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⚡ Cut fast, cut smart, cut like a pro.
The DEWALT 20V MAX XR Cut Off Tool (DCS438B) is a compact, brushless cordless powerhouse delivering 550 watts and 20,000 RPM for precision cutting across metal, tile, stone, and more. Equipped with three diamond-engineered wheels, an adjustable dust shroud with AirLock connection, and a bright LED for low-light conditions, it’s designed for professional-grade performance and jobsite cleanliness. Lanyard-ready and TOOL CONNECT compatible, this bare tool is built for durability, versatility, and smart tool management.











































| ASIN | B09TB7M842 |
| Best Sellers Rank | #2,930 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #85 in Abrasive & Finishing Products |
| Brand Name | DEWALT |
| Color | Multi |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,243) |
| Global Trade Identification Number | 00885911757133 |
| Horsepower | 550 watts |
| Included Components | DCS438 20V MAX* XR ® Brushless Cordless 3 in. Cut-Off Tool, Removable dust shroud with adjustable shoe and AirLock™ connection, DW8711 Bonded Abrasive Wheel, DW8530 Diamond† Multi-Material Wheel, (1) DW47350 Diamond† Tile Wheel, (1) 1-7/16 in. Arbor Adapter Ring, (1) Hex Wrench |
| Item Dimensions L x W x H | 4.88"L x 6.06"W x 4.88"H |
| Item Type Name | Cut Off |
| Item Weight | 3 pounds |
| Manufacturer | DEWALT |
| Manufacturer Part Number | DCS438B |
| Manufacturer Warranty Description | 1 yr warranty from date of shipment from vendor |
| Material Type | Diamond |
| Maximum Rotational Speed | 20000 rpm |
| Model Number | DCS438B |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Style Name | Classic |
| UPC | 885911757133 |
| Unit Count | 1 Count |
| Voltage | 20 volts |
| Wattage | 550 watts |
H**L
Quality product.
Good tool. light, balanced with plenty of power. Blade change is easy. Allen wrench for blade change stores securely on the saw. Great for times when you don't need the depth of a circular saw. I used the wood blade to successfully cut vinyl siding. As with most Dewalt tools battery life is great.
G**N
YOU NEED THIS!!
Wow, this small cutoff tool is incredibly impressive! I used it to cut my entire patio, and the results went beyond my expectations. The powerful performance it provides makes it ideal for cutting stone and masonry easily. Its lightweight design and simple handling have quickly made it my favorite tool for working with stone. If you're searching for a dependable, efficient tool that gets the job done effortlessly, this is the one you need! The cordless feature is also a bonus. The tools cut accurately, and the speed is fantastic. The battery lasted through cutting 10 stones before needing a second, but they charge so fast—just keep a couple handy.
S**N
3" cut off
One of my best tools in my collection love it and it make work much easier
J**D
⭐⭐⭐⭐⭐ Pocket Rocket of Power! The Most Versatile Tool I Own
The DeWalt 20V MAX XR Cut-Off Tool is not just a niche specialty tool; it is a compact powerhouse that has become my most used and favorite grab-and-go device in the truck. If you are looking for a small tool that can tackle huge jobs with minimal fuss, this is it. Unmatched Versatility in a Tiny Package What makes this tool truly shine is its ability to handle virtually any material you throw at it. I’ve been blown away by its capability and have used it on countless projects: Wood: Quickly trimming down fence pickets or cutting away damaged wood sections. Tile/Concrete: Cutting intricate curves in floor tile or making shallow, precise cuts through concrete patches and mortar. Metal: Slicing through bolts, rebar, or light gauge metal sheeting. Changing blades is fast, and the small size allows you to get into places where a full-size angle grinder would never fit. Power, Portability, and Endurance Despite its small form factor, the brushless motor and XR technology deliver plenty of torque. It chews through material much faster than you’d expect. The fact that it's so compact means I rarely bother dragging out bigger, corded tools anymore. It’s always charged, always in the truck, and always ready for that unexpected cut. The convenience factor of this tool is what truly sets it apart. If you are a professional or a serious DIYer who needs reliable cutting power across multiple materials, this is a 100% essential purchase. It’s a small tool that performs like a giant. Highly recommend!
J**N
Dewalt mini circular saw
Nice saw I purchased it for cutting 1 inch foam insulation sheets for my pole barn . It was hard to find a blade for ply wood [which would have worked best for my application].found some blades on Amazon that are carbide so they tend to heat and burn the wood and tends to kick back more on the syrifoam board .I have to lay a straight edge down on bead board to get a straight cut. I think it's mostly the blade that's causing the kick back.the saw comes with three blades and it works great for conduit.
J**F
Awesome tool, until the trigger stops
Overall this has become one of the most versatile tools we use. And its used to cut everything -> bought it for tile, but now its more things like metal locks, window casings, large cast sewer pipes, random grinding, siding, and even down to trimming parts off my old foxbody. Its freaking awesome... until last month when the trigger sporadically works. You have to continually push the trigger and it comes to life for a fraction of a second with the wheel turning about an 1/8th of a turn. After pushing the trigger and moving the wheel a tiny bit about 100 or so times, it suddenly starts working. Repeat daily... its annoying as hell. Its not abused, prob dropped from 2 feet or less a few times in its life, and kept as clean as possible. I took it apart and cleaned it and it worked for about a week, now back to the same trigger issue. Such a good tool it deserves 5 stars. It gets so annoying it deserves 1 star. So 4 stars it is cause when it works, its just AWESOME.
A**N
No regrets!
I love this cutoff tool/grinder. Very awesome and handy.😍
W**T
Nice tool
Works good.
M**D
Power tool
Highly recommended
D**N
Use it more than I thought I would.
Compact and powerful. I use Dewalt tools and this tool is very useful. From cutting tile, tin, wood and chicken wire. Makes jobs so much easier. Does not take up much room in the tool box and with the variety of wheels you can get it cuts through most anything. Took me a while to finally buy it but I am very happy I did. Lots of YouTube videos showing you different ways to use this versatile tool.
J**.
Buenisima
Es más silenciosa que un esmeril, cómoda, corta mejor la cerámica si la comparas con el esmeril. Puedes cortar plástico, fierro. Menos peso.
F**L
منتج رائع
روعه وسهل الاستخدام ، ممتاز للاستخدام المنزلي ويغني عن الصاروخ الكبير
E**C
Amazing little thing!
I am a diver and needed to cut many tiles both internal and external, and also for small wood pieces. I was deciding between the compact DeWalt saw and this cut off tool, in the end chose this, based on: 1. Size - this thing is super compact and light, as a result, it is very easy to control with 1 hand. 2. Saw blade - the DeWalt compact saw is also amazing, but for wood cutting mainly and the blades are limited. 3. The power - don't be fooled by the size, this little thing throws a punch and cut through tough porcelain 3cm external tiles like butter. Paired with 5Ah battery, it gets the job done. However due to the size and design, one could argue an angled grinder might be more versatile as one cutting tool to rule them all. I don't disagree. But with my usage which focused on cutting straight line with ease, this I think will be better than an angled grinder. So, happy days. Cannot wait for my next project.
Trustpilot
1 month ago
1 month ago