Best Diamond Hex-shank Drill Bits of 2026

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 5 Feb 2026

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Diamond hex-shank drill bits are high-quality and durable tools that are designed to efficiently drill through hard materials such as ceramic, glass, and stone. These drill bits are made with diamond particles that are bonded to the tip, which ensures a longer lifespan and faster drilling speed. The hex-shank design also provides a secure grip and prevents slipping in the drill chuck. These drill bits are a reliable choice for professionals and DIY enthusiasts who want to achieve precise and clean results when working with tough materials.

At a Glance: Our Top Picks

SHDIATOOL 6mm Diamond Drill Bits for Tiles Cover #TOP 1
SHDIATOOL 6mm Diamond Drill Bits for Tiles
ftb score rating icon 9.9
fischer D-U Hex Universal Drill Bit 4mm Cover #TOP 2
fischer D-U Hex Universal Drill Bit 4mm
ftb score rating icon 9.8
SHDIATOOL Diamond Drill Bits 2PK 8mm Hex Shank Quick Change Cover #TOP 3
SHDIATOOL Diamond Drill Bits 2PK 8mm Hex Shank Quick Change
ftb score rating icon 9.6

Top 10 Diamond Hex-shank Drill Bits

SHDIATOOL 6mm Diamond Drill Bits for Tiles

Black
SHDIATOOL 6mm Diamond Drill Bits for Tiles Cover
SHDIATOOL Diamond Drill Bits 2PK 6mm Hex Shank Quick Change for Porcelain Tile Ceramic Marble

The SHDIATOOL Diamond Drill Bits are designed for effective dry drilling in various materials like granite, marble, and ceramic tiles. With a 6mm diameter and a total length of 68mm, these bits provide versatility for your drilling needs. The dense cooling wax inside the bits helps to maintain their temperature, prolonging their life and improving performance. Thanks to the advanced Vacuum Brazed technology, you can expect these bits to outlast electroplated alternatives, ensuring you get the most value from your investment.

What We Like
Long-lasting durability
Effective for various materials
Cooling wax for better performance
Quick-change hex shank
#TOP 2

fischer D-U Hex Universal Drill Bit 4mm

561641
Red / Silver
fischer D-U Hex Universal Drill Bit 4mm Cover
fischer 561641 D-U Hex Universal Drill Bit, 4mm, 4/45/90, for Brick/Wood/Tiles/Plastics/Steel/Concrete, Red/Silver

The fischer D-U Drill Bit is designed for versatility, allowing you to drill through various materials, including brick, wood, tiles, plastics, steel, and concrete. Its carbide tip features diamond-ground cutting edges, making it ideal for tough drilling tasks. You will appreciate the convenience of a single drill for multiple materials, saving both time and costs. Additionally, the hex shank ensures high power transmission, particularly beneficial when used with a cordless impact wrench.

What We Like
Versatile for multiple materials
Time and cost-efficient
High power transmission
Wear-resistant for harder materials
PGM certified for precision
#TOP 3

SHDIATOOL Diamond Drill Bits 2PK 8mm Hex Shank Quick Change

A8560810x2.SHAUK
Black
SHDIATOOL Diamond Drill Bits 2PK 8mm Hex Shank Quick Change Cover
SHDIATOOL Diamond Drill Bits 2PK 8mm Hex Shank Quick Change for Porcelain Tile Ceramic Marble

Features
Diameter: 8mm; Diamond Height: 10mm; Total Length:80mm
2 Pieces Vaccum Brazed Diamond Drilling Bits With Hex Shank Quick-Change
Vacuum Brazed Technology Provide Much Longer Working Life Than Electroplated Ones
The Inside Of The Drill Bits Is Filled With Dense Cooling Wax For Cooling The Diamond Bits
For Dry Drilling Granite Marble Masonry Concrete Tile Ceramic

Bosch EXPERT HEX-9 MultiConstruction Drill Bit 5.5mm

2608900572
Multicolor
Ø 5,5 x 100 mm
Bosch EXPERT HEX-9 MultiConstruction Drill Bit 5.5mm Cover
Bosch 1x EXPERT HEX-9 MultiConstruction Drill Bit (for Concrete, Soft tiles, Ø 5.50 mm, Professional Accessory Impact Drill/Driver, Rotary Drill/Drivers)

The Bosch EXPERT HEX-9 Drill Bit is designed for precision and versatility. It offers up to five times more accuracy compared to standard Bosch CYL-3 Drill Bits, giving you confidence in your drilling tasks. The hex shank ensures a strong connection, maximising torque transmission in various tool holders. This drill bit excels in drilling through multiple materials, whether you are in impact mode for concrete and stone or using the rotary setting for softer materials like wood and plastic. Experience ease and efficiency with this professional accessory.

What We Like
High precision drilling
Strong hex shank connection
Versatile for multiple materials
Impact mode for concrete
Easy to use with various tools
#TOP 5

fischer 561647 D-U Hex Drill Bit for Multiple Materials

561647
Red / Silver
150 millimeters
fischer 561647 D-U Hex Drill Bit for Multiple Materials Cover
fischer 561647 D-U Hex Universal Drill Bit, 10mm, 10/90/150, for Brick/Wood/Tiles/Plastics/Steel/Concrete, Red/Silver

The fischer D-U Hex Drill Bit is designed for versatility, allowing you to drill through various materials such as brick, wood, tiles, plastics, steel, and concrete with just one tool. Its carbide tip features diamond-ground cutting edges, making it perfect for drilling combinations of materials effectively. You will appreciate the hex shank, which ensures high power transmission, especially with cordless impact wrenches. Additionally, the wear-resistant tip is ideal for tackling harder materials, saving you time and enhancing your efficiency.

What We Like
Versatile for multiple materials
High power transmission
Wear-resistant tip
Time-saving design
PGM certified for precision
#TOP 6

SHDIATOOL Diamond Drill Bits 2PK 14mm Hex Shank Quick Change

A8561410x2.SHAUK
Black
14mm
SHDIATOOL Diamond Drill Bits 2PK 14mm Hex Shank Quick Change Cover
SHDIATOOL Diamond Drill Bits 2PK 14mm Hex Shank Quick Change for Porcelain Tile Ceramic Marble

Features
Diameter: 14mm; Diamond Height: 10mm; Total Length:80mm
2 Pieces Vaccum Brazed Diamond Drilling Bits With Hex Shank Quick-Change
Vacuum Brazed Technology Provide Much Longer Working Life Than Electroplated Ones
The Inside Of The Drill Bits Is Filled With Dense Cooling Wax For Cooling The Diamond Bits
For Dry Drilling Granite Marble Masonry Concrete Tile Ceramic
#TOP 7

Bosch EXPERT HEX-9 MultiConstruction Drill Bit 6mm

2608900575
Multicolor
Ø 6 x 150 mm
Bosch EXPERT HEX-9 MultiConstruction Drill Bit 6mm Cover
Bosch 1x EXPERT HEX-9 MultiConstruction Drill Bit (for Concrete, Soft tiles, Ø 6.00 mm, Professional Accessory Impact Drill/Driver, Rotary Drill/Drivers)

The Bosch EXPERT HEX-9 Drill offers up to five times more precision than standard Bosch CYL-3 drill bits, making your drilling tasks neater and more accurate. Thanks to Bosch's Centreing Geometry, you can easily keep your drill on target, reducing mistakes and improving results. The hex shank ensures a strong connection, delivering maximum torque for efficient drilling in various chucks and tool holders. This versatile drill bit is perfect for many materials, allowing you to work confidently on concrete, stone, brick, tiles, metal, wood, and plastic with the right drill settings.

What We Like
Highly precise drilling
Easy centring geometry
Strong hex shank connection
Works on multiple materials
#TOP 8

4pcs Diamond Drill Bits Set

GzvvSvzoi
HAQZK-023A
4pcs Diamond Drill Bits Set Cover
4pcs Diamond Drill Bits Set, Extended Vacuum Brazed Tile Hole Saws, 2pcs Carbide Eccentric Drill Bit, Hex Shank Diamond Hole Saw Kits for Ceramic Porcelain Marble 1/4, 5/16, 3/8, 1/2 in

Features
Brazing Thickened And Lengthened Diamond Sand: These Diamond Drill Bits Designed With A Length Of Up To 35mm Diamond Sand, It Can Be Used For Dry Drilling Without Adding Water, And It Suitable For Both Drilling And Polishing, And Is Wear-Resistant And Durable.
Material: The Diamond Hole Saw Kits Is Made Of Alloy And Reinforced Diamond Grit Brazing, And The Eccentric Drill Bit Is Made Of 40Cr Carbon Steel. Durable And Sturdy, Ensuring Efficient Completion Of Decoration Work.
Widely Applicable: These Two Type Drill Bits Are Compatible With Most Common Power Drills And Bench Drills. And It Fit For Opening A Hole On Porcelain Tile, Marble, Ceramics, Masonry, Glass, Etc.
Size: 4pcs Diamond Hole Saw Set, 1/4", 5/16", 3/8", 1/2". 2pcs Eccentric Drill Bit: 1/4", 5/16". Shank, 1/4" Hex.
Precision Drilling: The Eccentric Drill Bit Designed Of Crooked Head, Efficient Hole Opening. And U-Shaped Rotating Groove, Achieving Fast Chip Removal.
#TOP 9

Bosch EXPERT HEX-9 MultiConstruction Drill Bit

2608900579
Multicolor
Ø 7 x 100 mm
Bosch EXPERT HEX-9 MultiConstruction Drill Bit Cover
Bosch 1x EXPERT HEX-9 MultiConstruction Drill Bit (for Concrete, Soft tiles, Ø 7.00 mm, Professional Accessory Impact Drill/Driver, Rotary Drill/Drivers)

The Bosch HEX-9 Drill Bit is designed for precision and versatility. It offers up to five times more precision than the Bosch CYL-3 Drill Bit, ensuring accurate drilling every time. The hex shank provides a strong connection, enhancing torque transmission, making it easier for you to work with various drill types. This bit is perfect for drilling through multiple materials, allowing you to tackle concrete, stone, brick, and more with ease. Whether you’re using impact mode or rotary setting, this drill bit caters to your needs efficiently.

What We Like
Highly precise drilling
Strong hex shank connection
Versatile for multiple materials
Suitable for impact and rotary mode
#TOP 10

REKCKRUL 10-Pack 1/4 Inch Diamond Drill Bits Set

REKCKRUL
RKR-LJB-10-6mm
Black
REKCKRUL 10-Pack 1/4 Inch Diamond Drill Bits Set Cover
REKCKRUL 10-Pack 1/4 Inch Diamond Drill Bits Set, Diamond Hole Saw – 1/4 Hex Shank Core Drill Bits for Ceramic, Tile, Glass, Granite, Marble, Brick & Stone, 6mm

Features
Dry & Wet Drilling Flexibility: Built-In Cooling Lubricant Allows Dry Drilling, While Water Can Be Added For Extended Bit Life. Great For Effortless Cutting Through Ceramic, Porcelain, Masonry, Glass, Marble, Granite, And More
Premium Diamond Grit & Vacuum Brazed Technology: Engineered With Industrial-Grade Diamond Particles And Vacuum Brazing Technology, Our Drill Bits Ensure Maximum Durability And Heat Resistance
Multi-Size Kit For Versatile Use: Includes 10 Pieces - 1/4" X 10 (6mm X 10) To Handle Projects From Small DIY Crafts To Large-Scale Renovations. Clear Size Markings Ensure Easy Identification
Hex Shank For Secure Grip: 1/4" Quick-Change Hex Shank Fits Securely In Electric Drills, Cordless Drills, Or Benchtop Drills. No Slipping & Wobbling—just Precise Drilling At Speeds Of 2000 RPM Or Higher For Optimal Performance And Extended Tool Life
Best Practices For Extending Drill Lifespan: Begin By Opening The C Pressure Slot At A 45-Degree Angle, Transition To A Vertical Position Gradually. For Easier Handling, Guide The Bit With A Wet Sponge
Buying Guide Image
Editor's Notes

During our diamond hex-shank drill bit research, we found 46 diamond hex-shank drill bit products and shortlisted 10 quality products. We collected and analyzed 26,073 customer reviews through our big data system to write the diamond hex-shank drill bits list. We found that most customers choose diamond hex-shank drill bits with an average price of £4.24.

The diamond hex-shank drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of diamond hex-shank drill bits, including SHDIATOOL, fischer, Bosch, GzvvSvzoi, REKCKRUL.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.