The 9 Best Granite Cutting Bits (2023 reviews)

The shdiatool granite cutting bit is capable of outshining several other bit featured in this list in overall features. This bit could cut concrete and the maximum depth of cutting is 75 mm. It easily operates on a 5/8"-11 angle grinder. It will make fixtures fit on a rock surface. It has successfully cut through it without damaging the drill bit. It has abrasive material on the side to make the hole just a hair width bigger than the whole saw.

This is a much better tool for boring holes in granite than traditional diamond hole saws. The bit has slots on the sides that make popping out a stuck core very easy. It will make fixtures fit on nearly any rock surface. The max drilling depth of this bit is 75 mm.

Why We Like This:

Fairly aggressive and tends to jump at the start
Made inserting and removing the saw a breeze
Made cutting a hole through pour concrete a breeze
Works like a charm for drilling graphite kitchen counter top

Best For Ceramic: Dkibbith Granite Cutting Bit

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Next on the list, we've got yet another bit that manages to win our hearts. It's the dkibbith granite cutting bit and it's widely considered as bit that has the most suitable features. DIY’ers and craftsmen such as electricians, plumbers, heating specialists will find this a very useful hole cutting tool for installing electric switches in walls and floors, water pipe, waste pipes, gas nozzles, air-conditioning, vents, and more projects. It is ideal for cutting through all types of tiles, as well as other hard and brittle materials like marble, granite, hard ceramic, brick, block, stone, cured and reinforced concrete faster and easier than other tools.

The Vacuum brazed diamond core bit chews through materials with ease and minimal wear. It can be used on angle grinders, power drills and other machines which accept a 3/8" hex shank tool. It is recommended for drilling brittle materials such as bricks, because the water will turn the dust into mud and slow down the speed. It is a great tool to add to your collection for cutting holes for split ac units plumbing, shower/tub grab bars, shower plumbing, faucet and more projects.

Why We Like This:

Work with angle grinders and electric drills
Excellent hole saw for rough materials
New and hot release

Best For Porcelain: Deckrkat Granite Cutting Bit

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Next on the list, we've got yet another bit that manages to win our hearts. It's the deckrkat granite cutting bit and it's widely considered as one of the best convenient bit you can buy. It is good for 1 piece of heavy-duty diamond core drill bit. It is built with 5/8-11 female thread arbor for easy installation on angle grinders and wet polishers. It is perfect for ro filter installationlation. It fits 4” grinder or drill, cuts clean clean. The drill bit is great and the diamond pieces stay attached. It is suitable for both dry and wet drilling.

Why We Like This:

Must have for drilling granite countertops
Work with angle grinders, wet polishers and drills
Operating speed is between 1800 and 2500 rpm

Best For glass: Dkibbith Drydiamond Drill Bit

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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. It takes a steady hand to keep the bit in place.

Why We Like This:

Fit a variety of quick-change chucks, drills or drivers
Great product and easy to use
Including portable storage cases for convenient use and store

Best For faucet: Dtdiatool Granite Cutting Bit

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The dtdiatool granite cutting bit gives the top-tier bit a run for their money by offering flagship specs at a much more affordable price. The drill bit is suitable for 5/8" arbor angle grinder. Vacuum brazing technology makes the diamond firmly bonded to the matrix, and the diamond exposure is higher, the processing efficiency is higher, and the service life is longer. It is easy to use and easier to use with a little water. The chip drain design of both sides makes the escape of chips or other particles of the drilling quickly removed. They also come with an adapter for a drill. It is great with the grinder and a little pressure.

Why We Like This:

Makes the diamond firmly bonded to the matrix, and the diamond exposure is higher
Finger bits for grinding, enlarging or shaping holes
Great set of hole cutters, for ceramic tile
Nice tool for diy, works well, good quality for the money

Best For Dry Or Wet Drilling hard Granite: FACHLICH Granite Cutting Bit

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The fachlich granite cutting bit is suitable and reliable and fits well with your daily usage. It is designed for dry or wet drilling hard granite, marble, engineering stone, concrete, brick and fixed on angle grinder with 5/8-11 thread. Vacuum Brazed side protection offers clean cut & steel core protection. It is suitable for 5/8"-11 thread angle grinder.

Why We Like This:

Laser weld technology-more aggressive and durable
Lot of satisfied buyers

Best For wall: Brschnitt Granite Cutting Bit

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Brschnitt makes beautiful and great bit with classic and smartly choosen materials. It is great for dry drilling holes through granite marble hard stone reinforced concrete brick block counter top, using water could prolong the lifetime. It creates a fast and stable drilling, so you can drill smoothly with no broken edges. The bit cuts quickly and cleanly. It offers clean cut & steel core protection.

The maximum drill depth is about 3 inch, and works great for dry drilling holes through Granite Marble Hard Stone Reinforced Concrete Brick Block Counter Top, Using water could prolong the lifetime. It can be used with handheld drills, and requires an adapter.Choose the corresponding size according to the diameter of the hole you want.

Why We Like This:

You can core granite without water
Lot of satisfied buyers

Best For creating holes: Bisupply Granite Cutting Bit

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Not everyone likes to purchase bit for their daily usage, but the bisupply granite cutting bit would be an anomoly. Diamond tipped drill bits for concrete, granite, and more are made of thick steel. It features diamond crusted cutting segments and cutout sides for fast cutting. It is perfect for tile installers, plumbers, construction workers, and average diyers. It is designed for creating holes in granite alloy, marble, concrete, cement, brick, engineering stone, and more.

Easily create holes or cut out templates with these core bore drill diamond bits for drilling machine. The 0.6 -inch (1.5cm) wide diamond grain cutting segments provide fast and smooth drilling, while the 0.3 by 1.2-inch (0.8 x 3cm) holes help prevent build-up.

Why We Like This:

Lot of satisfied buyers
One of the new comers and featured product

Best For steel: Lonsge Granite Cutting Bit

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The lonsge granite cutting bit's material feels more premium than its price would suggest. The Vacuum Brazed diamond technology makes the diamond grains permanently brazed to the edge of drill bits, unbreakable and extremely heat resistant. It is suitable for dry/wet drilling of ceramics, tiles, porcelain, granite, marble, stone, masonry and other similar materials. It comes with the thread of 5/8-11, widely used in angle grinder, very easy to operate. It is made of high-strength steel and high quality diamond grains, which provide fast and smooth drilling, not easy to wear, break, and longer service life.

The Tile hole opener set includes drill bits for both wet and dry use to meet your various needs, it is recommended to add water when using to prolong the service life. The vacuum brazing technology makes it highly thermostable and durable to use. It is easy to carry, store and protect the diamond core drill bits.

Why We Like This: