{"product_id":"milwaukee-m12-fuel-1-4-in-extended-die-grinder-3487-20","title":"Milwaukee M12 FUEL 1\/4-in. Extended Die Grinder (3487-20)","description":"\u003csection data-aplus\u003e\n\u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"features\"\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/length.svg\" alt=\"length\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eExtended Reach\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe 4 inch extended shaft helps you get into tighter spaces without dragging out an air setup. That matters for service work, cleanup, and detail grinding where access is the whole job.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/speed-range.svg\" alt=\"speed-range\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eDial In The Cut\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eFour speed modes plus a responsive variable-speed paddle give this cordless die grinder better control with 2 inch cutting wheels and 3 inch sanding accessories. You can slow it down for finesse work or turn it up when material removal matters more than finish.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/motor-type.svg\" alt=\"motor-type\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eCordless Shop Freedom\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe POWERSTATE brushless motor delivers up to 0.5 horsepower output without hoses or compressors. You get the mobility of the M12 platform with the kind of sustained performance technicians actually need.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-overview\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\" data-product-summary\u003e\n    \u003cp\u003eThe Milwaukee M12 FUEL 1\/4\" Extended Die Grinder, model 3487-20, is a cordless extended straight die grinder built for professional service technicians and tradespeople who need reach, control, and mobility in one compact tool. This is a die grinder designed for grinding, sanding, and cutting in tight spaces. If your work normally puts you inside engine bays, around welds, inside fabricated assemblies, or in spots where a standard body grinder is just too stubby, this tool makes a lot of sense.\u003c\/p\u003e\n    \u003cp\u003eMilwaukee built this model around a POWERSTATE brushless motor that produces 0.5 horsepower output and spins up to 20,000 RPM. That gives the Milwaukee M12 FUEL 1\/4\" Extended Die Grinder enough speed for common die grinder work while still letting you back things down when you need more control. The four-mode speed control and variable-speed paddle are not fluff features here. They let you match tool speed to the accessory and the material, which is a big deal when you are switching between 2 inch cutting wheels and 3 inch sanding accessories.\u003c\/p\u003e\n    \u003cp\u003eThe biggest difference on this model is the 4 inch extension. That added reach helps you get into recessed areas without forcing your hand and battery pack right up against the work. In real use, that means easier access inside tight housings, around brackets, and in awkward repair areas where air grinders usually win on shape. Milwaukee is clearly targeting the technician who wants air tool style access without the hose, compressor noise, or setup hassle.\u003c\/p\u003e\n    \u003cp\u003eThe barrel grip and improved ergonomic handle are there for a reason. Extended die grinder work is usually detailed work, and detailed work gets sloppy fast if the tool feels bulky or twitchy. Milwaukee pairs the slim handle shape with a responsive paddle switch so the grinder feels more controllable during edge blending, surface prep, and controlled cutoff work. The push-button spindle lock also keeps accessory swaps simple with a one-wrench change, which saves time when you are bouncing between sanding and cutting.\u003c\/p\u003e\n    \u003cp\u003eJobsite and shop practicality are also well thought out. The shadowless LED work light helps when you are working under vehicles, inside cabinets, or in any dim spot where the tool itself can block your overhead light. Overload protection adds another layer of durability when the tool is pushed hard. This model is also part of the Milwaukee M12 battery system, so if you are already running M12 tools, it drops right into that platform instead of making you start over on batteries and chargers.\u003c\/p\u003e\n    \u003cp\u003eAccessory fit is straightforward: it accepts 1\/4 inch shank accessories. Milwaukee calls out it as being designed to perform with 2 inch cutting wheels and 3 inch sanding accessories, which gives buyers a clear idea of where this tool lives. It is not trying to be a giant heavy-removal grinder. It is a compact, precise cordless die grinder for detailed fabrication, service work, metal cleanup, and tight-access grinding where handling matters as much as raw power.\u003c\/p\u003e\n    \u003cp\u003eWho should buy it? Automotive technicians, diesel techs, fabricators, maintenance pros, and metalworking users are the obvious fit. Serious DIY users who already own M12 batteries will also get a lot out of it, especially for restoration, fabrication, and repair work. If you need maximum reach and cordless convenience in a compact grinder, this is a smart buy. If most of your work is broad heavy grinding on open surfaces, you may want a larger grinder instead. For tight-access precision work, though, this one is right in its lane.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-at-a-glance\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eAt a Glance\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"stats-grid\"\u003e\n      \u003cdiv\u003e\n        \u003cdiv class=\"stat-value\"\u003e20,000 RPM\u003c\/div\u003e\n        \u003cdiv class=\"stat-label\"\u003eMax No-Load Speed\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cdiv class=\"stat-value\"\u003e4 Modes\u003c\/div\u003e\n        \u003cdiv class=\"stat-label\"\u003eSpeed Control\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cdiv class=\"stat-value\"\u003e4 in\u003c\/div\u003e\n        \u003cdiv class=\"stat-label\"\u003eExtended Reach\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv\u003e\n        \u003cdiv class=\"stat-value\"\u003e0.5 HP\u003c\/div\u003e\n        \u003cdiv class=\"stat-label\"\u003eMotor Output\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003ctable class=\"aplusspecs\"\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBattery Platform\u003c\/th\u003e\n        \u003ctd\u003eM12\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eMotor Type\u003c\/th\u003e\n        \u003ctd\u003ePOWERSTATE Brushless\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eNo-Load Speed (RPM)\u003c\/th\u003e\n        \u003ctd\u003e3,000 to 20,000 RPM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eSpeed Modes\u003c\/th\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eCollet Size\u003c\/th\u003e\n        \u003ctd\u003e1\/4 in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eAccessory Capacity\u003c\/th\u003e\n        \u003ctd\u003e2 in cutting wheels, 3 in sanding accessories\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eOverall Length\u003c\/th\u003e\n        \u003ctd\u003e14.09 in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWeight (Tool Only)\u003c\/th\u003e\n        \u003ctd\u003e1.77 lb\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"compat-list\"\u003e\n      \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\n        \u003cdiv\u003e\n          \u003cstrong\u003eBattery Platform\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eCompatible with Milwaukee M12 batteries.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \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\n        \u003cdiv\u003e\n          \u003cstrong\u003eAccessory Shank\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eFits 1\/4 inch shank accessories for die grinding, sanding, and cutting applications.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/diameter.svg\" alt=\"diameter\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eAccessory Size Range\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eDesigned to deliver strong performance with 2 inch cutting wheels and 3 inch sanding accessories.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tags\"\u003e\n      \u003cspan class=\"tag\"\u003eAutomotive\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDiesel Service\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eFabrication\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eMaintenance Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eTight-Space Grinding\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eSurface Prep\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eCutoff Work\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tip-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n      \u003cp class=\"tip-text\"\u003eUse the lower speed modes first when switching to sanding accessories or doing finish work on thin metal. The extended nose gives you reach, but the real advantage is control, and slowing it down keeps you from loading the accessory or gouging the work.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-warranty\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"warranty-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/warranty.svg\" alt=\"warranty\" class=\"icon-sm\"\u003e\n      \u003cdiv class=\"warranty-text\"\u003e\n        5 Year Limited Warranty.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n    \u003ch3\u003eMilwaukee M12 FUEL 1\/4\" Extended Die Grinder Gets Where Bulkier Grinders Cannot\u003c\/h3\u003e\n    \u003cp\u003eThis is the kind of cordless die grinder that makes a strong case for leaving the air hose behind when access and control matter more than brute size.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Techs, fabricators, and repair pros who do precise grinding, sanding, and cutoff work in cramped spaces.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The 4 inch extension, 4-mode speed control, 20,000 RPM top speed, and M12 cordless format make it far more practical than a stubby grinder for detailed service work.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a bare tool, so batteries and charger are not included. Also, it is happiest with the accessory sizes Milwaukee calls out, not oversized grinding jobs.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIs this a cordless or pneumatic die grinder?\u003c\/strong\u003e It is a cordless die grinder that runs on the Milwaukee M12 battery system.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat accessory shank size does it use?\u003c\/strong\u003e It fits 1\/4 inch shank accessories.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat speed range does it offer?\u003c\/strong\u003e It has a variable speed range from 3,000 to 20,000 RPM with 4 speed modes.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDoes it have a brushless motor?\u003c\/strong\u003e Yes. It uses a POWERSTATE brushless motor.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIs there a work light built in?\u003c\/strong\u003e Yes. Milwaukee includes a shadowless LED work light for better visibility in tight or dim work areas.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":53284474192166,"sku":"3487-20","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/3487-20_101.jpg?v=1780342336","url":"https:\/\/www.toolnut.com\/products\/milwaukee-m12-fuel-1-4-in-extended-die-grinder-3487-20","provider":"Tool Nut","version":"1.0","type":"link"}