Best Diamond Hex-shank Drill Bits of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 1 Feb 2025

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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

fischer D-U Hex Universal Drill Bit 4mm Cover #TOP 1
fischer D-U Hex Universal Drill Bit 4mm
ftb score rating icon 9.9
Bosch HEX-9 Multi Construction Drill Bit, 6 x 60 mm Cover #TOP 2
Bosch HEX-9 Multi Construction Drill Bit, 6 x 60 mm
ftb score rating icon 9.8
SHDIATOOL 6mm Diamond Drill Bits for Tiles Cover #TOP 3
SHDIATOOL 6mm Diamond Drill Bits for Tiles
ftb score rating icon 9.6

Top 10 Diamond Hex-shank Drill Bits

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 2

Bosch HEX-9 Multi Construction Drill Bit, 6 x 60 mm

2607002777
Silver/Blue
6 mm x 60 mm
Bosch HEX-9 Multi Construction Drill Bit, 6 x 60 mm Cover
Bosch Professional HEX-9 Multi Construction Drill Bit (Multi-Purpose, Ø 6 x 60 mm, Accessories Impact Drills)

The Bosch HEX-9 Drill Bit is designed for durability and versatility, making it suitable for drilling into a variety of materials. Its carbide blend and diamond-ground cutting edges ensure that the bit remains wear-resistant, allowing you to work efficiently. The 2-flute U-shape enhances dust removal, which keeps your work area cleaner and improves visibility. Additionally, the carbide tip provides an easy start and excellent control, making it easier for you to achieve precise drilling results.

What We Like
Durable for all materials
Wear-resistant cutting edges
Good dust removal
Easy start and control

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

fischer 561647 D-U Hex Drill Bit for Multiple Materials

561647
Red / Silver
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 5

Alpen Profi Multicut Tungsten Carbide Drill Bits

27200400100
Grey
4 mm
Alpen Profi Multicut Tungsten Carbide Drill Bits Cover
Alpen 27200400100 "Profi Multicut" Tungsten Carbide Multi-Purpose Hex Drill Bits, Grey, 4 mm

The Alpen Profi Multicut Bits are versatile drill bits designed for various materials, including metal, masonry, and tiles. Their universal design means you can tackle a range of projects without needing multiple tools. With diamond ground, sharp cutting edges, these bits ensure clean and precise drilling, making your tasks easier and more efficient. Whether you're a DIY enthusiast or a professional, you'll appreciate the convenience these bits offer for your drilling needs.

What We Like
Suitable for multiple materials
Sharp diamond ground edges
Universal design for various tasks
Efficient and precise drilling

TIMCO 88mm Diamond GP Core Bit

DCAH88P
Black
88mm
TIMCO 88mm Diamond GP Core Bit Cover
TIMCO Diamond GP Core Bit - 88mm - Black 1 pc

The TIMCO Diamond Core Bit is designed for efficient drilling with its 88mm hex adaptor, allowing you to fit it easily to a 1/2" BSP fitting. The black finish not only adds a sleek look but also enhances durability, ensuring it withstands tough drilling tasks. This core bit is perfect for various applications, providing you with the convenience of quick and clean cuts in different materials. You will find this tool an essential addition to your toolkit for both professional and DIY projects.

What We Like
Durable black finish
Fits standard 1/2" BSP
88mm hex adaptor included
Efficient drilling performance
#TOP 7

Alpen Profi Multicut Tungsten Carbide Drill Bits

27200550100
Grey
5.5 mm
Alpen Profi Multicut Tungsten Carbide Drill Bits Cover
Alpen 27200550100 "Profi Multicut" Tungsten Carbide Multi-Purpose Hex Drill Bits, Grey, 5.5 mm

The Alpen Profi Multicut Bits are versatile drill bits designed for various materials, including metal, masonry, and tiles. With their universal special design, you can tackle different projects without needing multiple tools. The diamond ground, sharp cutting edges ensure precision and efficiency, making your drilling tasks smoother. You will appreciate the ease of use these bits offer, allowing you to achieve professional results at home or on the job site.

What We Like
Versatile for multiple materials
Sharp, diamond ground edges
Universal special design
Easy to use
#TOP 8

Silverline 783138 Hex Core Drill Arbor 100 mm

783138
Others
100 mm
Silverline 783138 Hex Core Drill Arbor 100 mm Cover
Silverline 783138 Hex Core Drill Arbor 100 mm

The Silverline Hex Core Drill Arbor is designed for efficiency and ease of use. It includes an ejector drift key, which helps you quickly remove the taper guide drill, saving you time during your projects. This arbor fits both 12 inch BSP TCT and diamond core drills, making it versatile for various drilling applications. Crafted from hardened steel, it ensures durability and strength, providing you with confidence in your work. Whether you're a professional or a DIY enthusiast, this tool will enhance your drilling experience.

What We Like
Includes ejector drift key
Fits various core drills
Made from hardened steel
Durable and strong
Enhances drilling efficiency

Pulsar 6mm Diamond Drill Bit for Tiles

Pulsar 6mm Diamond Drill Bit for Tiles Cover
Pulsar High Performance 6mm Diamond Tile Dry Drill Bit for Porcelain Ceramics and Natural Stone

The Pulsar Diamond Drill Bit is designed for high performance when drilling into porcelain ceramics and natural stone. Its wax-filled feature ensures efficient cooling during use, prolonging the life of the bit and providing a smooth drilling experience. The hex shank design allows for a secure grip in your drill, preventing slippage and ensuring precision. As it is intended for dry use, you can enjoy the convenience of drilling without the mess of water, making your projects cleaner and easier.

What We Like
High performance for tough materials
Wax-filled for cooling
Secure hex shank design
Convenient dry use

EsportsMJJ 1mm Diamond Tipped Drill Bit

EsportsMJJ 1mm Diamond Tipped Drill Bit Cover
EsportsMJJ 1mm HSS Diamond Tipped Twist Drill Bit Straight Shank Jewlery Bit

The EsportsMJJ Drill Bit is crafted from diamond-coated high-speed steel, ensuring durability and efficiency in your drilling tasks. With a 1mm diameter, it is ideal for precision work, allowing you to create accurate holes in various materials. The 28mm length provides a comfortable reach, making it suitable for intricate jobs. Additionally, its straight shank design fits many electric drills and drilling machines, offering you versatility in your tool selection and ease of use.

What We Like
Durable diamond-coated material
Precision 1mm diameter
Comfortable 28mm length
Compatible with various drills
Buying Guide Image
Editor's Notes

During our diamond hex-shank drill bit research, we found 24 diamond hex-shank drill bit products and shortlisted 10 quality products. We collected and analyzed 6,869 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 £6.22.

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 fischer, Bosch, SHDIATOOL, Alpen, TIMCO.

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.