The 8 Best Granite finger Bits (2023 reviews)

The bit is a must have accessory for your daily purpose. It is great to enlarge holes for a sink. Not only does it work fast and almost effortlessly it also leaves a very smooth finish to the porcelain sink. It is designed to make holes but be designed to shape and enlarge existing holes. It replaces the cutting/grinding disc on your grinder just remove the disc, the arbor adapters and screw the bit directly to your grinder with a 5/8" threaded stud. It cuts very fast. It has flats on it to facilitate mounting. It is perfect for enlarging holes in ceramic sinks or other types of stones counter etc. This is the perfect bit for making a faucet hole bigger.

Why We Like This:

Any standard grinder, and can be used with or without water
Come in handy for crafting with ceramic tiles
Excellent product to enlarge the hole
Enlarge, shape and round bevel existing holes in porcelain, hard ceramic, marble and granite

Best For glass: Mgtgbao Granite finger Bit

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The mgtgbao granite finger bit should be able to handle its purpose and duties with ease. This bit mounts onto an angle grinder. It effortlessly cuts through hard materials without causing any chipping or cracking. It feels very solid and has a nice even coating all the way around. It is used to enlarge and smooth the opening. The water keeps the bit cool and washes away the debris for a cleaner cut.

A 5/8"-11 X 3/8" shank adapter is used to permit the use of a cordless hand drill. This bit would also work well on marble and ceramic tile. It is made from good quality materials. It is a good quality and will work well for your projects that require this type of milling bit.

Why We Like This:

Worked well on a ceramic pot
Makes quick work of shaping or beveling holes
Makes a tedious job enlarging a hole, easier and quicker
Good heavy bit, works good on granite

Best For faucet: Dtdiatool Granite finger Bit

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The dtdiatool granite finger bit should be able to handle its purpose and duties with ease. The chip drain design of both sides makes the escape of chips or other particles of the drilling quickly removed. It is great with the grinder and a little pressure. The 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. They also come with an adapter for a drill. It is suitable for 5/8" arbor angle grinder. The processing efficiency is higher, and the service life is longer.

Why We Like This:

Work on porcelain ceramic tiles, granite, masonry, marble, concrete, etc
Nice tool for diy, works well, good quality for the money
Makes the diamond firmly bonded to the matrix, and the diamond exposure is higher
Finger bits for grinding, enlarging or shaping holes

Best For quartz: BGTEC Granite finger Bit

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Vacuum brazed technology provide high efficient working performance. It is a versatile milling bit designed to enlarge, shape and/or round bevel existing holes in porcelain, hard ceramic, marble and granite. It can be used on a 5/8"-11 thread angle grinder. It is suitable to easily create round side indentation necessary to accomodate pipes or electric wire lines. This is a save money tool because with just one standard core bit and this finger bit you are able to create many different hole sizes.

Why We Like This:

Recommended for tile setters, general contractors, plumbers and electricians
One of the new comers and featured product

Best For metal: BTBLBITS Granite finger Bit

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This Vacuum Brazed Diamond finger bits Milling bits are made of premium diamond and durable metal. It is designed to enlarge, shape and round bevel existing holes in porcelain, hard ceramic, granite and marble and is also suitable to easily create round side indentation necessary to accommodate pipes or electric wire lines. It improves its wear resistance additionally it is made of premium diamond and durable metal.

It is used for grinding marble backsplash tile for smooth inside curves. Just one standard core bit plus one BTBLBITS diamond finger bit can easily expand the holes and shape, meeting the needs of multi-function plumbing fixtures. This cutter eats up porcelain tile. It comes with 5/8-inch-11 arbor, 5/8"-11 thread, used on an angle grinder, can't drill or make holes and be designed to shape and enlarge existing holes.

Why We Like This:

Great for granite, porcelain, ceramic or marble countertops, bathroom tiles
Any standard grinder, and can be used with or without water
One of the new comers and featured product

Best For wall: Dkitdbit Granite finger Bit

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The dkitdbit granite finger bit is suitable and reliable and fits well with your daily usage. This 3/5" finger bit is suitable for shaping holes on porcelain hard ceramic marble granite tiles and other natural stones. You can use it to enlarge, shape and reshape, and round bevel predrilled holes or existing holes in porcelain, hard ceramic, marble, and granite countertop or wall tiles or floor tiles when you upgrade your kitchen or bathroom. The Vacuum brazed diamond coating covers all top and sides of the finger bit, ensuring high efficient working performance in your job.

It is built with standard 5/8-inch-11 thread, so you can easily hook it to your angle grinders. It is a 5/8-11 thread to 3/8" hex shank adapter included, so it will also work with most electric drills.

Why We Like This:

Fit both dry and wet applications
Delivers what they promise

Best For jobs: Deckrkat Granite finger Bit

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The deckrkat granite finger bit might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. This diamond hole enlarger bit works perfectly for enlarging or trimming holes in porcelain sink, limestone vanity sink top, ceramic bathroom sink, thick granite countertop, marble, stone, even quartz countertop, which is harder. It includes 1 piece of 1-3/8 inch (35mm) vacuum brazed diamond finger bit, hole depth up to 50mm, with 5/8-11 thread and 3/8" hex adapter for most angle grinders and electric drills. It can make beautiful smooth holes.

This diamond finger bit is heavily coated diamond coated, both sides and the end, as a result, it can grind wet or dry, no chips, scratches or bumps. It is super easy to use and it does a great job in enlarging, shaping, trimming holes in porcelain sink, limestone vanity sink top, ceramic bathroom sink, thick granite countertop, marble, stone, even quartz countertop, which is harder. You will find this diamond finger milling bit is very useful when you are doing the things below.

Why We Like This:

Heavily diamond coated, both sides and the end compatible materials
You will get beautiful smooth perfect holes easily
A tool to save you time and money

Best For plumbers: KURSTOL Granite finger Bit

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Not everyone likes to purchase bit for their daily purpose, but the kurstol granite finger bit would be an anomoly. The High-Quality Diamond Powder with Strong Steel Body can Bring Excellent Working Performance, High efficiency, Faster, Last longer. It is used to notch edges of tile to accommodate for pipes or wiring. You can easily produce many holes of different sizes with just one standard diamond core bit plus one diamond finger milling bit. It can be installed with any hand-held angle grinders 5/8-. It is great for plumbers, other conduits, tile installers or setters, contractors, electricians wireman or diy users.

Why We Like This: