coolant also helps in preventing the tiles from damages by averting overheating.

    Step two

    After this, you can then use the drill bit to break through the harder outer surface of the porcelain tile. Mind you, extreme care must be taken here as the drill bit is always sliding in nature while the tile is also smooth. Otherwise, you’re risking breakage of the tile or getting an unprofessional job done.

    Step three

    After this, you begin the drilling process by holding the drilling machine firm and apply pressure. Start drilling at a very slow speed, then increase it gradually to the medium speed. But don’t exceed the medium speed to avoid negative consequences.

    However, as you drill, pause at the interval and add water to the tip and the part to be drilled to make it cool. This will prevent unnecessary breakage and fracture of the tile.

    Also, always keep a close watch at the porcelain and stop only when you’ve gotten to the backside of the tile. Once you reach here, you must be vigilant and extremely cautious in drilling through the mounting surface of the tile.

    N.B: Be careful not to rest on the already drilled tile if you’re fixing wall rack. Otherwise, the tile will crack. Also, here’s a video on how to use a drill bit on porcelain tile.

    Frequently Asked Questions

    Must I use lubricant during drilling?

    Yes, it is a must to use lubricant during drilling of porcelain tile. This will help to prevent overheating which may cause breakage and/ or leave an unprofessional cut. This is because the lubricant helps to cool the drill tip.

    Aside from this, it also keeps the environment clean by forming paste and binds the accumulated particles and other dirt.

    How long does it take to finish drilling a tile?

    There is no specific answer to this. As this depends on how patient and experience you are. However, from a general point of view, the average drilling of tile should be within the range of 4 – 6 minutes. For an average thick tile. However, thicker porcelain tiles may attract additional time.


    We have come to the end of the guide and we are pleased to form you that the best drill bit for porcelain is the one that durable and delivers a professional cut. However, before you buy one, it is advisable to know where you want to use it, either hard or frequent work, or for a mere job.

    In general, you shouldn’t forget that during drilling, the addition of water should not be underestimated. This will prevent damage that may arise from overheating has it serves as a coolant and also makes the cutting of the tile easy and friendly.

    Our best drill bit pick for the best porcelain drill bit is SHDIATOOL diamond core drill bits. This tool is durable, versatile, safe to use, and can cut different materials within a short time frame. Aside from this, its end drill and cut is smooth and little pressure and knowledge are required to use and set it up.