What is the Best Diamond Blade for Circular Saws? (2023)

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When using circular saws, I often notice that the standard blades wear out quite quickly, failing to deliver the desired finish. In my professional opinion, a replacement diamond blade is essential for achieving more precision. However, it’s crucial to mention that not every diamond blade on the market boasts the same material and quality.

Drawing from a wealth of experience, I can confidently share some of the most reliable options available. This way, you can make an informed decision and invest wisely, avoiding the disappointment of purchasing a low-quality diamond blade.

Premium Option
Skilsaw SPT4004 7″ Segmented Diamond Blade
Editor’s Choice
Dremel US540-01 Ultra-Saw Diamond Blade
Budget Option
Dewalt DW4725 Diamond Blade for Masonry
Skilsaw Segmented Diamond Blade
Dremel Ultra-Saw Diamond Blade
Dewalt Diamond Blade for Masonry
• 7” segmented blade
• ⅝” and ⅞” arbors
• Diamond-reinforced edges
• 2” depth cuts
• 3.5”
• 20,000 RPM max
• Diamond & cutting wheel design
• 1.6 ounce
• 4-inch
• Thin kerf
• 13,300 RPM max
• Long-lasting
Premium Option
Skilsaw SPT4004 7″ Segmented Diamond Blade
Skilsaw Segmented Diamond Blade
• 7” segmented blade
• ⅝” and ⅞” arbors
• Diamond-reinforced edges
• 2” depth cuts
Editor’s Choice
Dremel US540-01 Ultra-Saw Diamond Blade
Dremel Ultra-Saw Diamond Blade
• 3.5”
• 20,000 RPM max
• Diamond & cutting wheel design
• 1.6 ounce
Budget Option
Dewalt DW4725 Diamond Blade for Masonry
Dewalt Diamond Blade for Masonry
• 4-inch
• Thin kerf
• 13,300 RPM max
• Long-lasting

Reviews of the Top Diamond Blades for Circular Saws

1. Dremel US540-01 Ultra-Saw Diamond Blade

I ranked the Dremel US540-01 Ultra-Saw Diamond Blade top on this list due to its quality engineering. There aren’t many diamond blades that can cut through masonry materials in a flash, but this product is equal to the task.

This high-performance blade, measuring 3.5 inches, is designed to effortlessly and accurately cut through thick materials like wall and floor tile, porcelain, and cement-backed board. Its durability ensures it can handle these challenging cuts without breaking in the process.

It also leaves a smooth finish and installs easily in all Dremel circular saws, whether cordless or corded. 

What I Like

What I Don’t Like

2. Skilsaw SPT4004 7" Segmented Diamond Blade

Skilsaw SPT4004 7″ Segmented Diamond Blade is one of the best diamond blades for circular saws. This blade differs from the rest here since it is segmented. This allows cutting concrete more rapidly.

The diamond-reinforced edges of this blade significantly enhance the precision and ease of both dry and wet cutting. Its robustness and durability are remarkable, with the heavy-duty metal construction allowing it to withstand extensive pressure over prolonged usage periods.

Personally handling this 7” blade, I’ve noted its ⅝” arbor and its capability to make depth cuts of up to 2 inches. These features, in my expert opinion, perfectly align with the requirements for a 7½” circular saw, ensuring compatibility and performance in the execution of cutting tasks.

What I Like

What I Don’t Like

3. Dewalt DW4725 Diamond Blade for Masonry

If you are looking for the ideal diamond blade for cutting concrete and bricks, the Dewalt DW4725 Diamond Blade for Masonry is the right option for you. This sectional rim has sharp edges that can pierce through materials rapidly.

This blade is robust enough to withstand pressure on a jobs site, regardless of what you are cutting. Additionally, it has a thin kerf that supports accurate cutting with minimal dust. 

The product is a 4-inch blade compatible with all 4½” circular saws, so you should have no issue installing this diamond blade. Above all, the price is budget-friendly. 

What I Like

What I Don’t Like

4. Peakit 7” Tile Saw Blade

I hold a particular appreciation for this saw blade due to its extensive applicability. Based on my expertise, I find it exceptionally versatile, suitable for both wet and dry cutting, and effective on a variety of materials such as ceramic tiles, marble, and porcelain.

What captures my admiration is its impressive cutting speed and durability. The blade features a unique turbo mesh rim, complemented by X-teeth, significantly enhancing the cutting performance. It also operates with minimal chipping, facilitating a remarkable and efficient cutting experience.

The Peakit 7″ saw blade is designed with longer service life, so you don’t need to be scared of changing blades after a few uses. 

What I Like

What I Don’t Like

Diamond Blades for Circular Saws Buyer's Guide

Teeth

In my experience, a blade with fewer teeth typically cuts faster than those with a higher tooth count. When it comes to woodcutting, I always recommend opting for blades with fewer teeth. This not only minimizes waste but also helps prevent the blade from binding during the cutting process.

Kerf

Kerfs impact the quality of the finish. For circular saws, the blades need to be thin to reduce the strain put on the saw instead of being wide. It translates to more convenience when cutting. 

Quality and Durability

The quality of the blade determines its durability. The most suitable diamond blades for circular saws are made from high-carbon steel or high-speed steel materials, with some coating to prevent rust [1]. Both materials offer incredible strength and robustness. 

My Top Pick for a Diamond Blade for Circular Saws:
Dremel US540-01 Ultra-Saw Diamond Blade

I was satisfied with the performance of the saws tested on this list. However, the Dremel US540-01 Ultra-Saw Diamond Blade impressed them the most, making their top pick for best diamond blade for circular saws. 

The engineering is top-quality and can cut through masonry materials in a flash. Additionally, it cuts with precision while leaving a smooth finish. 

Robert Johnson is a passionate furniture maker & carpenter, sought after for his knowledge on the craft.
You've probably seen his down-to-earth wisdom in USA Today, Bobvila, Family Handyman, and The Spruce, where he has shared commentary and guidance on various woodworking topics.

Robert is the brain behind Sawinery, where he aims to share tips, tricks, and a passion for all things carpentry.
Robert Johnson
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