{"product_id":"mirka-galaxy-6-in-40-grit-hook-and-loop-sanding-disc-50-pack-multifit-ceramic-abrasive-fy-6mf-040","title":"Mirka Galaxy 6-in. 40 Grit Hook and Loop Sanding Disc 50-Pack, Multifit Ceramic Abrasive (FY-6MF-040)","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\/grit-range.svg\" alt=\"grit-range\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eFast Cutting 40 Grit\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThis coarse abrasive is built for aggressive stock removal when you need to level filler, strip finishes, or move through heavy sanding stages quickly.\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\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eSelf-Sharpening Ceramic Grain\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe ceramic abrasive keeps exposing fresh cutting edges as it wears, so the disc stays productive longer instead of falling off early.\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\/vacuum-compatibility.svg\" alt=\"vacuum-compatibility\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eMultifit Hole Pattern\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe universal hole layout makes these Mirka sanding discs easy to mount on a wide range of backing pads without chasing perfect hole alignment.\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\"\u003e\n    \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\" data-product-summary\u003e\n      \u003cp\u003e\u003cstrong\u003eMirka Galaxy 6 Inch Grip Multifit Sanding Discs\u003c\/strong\u003e are 150 mm hook and loop abrasive discs built for fast material removal across wood, metal, and epoxy resin surfaces. This is a sanding disc designed for power sanding and aggressive surface preparation. Model Number: \u003cstrong\u003eFY-6MF-040\u003c\/strong\u003e. In this version, you are getting a coarse \u003cstrong\u003e40 grit\u003c\/strong\u003e disc in a \u003cstrong\u003e50-count pack\u003c\/strong\u003e, which makes it a solid fit for shops and jobsite users who burn through abrasives and do not want to stop every few minutes for a disc change.\u003c\/p\u003e\n      \u003cp\u003eThe big story here is the abrasive itself. Mirka uses a self-sharpening ceramic grain, which matters because a disc that keeps cutting saves both time and frustration. Instead of glazing over quickly, the grain breaks in a way that helps maintain cutting power. For rough sanding, stripping, leveling, and knocking down high spots, that means the disc keeps working with less drop-off as the job goes on.\u003c\/p\u003e\n      \u003cp\u003eMirka also calls out a non-clogging anti-adhesive coating, and that is more than brochure talk when you are sanding materials that like to load up paper fast. Dust and residue buildup can kill cutting speed and leave you leaning harder on the sander than you should. A disc that resists clogging stays more consistent, runs cleaner, and usually gives you a better finish path into the next grit step.\u003c\/p\u003e\n      \u003cp\u003eThe \u003cstrong\u003eMultifit\u003c\/strong\u003e pattern is another practical advantage. These 6 inch sanding discs use a universal hole configuration so they can fit on different machines without lining up to one exact pad pattern. That is useful in real shops where not every random orbit sander or backing pad matches the same dust hole layout. You spend less time fussing with alignment and more time sanding.\u003c\/p\u003e\n      \u003cp\u003eThe grip backing is hook and loop, so disc changes are quick and clean. If you are moving from rough stock removal to intermediate smoothing, that matters. On repetitive sanding work, the time saved by fast swaps adds up. The 6 inch diameter also matches a common professional sanding size, giving you good coverage while still staying easy to control on flats, panels, and larger surface areas.\u003c\/p\u003e\n      \u003cp\u003eMaterial range is broad enough to make these a versatile shop consumable. Source data specifically supports use on \u003cstrong\u003eepoxy resin, wood, and metal\u003c\/strong\u003e. That makes this Mirka abrasive a strong choice for woodworking shops, cabinet work, metal fabrication prep, automotive or marine repair involving fillers or resin, and general finish prep where a reliable coarse cut is the priority.\u003c\/p\u003e\n      \u003cp\u003eWho should buy this? Anybody using a power sander and looking for a premium coarse-cutting disc that lasts longer than bargain abrasives. If you need to remove material quickly, flatten problem spots, or start a sanding sequence on tougher surfaces, this is the right kind of disc. If you are already in the Mirka ecosystem, it is an easy yes. If you are not, the universal Multifit layout makes it easy to run anyway, which is one of the main reasons these discs stand out.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-1\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eMirka Galaxy 6 Inch Grip Multifit Sanding Discs Cut Aggressively\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623498_1.jpg\" alt=\"Mirka Galaxy 6 Inch Grip Multifit Sanding Discs front abrasive face with universal hole pattern for coarse sanding on wood, metal, and epoxy resin in shop use\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eWhen you start with 40 grit, the whole point is to remove material fast without the disc giving up too soon. That is exactly where the ceramic grain helps.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e40 grit for heavy sanding, leveling, and surface prep\u003c\/li\u003e\n            \u003cli\u003eCeramic abrasive is designed to stay sharp as it wears\u003c\/li\u003e\n            \u003cli\u003eGood fit for early sanding stages before finer grit refinement\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n    \u003csummary\u003e\u003ch2\u003eFit More Sanders Without Hole Alignment Headaches\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623498_4.jpg\" alt=\"back side of Mirka Galaxy 6 Inch Grip Multifit Sanding Discs showing hook and loop backing and Multifit hole pattern for power sander dust extraction\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe Multifit layout is one of those features you appreciate the first time you are not trying to match a disc to one exact pad pattern. It is built to work across machines more easily.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eUniversal hole configuration for broad machine compatibility\u003c\/li\u003e\n            \u003cli\u003eHook and loop backing for quick disc changes\u003c\/li\u003e\n            \u003cli\u003eBetter day-to-day convenience in mixed-tool shops\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eStock Up for Repetitive Sanding Work\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623498_2.jpg\" alt=\"Mirka Galaxy 6 Inch Grip Multifit Sanding Discs box with stack of 50 hook and loop discs for professional sanding shop and jobsite use\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eA 50-pack makes sense for pros and serious users who go through coarse discs regularly. You keep the same disc type on hand for repeatable prep work instead of mixing in whatever is left on the shelf.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e50 discs per pack\u003c\/li\u003e\n            \u003cli\u003e6 inch diameter suits common random orbit sanding setups\u003c\/li\u003e\n            \u003cli\u003eGood shop consumable for wood, metal, and resin prep\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tnincluded-wrapper\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e(50) Mirka Galaxy 6 Inch Grip Multifit Sanding Discs, 40 Grit\u003c\/li\u003e\n        \u003c\/ul\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\u003eDiameter\u003c\/th\u003e\n          \u003ctd\u003e6 in. (150 mm)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eGrit\u003c\/th\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eGrit Type\u003c\/th\u003e\n          \u003ctd\u003eExtra Coarse\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eMaterial\u003c\/th\u003e\n          \u003ctd\u003eCeramic alumina\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBacking Type\u003c\/th\u003e\n          \u003ctd\u003eHook and loop grip\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eHole Pattern\u003c\/th\u003e\n          \u003ctd\u003eMultifit universal hole configuration\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePiece Count\u003c\/th\u003e\n          \u003ctd\u003e50 discs\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eThickness\u003c\/th\u003e\n          \u003ctd\u003e0.15 in.\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\/size.svg\" alt=\"size\" class=\"aplusicon\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eSander Size\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eFits 6 inch (150 mm) backing pads that accept hook and loop sanding discs.\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\/tool-free-change.svg\" alt=\"tool-free-change\" class=\"aplusicon\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eAttachment Style\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eGrip backing works with hook and loop style sanders and pads.\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\/vacuum-compatibility.svg\" alt=\"vacuum-compatibility\" class=\"aplusicon\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eHole Layout\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eMultifit universal hole pattern is designed to fit on different machines without precise hole alignment.\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\"\u003eWoodworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eEpoxy Resin Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eSurface Preparation\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePower Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eFinish Removal\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eHeavy Stock Removal\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eGeneral Shop Use\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=\"aplusicon\"\u003e\n        \u003cp class=\"tip-text\"\u003eUse this 40 grit disc for your first pass only, then step up through finer grits instead of trying to force one disc to do the whole job. That keeps the Galaxy ceramic grain doing what it does best, which is fast removal without wasting time on finish-stage sanding.\u003c\/p\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\u003eBuy it when cheap discs are slowing you down\u003c\/h3\u003e\n      \u003cp\u003eThe Mirka Galaxy 6 Inch Grip Multifit Sanding Discs make sense for users who want a coarse disc that keeps cutting, fits easily, and does not clog up halfway through the job.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Pros and serious DIY users sanding wood, metal, or resin with a 6 inch hook and loop power sander.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The self-sharpening ceramic grain and universal Multifit hole pattern solve two common problems at once: short disc life and annoying fitment issues.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a 40 grit disc, so it is built for removal and prep, not finish sanding. Use it for the rough work, then move on.\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\u003eWhat size sander are these discs for?\u003c\/strong\u003e These are 6 inch, or 150 mm, sanding discs with hook and loop backing.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat materials can these be used on?\u003c\/strong\u003e Source data lists epoxy resin, wood, and metal as compatible materials.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAre these discs meant for aggressive sanding or finish sanding?\u003c\/strong\u003e With a 40 grit extra coarse abrasive, they are best for aggressive sanding, surface prep, and stock removal.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDo the holes need to line up with one specific pad pattern?\u003c\/strong\u003e No. The Multifit universal hole configuration is designed to work without exact alignment to one specific machine pattern.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e","brand":"Mirka","offers":[{"title":"Default Title","offer_id":53385924509990,"sku":"FY-6MF-040-MIRKA","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623498_1.jpg?v=1782171926","url":"https:\/\/www.toolnut.com\/products\/mirka-galaxy-6-in-40-grit-hook-and-loop-sanding-disc-50-pack-multifit-ceramic-abrasive-fy-6mf-040","provider":"Tool Nut","version":"1.0","type":"link"}