{"product_id":"mirka-galaxy-5-in-400-grit-hook-and-loop-sanding-discs-50-pack-no-hole-fy-612-400","title":"Mirka Galaxy 5-in. 400 Grit Hook and Loop Sanding Discs, 50-Pack, No-Hole (FY-612-400)","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\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eSelf-Sharpening Cut\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eCeramic alumina grain keeps exposing fresh cutting edges as the disc wears. That means faster sanding and more consistent material removal instead of a disc that gives up 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\/sander.svg\" alt=\"sander\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003e5 Inch Hook and Loop Fit\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe Mirka Galaxy FY-612-400 5 Inch Sanding Discs use a hook and loop backing for quick swaps on compatible 5 inch random orbital sanders. Less downtime changing discs means better workflow at the bench or in the shop.\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\/overload-protection.svg\" alt=\"overload-protection\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eAnti-Clog Surface\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe anti-clog coating helps keep paint, primer, filler, and resin from loading up the abrasive too quickly. You get a more even finish and better disc life during longer sanding sessions.\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 \u003cstrong\u003eMirka Galaxy FY-612-400 5 Inch Sanding Discs\u003c\/strong\u003e are a 400-grit abrasive disc pack built for fine surface preparation and finish sanding across wood, metal, paint, fillers, and composite materials. This is a sanding disc designed for surface preparation and finishing with compatible 5 inch hook and loop random orbital sanders. Model Number: \u003cstrong\u003eFY-612-400\u003c\/strong\u003e. If you need a finer grit abrasive that still cuts cleanly and stays working instead of glazing over too fast, this is the kind of disc you buy on purpose.\u003c\/p\u003e\n      \u003cp\u003eWhat matters here is the abrasive. Mirka uses ceramic alumina grain, and the big benefit is that it keeps exposing fresh cutting edges as the disc wears. On the job, that translates to steadier cutting action and less drop-off as you work through a stack of parts or a larger repair area. In plain terms, it helps the disc stay productive longer instead of feeling sharp for a minute and tired after that.\u003c\/p\u003e\n      \u003cp\u003eThe 400-grit rating makes this disc a smart pick when the job is moving past heavy stock removal and into refinement. It is suited to smoothing primers, paint, epoxy resin, fillers, and finished surfaces where control matters more than brute force. For woodworking, that can mean refining hardwood, softwood, veneer, chipboard, or medium density fiberboard before the next coat. For automotive and finish work, it fits the prep stage where you want a consistent scratch pattern without going too aggressive.\u003c\/p\u003e\n      \u003cp\u003eMirka also builds in an anti-clog coating, which matters more than it sounds. Materials like paint, primer, resin, gel coat, and body filler can load a disc fast, and once that happens, cut quality drops and heat goes up. The anti-clog design helps the abrasive keep working longer during extended sanding sessions, especially on coated or resin-heavy surfaces where ordinary discs can pack up early.\u003c\/p\u003e\n      \u003cp\u003eThis version uses a no-hole face and hook and loop backing. The hook and loop side makes disc changes quick and secure, which is what most users want on a 5 inch random orbital sander. The no-hole layout gives full abrasive coverage and removes the need to line up holes before you get back to work. That is a practical advantage when speed and simplicity matter more than fussing with alignment.\u003c\/p\u003e\n      \u003cp\u003eMaterial range is one of the strong points of this Mirka abrasive. Based on the available product data, it is intended for wood, hardwood, soft or resinous wood, metal, stainless steel, mild steel, non-ferrous metal, composites, plastics, glass fiber, solid surface materials, fillers, epoxy resin, lacquers, paint, and primers. That makes it useful for mixed-material shops where one sanding disc needs to move from cabinet parts to refinishing work to light metal prep without feeling out of place.\u003c\/p\u003e\n      \u003cp\u003eWho should buy it? Pros and serious DIY users doing woodworking, automotive refinishing, composite work, paint prep, or general finish sanding will get the most out of it. If you run through a lot of 5 inch sanding discs and care about cut consistency, disc life, and quick changeovers, this pack makes sense. If you need coarse stock removal, look to a lower grit. But if your goal is cleaner prep work and a more refined finish step, 400 grit is right in the zone.\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\u003eFine Surface Prep Without Fast Loading\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\/20260624984_1.jpg\" alt=\"Mirka Galaxy FY-612-400 5 Inch Sanding Discs pack and discs for fine sanding and surface preparation in woodworking, paint prep, and finishing work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eWhen you are sanding primers, fillers, paint, or resin-based materials, disc loading is what slows the whole job down. The anti-clog coating on this sanding disc helps maintain cut quality longer so you can keep moving instead of swapping abrasives every few minutes.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e400 grit is suited to finer sanding, finish prep, and smoothing work\u003c\/li\u003e\n            \u003cli\u003eAnti-clog coating helps reduce abrasive build-up during longer sanding sessions\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\u003eBuilt for Fast Disc Changes\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\/20260624984_3.jpg\" alt=\"Mirka Galaxy FY-612-400 5 Inch Sanding Discs showing hook and loop backing for quick disc changes on a compatible random orbital sander\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eA good abrasive should not waste your time between passes. The hook and loop backing gives you quick attachment and removal on compatible 5 inch sanders, while the no-hole disc face keeps setup simple because there is no hole pattern to line up.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eHook and loop backing supports secure attachment and fast swaps\u003c\/li\u003e\n            \u003cli\u003eNo-hole design provides full abrasive coverage across the disc face\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\u003eOne Disc for Mixed-Material 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\/20260624984_5.jpg\" alt=\"Mirka Galaxy FY-612-400 5 Inch Sanding Discs stacked for shop use on wood, metal, epoxy, primer, paint, and composite sanding tasks\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThis Mirka abrasive is made for shops that do more than one kind of work. It is suitable for wood, metal, composites, fillers, paints, primers, and epoxy resin, so you can keep the same disc line in rotation across different prep and finishing jobs.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eCeramic alumina abrasive is designed for fast, consistent cutting\u003c\/li\u003e\n            \u003cli\u003eUseful for woodworking, automotive prep, refinishing, and general surface preparation\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 5 inch sanding discs, grit 400\u003c\/li\u003e\n          \u003cli\u003eNo-hole design\u003c\/li\u003e\n          \u003cli\u003eHook and loop backing\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\u003eBrand\u003c\/th\u003e\n          \u003ctd\u003eMirka\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003ctd\u003eFY-612-400\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eDisc Diameter\u003c\/th\u003e\n          \u003ctd\u003e5 in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eGrit\u003c\/th\u003e\n          \u003ctd\u003e400\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eAbrasive Material\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\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eHole Pattern\u003c\/th\u003e\n          \u003ctd\u003eNo Hole\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePack Quantity\u003c\/th\u003e\n          \u003ctd\u003e50 Count\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        \u003ctr\u003e\n          \u003cth\u003eMade In\u003c\/th\u003e\n          \u003ctd\u003eFinland\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          \u003cdiv\u003e\n            \u003cstrong\u003eSander Type\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eDesigned for use with most compatible 5 inch hook and loop random orbital sanders.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eAttachment Style\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eHook and loop backing supports quick disc changes on matching backing pads.\u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"compat-row\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eDisc Face\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eNo-hole abrasive surface means there is no hole pattern to align during installation.\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\"\u003eAutomotive Refinishing\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePaint Preparation\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eMetal Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eComposite Work\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eEpoxy Projects\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eFinish Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eWorkshop Surface Prep\u003c\/span\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\u003eMirka Galaxy FY-612-400 5 Inch Sanding Discs are a smart buy for clean prep work\u003c\/h3\u003e\n      \u003cp\u003eIf you want a finer grit sanding disc that stays cutting, swaps fast, and handles more than one material in the shop, this pack checks the right boxes.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Woodworkers, finish guys, automotive refinishers, and serious DIY users running 5 inch hook and loop random orbital sanders.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Ceramic alumina grain, anti-clog performance, and a no-hole hook and loop setup make it practical for real production work.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a 400-grit disc, so think refinement and finish prep, not aggressive material removal.\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 tool type is this abrasive made for?\u003c\/strong\u003e It is designed for compatible 5 inch hook and loop random orbital sanders.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat materials can it sand?\u003c\/strong\u003e The product data lists wood, metal, stainless steel, non-ferrous metal, composites, plastics, fillers, epoxy resin, paint, primers, gel coat, and similar surface-prep materials.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIs this a perforated sanding disc?\u003c\/strong\u003e No. This is a no-hole sanding disc.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat grit is this pack?\u003c\/strong\u003e This model is 400 grit.\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":53385953280294,"sku":"FY-612-400-MIRKA","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260624984_1.jpg?v=1782172007","url":"https:\/\/www.toolnut.com\/products\/mirka-galaxy-5-in-400-grit-hook-and-loop-sanding-discs-50-pack-no-hole-fy-612-400","provider":"Tool Nut","version":"1.0","type":"link"}