Shopping
I’ve got the flexvolt one, and it is brilliant, runs fog ages and rarely slows down. Personally I’d look at picking that up, and getting started on the high power tools Answer from ride_whenever on reddit.com
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Reddit
reddit.com › r/dewalt › comparison chart for grinders?
r/Dewalt on Reddit: Comparison chart for grinders?
April 24, 2025 -

I'm trying to decipher the confusing (at least to me) array of 20v grinders out there, and I can't really make heads or tails of it, and I my google-fu is failing me in that I can't find a comprehensive comparison chart of all the different flavors out there.

I'm in a slow hunt for that killer deal either new or used for a good mid-highend cordless grinder. I don't need a 7" beast that will rip my arm off, take off down the road and kill the grandma sitting on the porch 3 doors down if it gets loose. But, I don't want the cheapest weakest thing out there either. I'm slowly loosing my corded grinders to my kid who has his half of the garage dedicated to his own metal working, and I'm fine with that if I can find a worthy cordless replacement. Don't really need any more batts or chargers, not entirely against going 60v if its an option and I can find a used one within range of a new 20v one. I don't have any 60v stuff now, but the 60v lawn and garden blowers, trimmers and etc are enticing.

Majority of my use will be DIY homeowner that does some metal working, welding, but not for long stretches. Don't need to hog away at miles of welds, but don't want one that will stall easily either.

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ToolGuyd
toolguyd.com › dewalt-20v-brushless-braking-grinder-review
Dewalt 20V Max Brushless Braking Grinder Hands-on Review
I used a cutoff wheel to score a flathead interface in the brushed 20v recessed hex arbor. Swing and a miss on that one lol The demo driver flathead was a lot easier after I scored it. ... Anyone familiar with the braking system, ie if things need replaced over time like brushes? I just bought, but have not used, the flexvolt grinder. ... The brake is electronic. In normal use, the brake slows down discs in a way to minimize spin-off risks. In a kick-back situation, Dewalt says the tool’s “electronic brake engages with maximum force to quickly stop the wheel,” and so braking should be quicker.
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DEWALT
dewalt.com › product › dcg416b › 20v-max-4-12-5-brushless-paddle-switch-angle-grinder-flexvolt-advantage-tool-only
20V MAX* 4-1/2 in. - 5 in. Brushless Paddle Switch Angle Grinder With FLEXVOLT ADVANTAGE™ (Tool Only) | DEWALT
This grinder delivers up to 54% more power when paired with a DCB606 FLEXVOLT® battery vs. a DCB205 20V MAX* battery. The brushless motor delivers 1,550 max watts out and up to 9,000 ...
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DEWALT
dewalt.com › products › power-tools › grinders-polishers › angle-grinders
Angle Grinders | DEWALT
DCG418SHDB 60V MAX* 4-1/2 in. - 6 in. Side Handle Detect Grinder · DCG407P1 20V MAX* Brushless Cordless 4-1/2 in.
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Pro Tool Reviews
protoolreviews.com › home › dewalt power detect angle grinder review dcg415
DeWalt Power Detect Angle Grinder Review DCG415 - Pro Tool Reviews
DeWalt Power Detect Angle Grinder Review DCG415
Benefiting from a boost when you use an 8.0Ah battery, the DeWalt 20V Max Power Detect Angle Grinder takes your performance up a level.
Rating: 8.9/10 ​
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Reddit
reddit.com › r/dewalt › which is the best 20v grinder.....
r/Dewalt on Reddit: Which is the best 20v Grinder.....
November 27, 2022 -

Whats the best 20v compact grinder?

I was looking at the DCG416B, but kind of confused with al the various 20v models.

I was leaning towards something that can use 60v /20v or maybe FLEXVOLT because a grinder seems like to would eat up batteries quickly, but I'd also rather have something compact.

I don;t know enough about them to know whether I'd prefer a paddle switch or a side switch, thats what is also making to hard to decide. Whats better side switch pr paddle?

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DEWALT
dewalt.com › systems › cordless-platforms › 20v › atomic › grinders
ATOMIC™ 20V MAX* Grinders | DEWALT
Ideal for tight spaces, DCG402 is 29% smaller than the DEWALT® cordless 4.5 in. grinder‡. ... Part of the DEWALT® 20V MAX* System, the cordless design eliminates hoses for fewer restrictions and has a built-in anti-rotation control feature.
Find elsewhere
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DEWALT
dewalt.com › product › dcg416vsb › 20v-max-45-5-variable-speed-grinder-flexvolt-advantage-technology-tool-only
20V MAX* 4.5 in. - 5 in. Variable Speed Grinder With FLEXVOLT ADVANTAGE™ Technology (Tool Only) | DEWALT
This 20V MAX* 4.5 in. - 5 in. Variable Speed Grinder allows the user the to adjust wheel speed to match the needs of a variety of applications. This grinder delivers up to 48% more power** when paired with a DCB606 FLEXVOLT® battery vs. DCB205 20V MAX* battery.
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Tools in Action
forum.toolsinaction.com › power tools by manufacturer › dewalt
20V or 60V Grinder - Dewalt - Power Tool Forum – Tools in Action
February 22, 2022 - So after getting my rotary hammer problem sorted out, new I'm going to get an angle grinder. I'm currently looking at either the 20V DCG413 or the 60V DCG414. They are usually within $20 of each other, so money isnt really going to be a factor. Everything I read on the flexvolt is that it has all...
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Tools In Action
toolsinaction.com › home › blog › power tool reviews › grinder reviews › dewalt cordless angle grinder review
DeWalt Cordless Angle Grinder Review – Tools In Action – Power Tool Reviews
December 18, 2018 - I have the previous 20v model still, with the weird full hand guard copied from the 18v stempack version. That’s actually still running fine with occasional regressing. It’s been running flap disks for a couple years now, with no problems. Why not own 3 cordless grinders though, right? ... Good point, Corey! I mean, can you ever have enough Grinders?? The new DeWalt XR lineup has really packed a lot of power in their units.
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ToolGuyd
toolguyd.com › dewalt-atomic-20v-cordless-grinders-launch-2025
New Dewalt Atomic 20V Cordless Grinders Take on Air Tools
Dewalt says that the new 4-inch angle grinder delivers up to 44% more power compared to 0.7 HP air angle grinders. ... Dewalt says that the new 20V Max Atomic 4-1/2″ cordless angle grinder is 29% smaller than their non-XR brushless angle grinder, model DCG408, which launched earlier this year.
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Reddit
reddit.com › r/dewalt › difference between grinders
r/Dewalt on Reddit: Difference between grinders
January 11, 2025 -

Looking to pick up a new 20v grinder…. Debating between the Home Depot deal that comes with DCG410VSB + 8ah XR power pack, or the DCG413B on Amazon which is heavily deducted in price at the moment… my question is what is the major differences between DCG413B and DCG410VSB.

Thank you!

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Pro Tool Reviews
protoolreviews.com › home › dewalt 20v brushless angle grinders
DeWalt 20V Brushless Angle Grinders - Pro Tool Reviews
October 21, 2021 - A 4.5″ Angle Grinder and a 5″ Flathead Grinder join the mix of the company’s Perform & Protect line of tools. DeWalt specifically designed the new line to provide improved control and performance, while also cutting down on airborne dust ...
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Stanleyblackanddecker
newsroom.stanleyblackanddecker.com › 2025-09-08-DEWALTs-First-Cordless-4-in-Angle-Grinder-Delivers-Optimal-Maneuverability-in-a-Compact-Size-Without-Compromising-Power
DEWALT's First Cordless 4 in. Angle Grinder Delivers Optimal Maneuverability in a Compact Size Without Compromising Power - Sep 8, 2025
ATOMIC™ 20V MAX* 4.5 in. Angle Grinder (DCG402)² · Smaller gripping diameter versus the DCG408B Angle Grinder ... Equal gripping diameter vs. low voltage cordless die grinder · Up to 53% more power than Milwaukee M12 Die Grinder ...
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Amazon
amazon.com › DEWALT-DCG413B-Brushless-Tool-Grinder › dp › B07457BXJW
DEWALT 20V MAX* Angle Grinder Tool Cordless ...
Tire Inflator Portable Air Compressor 20V MAX, Car Air Pump with Automatic Shut Off, LED Light, Tool Only (DCC020IB) · Cordless Screwdriver, 4V USB Rechargeable Electric Screwdriver with 12 pcs Screwdriver Bit Set, LED Light, FLEXDRIVE Control, Compact, Ergonomic (DWHT66719) · Screwdriver ...
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DEWALT
dewalt.com › product › dcg415b › 20v-max-xr-4-12-5-brushless-cordless-small-angle-grinder-power-detect-tool-technology-tool-only
20V MAX* XR® 4-1/2 in. - 5 in. Brushless Cordless Small Angle Grinder With POWER DETECT™ Tool Technology (Tool Only) | DEWALT
Experience Power™ on challenging jobs with the 20V MAX* XR® 4-1/2 - 5 in. Small Angle Grinder featuring POWER DETECT™ Tool Technology. This tool recognizes when it's powered by high-capacity XR® batteries to maximize performance†. Engineered with a brushless motor to deliver 1,350 max watts out and up to 9,000 rpm for demanding applications.
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The Garage Journal
garagejournal.com › forums › the tools › general tool discussion
Anyone use the new DeWalt 20v brushless angle grinder? | The Garage Journal
October 9, 2018 - Click to expand... Yes, 413. What kind of battery life are you getting? I have a bunch of Milwaukee stuff, but as far as grinders go the DeWalt seems more versatile being 5 inch and higher RPM.
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How-To Geek
howtogeek.com › home › hobbies › 5 dewalt tools coming in 2026 that are worth waiting for
5 DeWALT tools coming in 2026 that are worth waiting for
1 week ago - In the announcement, DeWALT also compared this 20V tool to Milwaukee's M12 die grinder, saying their model offers over 50% more power. However, a comparison to the M18 model would be a bit more fair.