{"product_id":"dewalt-dcg420b-20v-max-atomic-die-grinder-tool-only-243ie1","title":"DeWALT DCG420B 20V MAX ATOMIC Die Grinder, Tool Only","description":"\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/xbY7BVtFFL0\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003csection data-aplus\u003e\u003cdetails id=\"product-features\" class=\"acc\" open\u003e\u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"features\"\u003e \u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-inside\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/motor-type.svg\" alt=\"motor-type\" class=\"aplusicon\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eCompact Power\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003eThis die grinder delivers up to 445 MWO in a compact ATOMIC platform, giving you cordless performance for deburring, grinding, and cleanup work in spots where bigger grinders get awkward fast.\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-inside\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/anti-vibration.svg\" alt=\"anti-vibration\" class=\"aplusicon\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eMore Control\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003eThe DEWALT Anti-Rotation System and electronic brake are there for the moments that matter most. If the wheel binds or you release the trigger, the tool reacts quickly to help you stay in control.\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card-inside\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/variable-speed.svg\" alt=\"variable-speed\" class=\"aplusicon\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eSpeed You Can Match\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"feature-card\"\u003eWith a variable speed trigger up to 24,500 RPM, you can ease into detail work or lean into faster stock removal without swapping to a different tool.\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-overview\" class=\"acc\" open\u003e\u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\" data-product-summary\u003e \u003cp\u003eThe \u003cstrong\u003eDeWALT DCG420B 20V MAX ATOMIC Die Grinder\u003c\/strong\u003e is a cordless die grinder built for metalworking, fabrication, and cleanup work in tight spaces where a larger grinder or a hose-fed pneumatic tool gets in the way. This is a \u003cstrong\u003edie grinder designed for grinding, deburring, and detail surface work in confined areas\u003c\/strong\u003e. Model Number: \u003cstrong\u003eDCG420B\u003c\/strong\u003e. If you do fabrication, weld prep, rust removal, or edge cleanup and want pneumatic-style maneuverability without dragging an air line around, this is the kind of tool that makes sense.\u003c\/p\u003e \u003cp\u003eWhat makes this one matter is the balance of size, speed, and usable power. DEWALT rates it at up to \u003cstrong\u003e445 MWO\u003c\/strong\u003e, with a \u003cstrong\u003evariable speed trigger up to 24,500 RPM\u003c\/strong\u003e. On the job, that means you can run carbide burrs, abrasive accessories, and similar die grinder attachments with enough speed for real material removal, while still feathering the trigger when you need more control around edges, welds, or finished surfaces. That variable trigger matters because die grinder work is rarely one-speed work. Sometimes you want to lean on it, and sometimes you need to sneak up on the cut.\u003c\/p\u003e \u003cp\u003eThe ATOMIC design is a big part of the appeal here. DEWALT built this grinder to get into hard-to-reach areas, and the slim body helps when you're working inside tubing, around brackets, in engine bays, or near assembled components where a bulkier grinder fights you the whole time. The brand also calls out that it is significantly smaller than a larger competing cordless die grinder, and that tracks with the real use case. Compact size is not just about storage. It means better sightlines, better wrist position, and less tool hanging out past your hand when you're trying to stay precise.\u003c\/p\u003e \u003cp\u003eControl and safety features are stronger than what many users expect from a compact cordless grinder. The \u003cstrong\u003eDEWALT Anti-Rotation System\u003c\/strong\u003e is designed to sense a pinch, stall, or bind-up event and quickly stop the wheel to reduce reactionary torque. In plain terms, if an accessory grabs unexpectedly, the tool is built to react before the situation gets worse. DEWALT also includes an \u003cstrong\u003eelectronic brake\u003c\/strong\u003e designed to stop the wheel in less than one second after the trigger is released. That matters when you're moving between cuts, climbing around a workpiece, or setting the tool down between quick cleanup passes.\u003c\/p\u003e \u003cp\u003eDay-to-day usability is clearly part of the design. The \u003cstrong\u003espindle lock\u003c\/strong\u003e simplifies wheel changes so you are not fighting with multiple wrenches every time you swap accessories. The \u003cstrong\u003epaddle switch with lock-off and no lock-on\u003c\/strong\u003e is set up to mimic the feel of a pneumatic tool while meeting site requirements that do not allow lock-on operation. There is also an \u003cstrong\u003eonboard LED\u003c\/strong\u003e to light the work area and a \u003cstrong\u003eforward exhaust system\u003c\/strong\u003e that helps direct air away from the user and manage motor heat. Those sound like small details until you are working under a bench, inside a frame, or in poor lighting around dark steel.\u003c\/p\u003e \u003cp\u003eFrom a system standpoint, this is part of the \u003cstrong\u003eDEWALT 20V MAX platform\u003c\/strong\u003e, so it fits into an existing cordless setup if you already run DEWALT batteries and chargers. It is sold as a \u003cstrong\u003etool only\u003c\/strong\u003e, which is worth saying plainly: battery and charger are not included. DEWALT also lists it as \u003cstrong\u003eTOOL CONNECT Chip Ready\u003c\/strong\u003e, which gives fleet users and larger crews an option for asset tracking when paired with the chip and app sold separately.\u003c\/p\u003e \u003cp\u003eWho should buy it? Metal fabricators, welders, mechanics, industrial maintenance crews, HVAC installers, and contractors who need a compact cordless grinder for detail work are the obvious fit. It also makes sense for serious DIY users who are tired of being tied to a compressor for occasional die grinder tasks. If your work is mostly large-scale grinding with big wheels, this is not that tool. If your work is access-sensitive, detail-oriented, and spread around a shop, jobsite, or service truck, the DCG420B is built for exactly that lane.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-benefits-1\" class=\"acc\"\u003e\u003csummary\u003e\u003ch2\u003eReach Tight Spots Without Giving Up Power\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"img\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/51639346397478_1261577fd8ce.jpg\" alt=\"DeWALT DCG420B 20V MAX ATOMIC Die Grinder being used on steel fabrication work in a tight metal joint with a gloved operator and battery installed\" class=\"tnblock-img\"\u003e \u003c\/div\u003e \u003cdiv class=\"copy\"\u003e\n\u003cp\u003eThis is where a compact cordless die grinder earns its keep. The shorter, slimmer ATOMIC layout helps you work inside corners, along welds, and around steel assemblies without fighting the tool body.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt for hard-to-reach areas where larger grinders are harder to control\u003c\/li\u003e\n\u003cli\u003eUp to 445 MWO gives this compact unit real working power for demanding detail grinding and deburring\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\u003csummary\u003e\u003ch2\u003eControl Matters When Accessories Grab\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"img\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/51639346397478_7b559b480bb6.jpg\" alt=\"DeWALT DCG420B 20V MAX ATOMIC Die Grinder clean product view showing compact body, paddle switch, and front die grinder nose for metalworking applications\" class=\"tnblock-img\"\u003e \u003c\/div\u003e \u003cdiv class=\"copy\"\u003e\n\u003cp\u003eDie grinder work can go sideways fast when a bit or wheel binds. DEWALT built this tool with features that help you stay in command instead of just hanging on.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAnti-Rotation System helps stop the wheel during pinch, stall, or bind-up events\u003c\/li\u003e\n\u003cli\u003eElectronic brake is designed to stop the wheel in less than 1 second after trigger release\u003c\/li\u003e\n\u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"tnincluded-wrapper\"\u003e \u003cul\u003e\n\u003cli\u003e(1) DCG420 ATOMIC 20V MAX Die Grinder\u003c\/li\u003e\n\u003cli\u003e(1) 1\/4 in. Collet\u003c\/li\u003e\n\u003cli\u003e(1) Wrench\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003cdiv class=\"included-note\"\u003e \u003cp\u003eBattery and charger sold separately.\u003c\/p\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003ctable class=\"aplusspecs\"\u003e \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDie Grinder\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eVoltage (V)\u003c\/th\u003e\n\u003ctd\u003e20 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eNo-Load Speed (RPM)\u003c\/th\u003e\n\u003ctd\u003eUp to 24,500 RPM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eMax Output\u003c\/th\u003e\n\u003ctd\u003eUp to 445 MWO\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eCollet Size\u003c\/th\u003e\n\u003ctd\u003e1\/4 in.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eWeight (lbs)\u003c\/th\u003e\n\u003ctd\u003e3.0 lb\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\n\u003cth\u003eTool Only\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"compat-list\"\u003e \u003cdiv class=\"compat-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/voltage.svg\" alt=\"voltage\" class=\"icon-sm\"\u003e\u003cdiv\u003e\n\u003cstrong\u003eBattery Platform\u003c\/strong\u003e\u003cdiv class=\"compat-detail\"\u003ePart of the DEWALT 20V MAX system and designed to run on DEWALT 20V MAX batteries.\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"compat-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/chuck-size.svg\" alt=\"chuck-size\" class=\"icon-sm\"\u003e\u003cdiv\u003e\n\u003cstrong\u003eAccessory Interface\u003c\/strong\u003e\u003cdiv class=\"compat-detail\"\u003eIncludes a 1\/4 in. collet for die grinder accessories that fit that collet size.\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"compat-row\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/connectivity.svg\" alt=\"connectivity\" class=\"icon-sm\"\u003e\u003cdiv\u003e\n\u003cstrong\u003eTool Tracking\u003c\/strong\u003e\u003cdiv class=\"compat-detail\"\u003eTOOL CONNECT Chip Ready. Chip and app are sold separately for asset management and tool location functions.\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"tags\"\u003e \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e \u003cspan class=\"tag\"\u003eWeld Cleanup\u003c\/span\u003e \u003cspan class=\"tag\"\u003eDeburring\u003c\/span\u003e \u003cspan class=\"tag\"\u003eAutomotive\u003c\/span\u003e \u003cspan class=\"tag\"\u003eHVAC\u003c\/span\u003e \u003cspan class=\"tag\"\u003eIndustrial Maintenance\u003c\/span\u003e \u003cspan class=\"tag\"\u003eFabrication Shops\u003c\/span\u003e \u003cspan class=\"tag\"\u003eTight-Space Grinding\u003c\/span\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"tip-row\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e \u003cp class=\"tip-text\"\u003eUse the variable speed trigger to ease a burr or abrasive into the work instead of going full speed immediately, especially on edge cleanup and weld blending. You will get a cleaner start, better control in tight spots, and less chance of the accessory grabbing before the Anti-Rotation System ever has to step in.\u003c\/p\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-warranty\" class=\"acc\"\u003e\u003csummary\u003e\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"warranty-row\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/warranty.svg\" alt=\"warranty\" class=\"icon-sm\"\u003e \u003cdiv class=\"warranty-text\"\u003e 3 Year Limited Warranty, 1 Year Free Service, and 90 Day Satisfaction Guaranteed. \u003c\/div\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-tool-nut-take\" class=\"acc\" open\u003e\u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e \u003ch3\u003eDeWALT DCG420B 20V MAX ATOMIC Die Grinder Hits the Sweet Spot\u003c\/h3\u003e \u003cp\u003eIf you want cordless die grinder performance that actually feels job-ready instead of just convenient, this is the one that makes a strong case.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Fabricators, mechanics, welders, maintenance techs, and serious DIY users who need a compact grinder for detail work, weld cleanup, and deburring in places a larger tool cannot comfortably reach.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The mix of compact ATOMIC size, up to 445 MWO, 24,500 RPM, Anti-Rotation protection, and an electronic brake makes it more than just a smaller grinder. It is built for real control in real working positions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a bare tool, so bring your own 20V MAX battery and charger. Also, it includes a 1\/4 in. collet, so make sure your die grinder accessories match what you plan to run.\u003c\/li\u003e \u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\u003cdiv class=\"acc-body\"\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eIs this a cordless or corded die grinder?\u003c\/strong\u003e It is a cordless die grinder powered by a battery.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhat is the maximum speed?\u003c\/strong\u003e DEWALT lists a variable speed trigger with speed up to 24,500 RPM.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDoes it include a battery and charger?\u003c\/strong\u003e No. This DCG420B is a tool-only configuration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWhat size collet does it use?\u003c\/strong\u003e The included collet is 1\/4 in.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDoes it support tool tracking?\u003c\/strong\u003e Yes. It is TOOL CONNECT Chip Ready, with the chip sold separately.\u003c\/li\u003e \u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e","brand":"DeWALT","offers":[{"title":"Default Title","offer_id":43570203721776,"sku":"DCG420B","price":74.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4876\/8304\/files\/8mhdr2e1evqo_5149984e-cabc-466a-8f3d-70fe156a5d5e.jpg?v=1788576659","url":"https:\/\/toolnutus.com\/products\/dewalt-dcg420b-20v-max-atomic-die-grinder-tool-only-243ie1","provider":"InoPrints","version":"1.0","type":"link"}