The 8 Best Diamond Drill Bits For Stone (2023 reviews)

The shdiatool diamond drill bit for stone should be able to handle its purpose and duties with ease. This is the max of masonry saws. It is designed for drilling hard granite, marble, engineering stone, concrete, brick. It is very happy with the holes this bit makes in granite and quartz counter top. It has abrasive material on the side to make the hole just a hair width bigger than the whole saw. It cuts very smooth and fast. It is suitable for heavy usage.

This bit can cut concrete and the maximum depth of cutting is 75 mm. It is great for cutting through brick. It does not have a pilot drill but is very easy to guide in without it jumping around using a piece of plywood predrilled to the same size.

Why We Like This:

Works like a charm for drilling graphite kitchen counter top
Worked great drilling holes in sandstone caps to allow conduit for wiring lights
Made cutting a hole through pour concrete a breeze

Best For metal: Drilax Diamond Drill Bit For Stone

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate bit. The drilax diamond drill bit for stone is exactly that - it's a simple bit that hits all the right notes. These bits are incredible for drilling sea glass. They really do drill through rocks. It makes perfect small holes. It is suitable to be used with electric, cordless hand drills, upright drills, flex shafts, and rotary tools such as dremel.

These do a good job and there are plenty of them in case one breaks or gets dull. They work well, don't last super long. It can be used in an elaborate piece of jewlery.

Why We Like This:

Bits are fragile and without flutes
Worked well enough for drilling glass
You can feed water to the drilling spot, always keeping it wet
Works great for small holes in glass

Best For Angle Grinder: Dkibbith Diamond Drill Bit For Stone

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If you often find yourself scrambling for convenient and suitable bit, dkibbith diamond drill bit for stone is your end point. It includes 3 sizes of dry diamond core drill bits for drillingholes with diameter of 1/4“ (6mm), 5/16” (8mm) and 3/8” (10mm), to meetdifferent needs of the hole. The Diamond drill bit is integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface. Although they are designed to be dry bits, they work better drilling wet. It can cut faster and last longer.

These inexpensive bits perform flawlessly in allowing anchors for a shower rod to be placed in glass bath tiles. It comes with a storage case. During drilling, this integrated lubricant will melt to cool the cutting surface, perfect for which lubricant is not applicable.

Why We Like This:

Including portable storage cases for convenient use and store
Great product and easy to use
Diamond coating enhances the drilling speed

Best For Grinder: Mgtgbao Diamond Drill Bit For Stone

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The mgtgbao store contains a series of masonry drill bit sets, concrete drill bit, tile drill bit, diamond drill bit, hole saw set and socket adapter and screwdriver bit sets. The 10PCS 6mm hex shank core design has made it easy to swap out bits and quickly change between different drilling tasks. It fits different styles of drills. You would use these for marble, granite, glass, ceramic tile and porcelain tile. They also come in a nice case to keep them from getting lost.

It comes with a storage bottle for convenient use and store.

Why We Like This:

Nice set of industrial diamond core bits
Diamond tipped drill bit are integrated with wax
Good investment for long term

Best With stand: Cenyb Diamond Drill Bit For Stone

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These bits are more than adequate for "light duty" needs. They would certainly be a LOT more affordable than cute plant pots and only lack a drain hole at the bottom. It fits drills and impact drivers with ease and can drill through tiles easily. It can be used on some tile and it cuts a nice smooth hole without breaking the tile.

The bit does get hot, so take breaks or let the bit cool down. It can be used wet or dry. It can be used as additional cooling to prolong the life of the bit. It can be used on some tile and it can be used as additional cooling to prolong the life of the bit.

Why We Like This:

Good product to have for various materials
Worked for drilling drain holes in coffee mugs
Great fathers day gift and value
Diamond bits hood for drilling hard surfaces

Best For wood: Joeric Diamond Drill Bit For Stone

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If you often find yourself confused about convenient and suitable bit, joeric diamond drill bit for stone should be your first option for buying. It is great for dry drilling holes through hard porcelain tile, ceramics, bathroom tile, granite & marble, masonry, concrete, glass, hard plastic. It is made of carbide and integrated with wax lubricant inside, which can melt while dry drilling and cool the cutting surface. It can be used as additional cooling to prolong the life of the bit. It is suitable for any electric drill, hand drill, bench drill, preventing bits from slipping, improving your working efficiency.

It is a storage bottle packaged together with the porcelain tile drill bits, which is helpful for preventing loss, meanwhile making the bits easy to use and store. You can get a clearer idea of the depth of the work, and the handle has a clear size and joeric brand mark. It is also useful for precise project.

Why We Like This:

Depth mark is also useful for precise project
Ample quantities, can meet your needs
Lot of satisfied buyers

Best For Drilling through glass tiles: Deckrkat Diamond Drill Bit For Stone

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The 1/4" Diamond Dry Core Bits are engineered with diamond segments to provide faster drilling in hard materials applications, such as Granite Tile Ceramic Marble Stone Concrete and Glass with minimum cracking or chipping. It can enlarge holes with the side of the drill bit. It is good for drilling through glass tiles.

These 6mm diamond coated hollow bits are filled with wax inside, which will cool the bit while dry drilling. It is ideal for drilling holes in bathroom tiles to install shower doors, install water filter in kitchen, as well as hobby projects in plant pots, vases or glass bottles. It is compatible with most hand-held drills, stand drill press.

Why We Like This:

Each core drill bits engraved with depth mark useful for precise projects
Lot of satisfied buyers

Best For steel: Brschnitt Diamond Drill Bit For Stone

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The brschnitt diamond drill bit for stone should be able to handle its purpose and duties with ease. It is great for dry drilling holes through hard porcelain tile, ceramics, bathroom tile, granite & marble, masonry, concrete, glass, hard plastic with ease. It is constructed with high grade diamond grit for effortless cutting and improved durability in tough applications. The High-quality core steel body helps to be more efficient and durable, not easy to deform.

Special design of spiral groove at the top of the bit helps for chip removal, Wax inside the drill bit helps for Cooling and Lubrication. It is suitable for any electric drill, hand drill, bench drill, when you use angle grinder, please install angle grinder drill chuck.

Why We Like This: