SKU: 54428180180

DEWALT 4-1/2 Inch 4T Polycrystalline Diamond PCD Fiber Cement Cutting Circular Saw Blade 3/8 Inch Arbor 5000 RPM Low Dust Aggressive Removal DWA412PCD

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Description

DEWALT 4-1/2 Inch 4T Polycrystalline Diamond PCD Fiber Cement Cutting Circular Saw Blade 3/8 Inch Arbor 5000 RPM Low Dust Aggressive Removal DWA412PCDEngineered for Extreme Durability and Dust Reduction in Heavy Duty Fiber Cement Cutting The DEWALT DWA412PCD 4 1 2 Inch 4 Tooth Polycrystalline Diamond (PCD) Saw Blade is the ultimate solution for professionals tackling the unique challenges of fiber cement siding and board. Conventional carbide blades often dull within minutes when facing the abrasive nature of fiber cement, but this industrial grade blade features specialized PCD teeth that offer an

Engineered for Extreme Durability and Dust Reduction in Heavy-Duty Fiber Cement Cutting

The DEWALT DWA412PCD 4-1/2 Inch 4-Tooth Polycrystalline Diamond (PCD) Saw Blade is the ultimate solution for professionals tackling the unique challenges of fiber cement siding and board. Conventional carbide blades often dull within minutes when facing the abrasive nature of fiber cement, but this industrial-grade blade features specialized PCD teeth that offer an incredibly long life and sustained sharpness. Designed for aggressive material removal, this blade allows you to fly through stacks of siding while maintaining a clean, professional edge that is essential for high-quality exterior finishes.

Beyond its impressive lifespan, the DWA412PCD is engineered with a specific tooth configuration designed to significantly reduce airborne dust, creating a safer and cleaner jobsite. This 4-tooth design provides the perfect balance of speed and precision, ensuring that your 4.5-inch circular saw or trim saw operates at peak efficiency. Whether you are installing HardiePlank, cement subflooring, or specialized masonry panels, this DEWALT blade provides the durability and refined cutting performance needed to reduce blade changes and keep your project moving forward without interruption.

Key Features

  • Polycrystalline Diamond (PCD) Teeth: Advanced diamond-tipped teeth engineered specifically for an ultra-long life in abrasive fiber cement applications.
  • Aggressive Material Removal: Optimized 4-tooth configuration provides fast, efficient cuts through dense cement-based boards.
  • Low Dust Design: Tooth geometry specifically calibrated to minimize airborne particulates for a cleaner breathing environment.
  • Precision Thin Kerf: The 0.062-inch kerf reduces drag and power consumption, making it ideal for cordless trim saws.
  • Flat Top (FT) Grind: Ensures stable tracking and consistent depth throughout the entire length of the cut.
  • High RPM Compatibility: Safely rated for up to 5000 RPM to handle professional-grade cutting speeds.

What's Included

  • (1) DEWALT DWA412PCD 4-1/2" 4T PCD Fiber Cement Cutting Saw Blade

Specifications

Brand DEWALT
Model Number DWA412PCD
Blade Diameter 4-1/2 Inches
Arbor Hole Size 3/8 Inch
Tooth Count 4 Teeth
Tooth Material Polycrystalline Diamond (PCD)
Kerf Thickness 0.062 Inches
Maximum Speed 5000 RPM
Tooth Configuration Flat Top (FT)
Weight 0.21 lbs.
Package Depth 7.8 Inches
UPC 885911623438

Pro-Tip: When cutting fiber cement siding, always ensure your saw's base plate is clean to avoid scratching the pre-finished surface. To further reduce dust, try to cut with the "good side" of the board facing down, and if possible, use a vacuum attachment on your saw to maximize the effectiveness of this blade's low-dust design.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 54428180180

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4.3 ★★★★★
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Robert Kern
Pawtucket, US
★★★★★ 5
Great Product, Works as Advertised
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
This product works exactly as described. It makes BM's smoother and gentler. I personally use the unflavored, no sweeteners added version, and honestly, it does not taste very good, but I feel that the results are worth it, and I do not like adding extra sweeteners or flavorings to my diet. I have used this product for many years and have found that about 1 1/2 to 2 tbsps in 12 ounces of water works the best for me. You will need to experiment a bit to find the ratio that works best for you. I recommend that you start on the low side and gradually increase the amount of Metamucil as needed.
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Reviewed in the United States on March 26, 2026
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EZ
San Leandro, US
★★★★★ 5
Healthy, Effective, and great when mixed with Splenda and Koolaid mix. The best of many options I've tried.
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I've sampled a few different varieties of fiber supplements, including both Benefiber and off-brands, and I found that Metamucil provided the most fiber in the least offensive beverage. Compared to the other brands, this stuff is smoother textured, and goes down easier, as a sort of happy medium between the grittier supplements and the thicker ones. What about effectiveness? I have apocalyptic IBS, and since starting to take this stuff regularly (one giant glass every morning and evening), my BMs have been much more regular, and more manageable. Flare-ups happen less, and it even seems to do a decent job when taken with meals of cutting the hit to my stomach and gut. I tend to take more than the recommended amount, with an even larger serving of water, as I feel like it helps me stay hydrated and full throughout the day. I started taking the classic orange Metamucil, but although I really liked the superior flavor (rather like Orange Tang) it packed several times more sugar in each serving than fiber, so while it was great for digestive health, the overall health impact was too negative. I also sampled the sugar-free berry flavors, but found that, although it was ostensibly healthier, the flavor wasn't great, and in addition it suffered from the aspartame aftertaste and further effects (Aspartame gives me headaches). So this was a dilemma for me. What to do? I actually wrote to Metamucil about it, and they recommended this product. The downside is that it comes with absolutely no flavor, so you need to provide your own in order to mask the texture (I wouldn't dream of trying to mix this in plain water--yuck!) The upside is they pack 100+ servings into a container, and you really are free to blend it into whatever suits your fancy. Obviously if you mix it with something like orange juice, then you're already negating the benefits of this stuff over the sugary orange flavor, but I've personally found a much better way. I like to mix this stuff with Kool-aid mix and Splenda (Sucralose) sweetener. I buy a ton of Splenda and kool-aid as it mixes up tasting sweet, like sugar, but without the calories or aftertaste. You can dump a spoonful of this stuff into a glass of splenda-koolaid, or just dump 8 servings worth of this stuff in with a packet of koolaid powder and a cup of splenda, and then just mix it up and spoon it into water as needed. Better tasting, sugar-free and packed with good useful fiber. EDIT: I wish I could subscribe to this stuff. Price of splenda has gone up, but I've figured out thatyou can just dump 7 packets of koolaid mix and 7 dashes of sucralose into a container of this and shake it up.
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Reviewed in the United States on February 26, 2015
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Review Dude
Lowell, US
★★★★★ 5
#1 for #2's
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I like the lack of sweeteners and flavor. I just want the stuff that helps me poop. There is some citric acid in it (no idea why) which gives it a mildly acidic taste. Other than that, it does the trick.
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Reviewed in the United States on March 23, 2026
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Strathmont
Grantham, US
★★★★★ 5
Good Stuff
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
If you need more fiber in your diet, you need this. The price is right, it works very well and keeps me regular. I use this instead of the gummies or capsules. That's because you MUST put in in fluid, and hydration is SO important when using a psyllium product as it causes water to be absorbed very quickly once it is ingested, and you don't want to dehydrate! Mixes very well in water and has little to no taste whatsoever. Stay regular, stay hydrated and stay well.
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Reviewed in the United States on April 14, 2026
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Robert
Massapequa, US
★★★★★ 4
Works well, but is now too expensive...
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
The "No added sweeteners" has been my go-to version of Metamucil, but I'm giving it 4 stars and moving on to another brand as the price is over $35 which is too much imo...
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Reviewed in the United States on October 15, 2025

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