Best DEWALT Diamond Blades of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 11 Feb 2025

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Diamond Blades by DEWALT are high-quality cutting tools designed for precision and efficiency. These blades are specifically engineered to provide clean and precise cuts in various materials, including concrete, masonry, and tile. With their durable diamond-tipped edges, DEWALT Diamond Blades offer exceptional performance and longevity. Whether you are a professional contractor or a DIY enthusiast, these blades are an ideal choice for any cutting project.

At a Glance: Our Top Picks

DEWALT 230MM Extreme RUNTIME Diamond Blade Cover #TOP 1
DEWALT 230MM Extreme RUNTIME Diamond Blade
ftb score rating icon 9.9
Dewalt DT3734-XJ Diamond Cutting Disc Cover #TOP 2
Dewalt DT3734-XJ Diamond Cutting Disc
ftb score rating icon 9.8
Dewalt DT20739/qz Diamond Segment Blade Cover #TOP 3
Dewalt DT20739/qz Diamond Segment Blade
ftb score rating icon 9.6

Top 10 DEWALT Diamond Blades

#TOP 1

DEWALT 230MM Extreme RUNTIME Diamond Blade

DT40260-QZ
black/yellow
DEWALT 230MM Extreme RUNTIME Diamond Blade Cover
DEWALT 230MM X 22MM Extreme RUNTIME DIAM Blade

The DEWALT Diamond Blade is designed for efficient cutting through concrete and masonry materials, whether in wet or dry conditions. Its three 12mm diamond segments feature an aggressive cut pattern, ensuring fast cuts and an extended blade life. The optimised wheel edge design enhances debris removal, allowing you to maintain a clear view of your work. This means you can work more effectively and with less interruption, making it a valuable tool for any construction project.

What We Like
Fast cutting capability
Long-lasting blade life
Effective debris removal
Versatile for wet or dry use
#TOP 2

Dewalt DT3734-XJ Diamond Cutting Disc

DT3734-XJ
colour
One Size
Dewalt DT3734-XJ Diamond Cutting Disc Cover
Dewalt DT3734-XJ Diamond Cutting Disc, One Size

The Dewalt Diamond Cutting Disc is a premium quality tool designed for cutting with precision. Originating from the United States and South Korea, this disc ensures durability and performance. With a single item package, it is convenient for both professionals and DIY enthusiasts. The model number DT3734-XJ indicates its reliability and effectiveness in various cutting applications. You can trust this diamond blade to deliver outstanding results, making your cutting tasks easier and more efficient.

What We Like
High-quality diamond blade
Durable and reliable performance
Convenient single item package
Suitable for professionals and DIY
#TOP 3

Dewalt DT20739/qz Diamond Segment Blade

DT20739-QZ
Coloured
Size
Dewalt DT20739/qz Diamond Segment Blade Cover
Dewalt Diamond Segment Blade DT20739/qz

The Dewalt Diamond Blade is designed for professionals who demand high quality and durability. This original Dewalt product offers tough and long-lasting performance, making it ideal for cutting through tile joints and cracks in plaster or similar materials. The diamond edging enhances the blade's efficiency, providing a clean and precise cut. With its robust design, you can rely on this blade to tackle demanding tasks with ease, ensuring you achieve excellent results every time.

What We Like
High-quality construction
Long-lasting performance
Efficient diamond edging
Ideal for tough materials
#TOP 4

DEWALT 7-Inch High Performance Diamond Blade

DW4712B
Silver
EA US
DEWALT 7-Inch High Performance Diamond Blade Cover
DEWALT Diamond Blade for Masonry (DW4712B), Silver, 7-Inch, Packaging May Vary

The DEWALT Diamond Blade is a 7-inch masonry blade designed for high performance. With a 5/8" diamond knock out arbor, it offers compatibility with various cutting tools, making it easy for you to use. Its robust design ensures efficient cutting through masonry materials, enhancing your work efficiency. Manufactured in China, this blade combines quality and reliability, giving you peace of mind while tackling your projects.

What We Like
High performance cutting
Easy to use
Compatible with multiple tools
Efficient for masonry work
#TOP 5

DEWALT 4-1/2-Inch Diamond Blade for Porcelain

DW4765
Yellow
4-1/2 Inches
DEWALT 4-1/2-Inch Diamond Blade for Porcelain Cover
DEWALT Diamond Blade for Porcelain Tile, Wet/Dry, 4-1/2-Inch (DW4765), Yellow

The DEWALT Diamond Blade is designed to enhance your cutting experience with porcelain tiles. Its extended performance diamond matrix ensures long life, making it a reliable choice for your projects. The XP2 and XP3 blades feature laser-cut expansion slots, which help prevent warping caused by heat build-up, giving you precision cuts. With the premium XP2 and XP4 cutting matrix, the XP2 offers double the lifespan of standard blades, while the XP4 boasts four times the longevity, providing excellent value for your investment.

What We Like
Long-lasting performance
Prevents blade warping
Precision cutting
Great value for money
#TOP 6

DeWalt DT3733XJ Ceramic Diamond Tile Blade

DT3733-XJ
Orange
DeWalt DT3733XJ Ceramic Diamond Tile Blade Cover
DeWalt DT3733XJ 254 x 25.4mm Ceramic Diamond Tile Blade, DT3733-XJ

The DeWalt Tile Blade is designed for precision in cutting hard materials. Its continuous rim design ensures a fine finish, making your work look professional. You will appreciate the sintered cutting wheel, which enhances durability and prolongs the blade's lifespan. The music slots are particularly beneficial for cutting through tough materials, as they help to reduce friction and heat buildup. Remember, this blade is intended for wet cutting only, providing cleaner cuts and minimising dust.

What We Like
Fine finish for hard materials
Durable sintered cutting wheel
Reduces friction while cutting
Wet cutting for cleaner results
#TOP 7

DEWALT 190mm 24 Tooth Diamond Blade

DT40270QZ
Black / Yellow
DEWALT 190mm 24 Tooth Diamond Blade Cover
DEWALT DT40270 190mm 24 Tooth Diamond Bore Blade for Dcsdcs577

The DEWALT Diamond Bore Blade is optimised for cordless operation, enabling you to make up to two times more cuts per charge. With its C3 next generation carbide, this blade allows for up to three regrinds, ensuring longevity and efficiency. The inclusion of expansion slots helps to dampen noise and vibration, providing a more comfortable cutting experience. Additionally, it offers stronger mounting, making it suitable for use on higher torque circular saws, giving you confidence in its performance.

What We Like
More cuts per charge
Up to three regrinds
Dampens noise and vibration
Stronger mounting for saws
#TOP 8

Dewalt DT3714QZ Tile Blade for All Materials

DT3714-QZ
silver
Dewalt DT3714QZ Tile Blade for All Materials Cover
Dewalt DT3714QZ 110 x 20 mm Tile Blade

The Dewalt Tile Blade is designed for both wet and dry cutting, making it versatile for various projects. Its continuous rim ensures a fine finish, allowing you to achieve smooth edges on all tile materials. This feature is particularly useful when precision is key, ensuring that your tiles look professional. With its ability to cut through a range of materials, you can enjoy the convenience of using one blade for multiple tasks, saving you time and effort.

What We Like
Versatile for wet and dry cutting
Fine finish on all tile materials
Continuous rim for smooth edges
Saves time on multiple tasks
#TOP 9

DEWALT 10-Inch Diamond Blade for Tiles

DW4764
Yellow
DEWALT 10-Inch Diamond Blade for Tiles Cover
DEWALT Diamond Blade for Tile, Wet Cutting, 10-Inch x .060-Inch (DW4764)

The DEWALT Diamond Blade is designed to enhance your tile cutting experience. With its extended performance diamond matrix, you can expect a longer lifespan and better cutting efficiency. The continuous rim design ensures chip-free cutting across all tile types, making your work neat and precise. Additionally, the XP2 and XP4 blades cater to high-power tile saws, allowing for quick and low-heat cuts. This means you can achieve straight cuts without worrying about blade warping, providing convenience for any tile project.

What We Like
Long-lasting cutting performance
Chip-free cutting design
Quick and straight cuts
Reduces heat build-up
Compatible with high-power saws
#TOP 10

DeWalt DT20746 Multi-Tool Diamond Blade for Tiles

DT20746-QZ
Silver
DeWalt DT20746 Multi-Tool Diamond Blade for Tiles Cover
DeWalt DT20746 Multi-Tool Diamond Segment Saw Blade (for use in Ceramic Tiles, also fits other Manufacturer’s Tools)

The DeWalt Diamond Segment Blade is designed for precision cutting in ceramic tiles. Its diamond coating ensures you can work cleanly right up to corners and edges, giving you a professional finish. The multi-fit attachment allows for quick and easy changes of accessories, saving you time during your projects. This blade is not only suitable for ceramic tiles but is also compatible with tools from other manufacturers, providing versatility for your cutting needs.

What We Like
Diamond coating for clean cuts
Quick accessory changes
Suitable for various tools
Ideal for ceramic tiles
Buying Guide Image
Editor's Notes

During our DEWALT diamond blade research, we found 48 DEWALT diamond blade products and shortlisted 10 quality products. We collected and analyzed 13,850 customer reviews through our big data system to write the DEWALT diamond blades list. We found that most customers choose DEWALT diamond blades with an average price of £36.35.

The DEWALT diamond blades are available for purchase. The top 10 picks range in price from a low of £14.00 to a high of £67.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 78 consumers with an average rating of 4.5.

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.