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10 Best Diamond Core Drills 2025 in the United States

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SHDIATOOL

SHDIATOOL

32%OFF

SHDIATOOL Diamond Drill Core Bits Set for Porcelain Hole Saw Cutter for Tile Marble Ceramic Granite Bricks Used for Angle Grinder Hand Drill Kit 5/8 inch-11 13pieces

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#1

Winner

BOSCH Bosc

Bosch

BOSCH Bosch 5-Inch x 17-Inch x 22-Inch SDS-Max Rotary Hammer Core Bit, HC8575

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Sponsored

SHDIATOOL

SHDIATOOL

32%OFF

SHDIATOOL Diamond Drill Core Bits Set for Porcelain Hole Saw Cutter for Tile Marble Ceramic Granite Bricks Used for Angle Grinder Hand Drill Kit 5/8 inch-11 13pieces

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#2
SALI Diamo

SALI

SALI Diamond Core Drill Bits 3" Diameter 10"/254mm Drilling Depth 5/8-11" Thread Core Bit Turbo Laser-Welded Segments for Cured Concrete with Brick, Block, Masonry, with Two Adapters

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#3
SALI Diamo

SALI

SALI Diamond Core Drill Bits 2 1/2" Diameter 10"/254mm Drilling Depth 5/8-11" Thread Core Bit Turbo Laser-Welded Segments for Cured Concrete with Brick, Block, Masonry, with Two Adapters

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#4
1 Inch Dia

DECKRKAT

5%OFF

Editor’s Choice

1 Inch Diamond Hole-Saw Bits with Pilot Drill Bit - 2pc 1" Diamond Tipped Tile Hole Saws with Guiding Bit Accurate Drilling for Porcelain Tile Ceramic Pottery Granite Stone Glass Bottles 25mm

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#5
SALI Diamo

SALI

SALI Diamond Core Drill Bits 2" Diameter 10"/254mm Drilling Depth 5/8-11" Thread Core Bit Turbo Laser-Welded Segments for Cured Concrete with, Brick, Block, Masonry, with Two Adapters

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#6
VEVOR Diam

VEVOR

13%OFF

VEVOR Diamond Core Drilling Machine, 10in Wet Concrete Core Drill Rig with Stand Wheels, 750RPM Speed & 1-1/4" Thread & Lifting Handle, 10in Drilling Diameter for Concrete Brick Block Stone, 2500W

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#7
SALI Wet D

SALI

SALI Wet Diamond Core Drill Bits 6"/152mm Diameter, 15"/380mm Drilling Depth Concrete Core Drill Bit, 1-1/4-7" Thread Core Bit Turbo Laser-Welded Segments with Rebar, Brick, Block, Masonry, Stone

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#8
DaduoRi 2

DaduoRi

DaduoRi 2 1/2" Dry Core Drill Bit, 5/8"-11 Thread, with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank; 9.5" Drill Depth, 2.5 inch Diamond Core Bits for Brick, Block and Masonry

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#9
VEVOR Diam

VEVOR

10%OFF

VEVOR Diamond Core Drilling Machine, 8 in Drilling Diameter, Handheld Dry and Wet Concrete Core Drill Rig with 4 Drill Bits, 1075/2300 RPM 2-Speed, UNC1 1/4-7 Thread, for Concrete Brick Stone, 1800W

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#10
VEVOR Diam

VEVOR

VEVOR Diamond Core Drilling Machine, 8in Wet&Dry Concrete Core Drill Rig with Stand, 750RPM Speed & 1-1/4" 5/8" Thread & Lifting Handle, 8in Drilling Diameter for Concrete Brick Block Stone, 2500W

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Our Top Picks

#1

Winner

BOSCH Bosch 5-Inch x 17-Inch x 22-Inch SDS-Max Rotary Hammer Core Bit, HC8575

9.9  score

BOSCH Bosch 5-Inch x 17-Inch x 22-Inch SDS-Max Rotary Hammer Core Bit, HC8575

Bosch

9.9  score

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Rating
9.9
Chosen by1,165
Drilling Capacity
Durability and Build Quality

Most important from
1513 reviews

Drilling Capacity
Hammer drill through brick and cinderblock worked great.
Durability and Build Quality
This bit works as it should and is worth every penny if used properly.

The Bosch 5-Inch x 17-Inch x 22-Inch SDS-Max Rotary Hammer Core Bit (HC8575) is a powerful tool designed for efficient drilling in materials like concrete, brick, and block. One of its key strengths is its efficient energy transfer, boasting up to 40% faster drilling speeds compared to other bit designs. This is enabled by its wave design and integral shank, which offers better power transmission and allows for the use of smaller hammers to drill larger holes.

This makes it a versatile choice for various applications in construction and renovation. The core bit features a robust build with a carbide tip and titanium finish, enhancing its durability and longevity. Its sizable 5-inch diameter and 17-inch usable length make it suitable for substantial drilling tasks. However, at 8 pounds, it is relatively heavy, which may affect ease of handling, especially during extended use.

The HC8575 stands out for its power, efficiency, and versatility, making it a reliable choice for both professionals and serious DIY enthusiasts.

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Rating
9.9
Chosen by1,165
Drilling Capacity
Durability and Build Quality

Most important from
1513 reviews

Drilling Capacity
Hammer drill through brick and cinderblock worked great.
Durability and Build Quality
This bit works as it should and is worth every penny if used properly.

Buying Guide for the Best Diamond Core Drills

Choosing the right diamond core drill can be a bit overwhelming, but understanding the key specifications can help you make an informed decision. Diamond core drills are essential tools for drilling precise holes in hard materials like concrete, stone, and tiles. The right drill will depend on the specific requirements of your project, including the material you're working with, the size of the holes you need, and the frequency of use. Here are the key specifications to consider when selecting a diamond core drill.
Power SourceThe power source of a diamond core drill can be either electric, hydraulic, or pneumatic. Electric drills are the most common and are suitable for most general-purpose drilling tasks. Hydraulic drills are more powerful and are often used for heavy-duty applications, while pneumatic drills are ideal for environments where electricity is not available or where there is a risk of explosion. Choose the power source based on the availability of power and the nature of your work environment.
Drilling CapacityDrilling capacity refers to the maximum diameter of the hole that the drill can create. This is an important spec because it determines the size of the holes you can drill. Drills with smaller capacities (up to 2 inches) are suitable for light-duty tasks, while those with larger capacities (up to 12 inches or more) are designed for heavy-duty applications. Consider the size of the holes you need for your project and choose a drill with an appropriate capacity.
Speed SettingsSpeed settings on a diamond core drill indicate the range of rotational speeds the drill can operate at. This is important because different materials require different drilling speeds for optimal performance. Drills with variable speed settings allow you to adjust the speed to match the material you're working with, ensuring efficient and precise drilling. For general use, a drill with a wide range of speed settings is ideal, while specialized tasks may require specific speed ranges.
Water SupplyMany diamond core drills are designed to be used with water to cool the drill bit and reduce dust. This is especially important when drilling into hard materials like concrete. Some drills come with built-in water supply systems, while others require an external water source. If you plan to do a lot of drilling, a drill with an integrated water supply can be more convenient. For occasional use, an external water source may be sufficient.
Weight and ErgonomicsThe weight and ergonomics of a diamond core drill affect how comfortable and easy it is to use. Lighter drills are easier to handle and reduce fatigue during extended use, while heavier drills may offer more stability and power. Ergonomic features like comfortable grips and adjustable handles can also make a big difference in usability. Consider how long you'll be using the drill and choose one that feels comfortable and manageable for you.
Durability and Build QualityDurability and build quality are crucial for ensuring that your diamond core drill can withstand the demands of your projects. Look for drills made from high-quality materials with robust construction. Features like reinforced housings and durable motor components can extend the lifespan of the drill. If you plan to use the drill frequently or for heavy-duty tasks, investing in a high-quality, durable drill is essential.

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