{"product_id":"mirka-basecut-6-in-p400-psa-sanding-discs-100-pack-20-342-400","title":"Mirka Basecut 6-in. P400 PSA Sanding Discs 100-Pack (20-342-400)","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\/grit-range.svg\" alt=\"grit-range\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eFine P400 Finish\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe P400 grit is built for fine sanding steps where surface quality matters. It helps refine the workpiece without jumping to an overly aggressive cut.\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\/diameter.svg\" alt=\"diameter\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003e6 Inch PSA Disc\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThis Mirka adhesive sanding disc is sized for 6 inch sanding setups that use pressure sensitive adhesive backing. That gives you a straightforward stick-on disc change for fast prep between sanding stages.\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\u003eBuilt for Efficiency\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eMirka rates the Basecut line as an economical paper abrasive with aggressive initial cut and long working life. That matters when you need consistent sanding without burning through discs too quickly.\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\u003eThe Mirka Basecut 6 in PSA P400 sanding disc, model 20-342-400, is a 6 inch adhesive-backed abrasive disc sold in a 100-pack. This is a sanding disc designed for fine surface sanding and finishing work where you want a controlled cut and a smoother surface before the next coating or polishing step. If you run a shop that goes through discs steadily, this pack size makes sense because you are buying for real work, not just a single project.\u003c\/p\u003e\n    \u003cp\u003eMirka positions the Basecut line as an economical, high-efficiency paper abrasive. In practical terms, that means you are getting a disc meant to balance cost with usable life. The stated aggressive initial cut helps the disc get to work quickly when you first put it on the sander, while the long working lifespan matters when you are trying to keep disc changes from eating up time.\u003c\/p\u003e\n    \u003cp\u003eThe P400 grit lands in the fine-sanding range, so this is not the disc you grab for heavy stock removal. It is the right kind of grit when the job has already moved past rough leveling and you are dialing in the surface. That makes it useful for sanding sequences where consistency matters from one disc to the next.\u003c\/p\u003e\n    \u003cp\u003eThe 6 inch diameter fits common 6 inch sanding setups that use PSA mounting. PSA, or pressure sensitive adhesive, gives you a direct stick-on attachment method that stays flat against the sanding pad. For users who prefer a simple adhesive disc over hook and loop styles, that can mean solid pad contact and a clean, straightforward setup.\u003c\/p\u003e\n    \u003cp\u003eBecause this is a paper sanding abrasive, it is aimed at general sanding applications where value and throughput matter. The main advantage here is not flashy design. It is the combination of a familiar 6 inch format, fine P400 grit, and bulk 100-disc packaging from a brand that is well known in abrasives. That is exactly the kind of product that earns a place in a cabinet because it gets used regularly.\u003c\/p\u003e\n    \u003cp\u003eWho is it for? Shops, finish work users, and serious DIYers who already know they need a steady supply of fine-grit PSA discs. If your sanding process calls for a 6 inch pressure sensitive adhesive disc and you want a practical pack size with dependable performance, the Mirka Basecut 6 in PSA P400 sanding disc is a sensible buy.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eFine Sanding Without Overbuying Fancy Discs\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\/20260624113_1.jpg\" alt=\"Mirka Basecut 6 in PSA P400 sanding disc shown as a fine grit adhesive sanding abrasive for surface prep and finishing work\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis disc is built for the sanding stages where surface quality matters more than brute removal. The fine P400 grit gives you a controlled step in the process, and the Basecut line is aimed at users who need workable disc life without paying for more abrasive than the job demands.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e6 inch diameter for common sanding setups using this disc size\u003c\/li\u003e\n          \u003cli\u003ePressure sensitive adhesive backing for direct stick-on mounting\u003c\/li\u003e\n          \u003cli\u003eP400 grit suited to fine sanding and surface refinement\u003c\/li\u003e\n          \u003cli\u003e100-disc pack for shops and repeat-use workflows\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(100) Mirka Basecut 6 inch PSA P400 sanding discs\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\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/model-number.svg\" alt=\"model-number\" class=\"aplusicon\"\u003e Product Line\u003c\/th\u003e\n        \u003ctd\u003eBasecut\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/diameter.svg\" alt=\"diameter\" class=\"aplusicon\"\u003e Disc Diameter\u003c\/th\u003e\n        \u003ctd\u003e6 in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/grit-range.svg\" alt=\"grit-range\" class=\"aplusicon\"\u003e Grit\u003c\/th\u003e\n        \u003ctd\u003eP400\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e Abrasive Type\u003c\/th\u003e\n        \u003ctd\u003ePaper sanding disc\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\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 Attachment Type\u003c\/th\u003e\n        \u003ctd\u003ePSA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/size.svg\" alt=\"size\" class=\"aplusicon\"\u003e Package Quantity\u003c\/th\u003e\n        \u003ctd\u003e100 discs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/made-in.svg\" alt=\"made-in\" class=\"aplusicon\"\u003e Made 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-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 grit is this disc?\u003c\/strong\u003e This Mirka disc is P400 grit, which is intended for fine sanding and surface refinement.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHow many discs come in the pack?\u003c\/strong\u003e The package quantity is 100 discs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat size sander pad is this for?\u003c\/strong\u003e It is a 6 inch sanding disc and is intended for setups that use 6 inch PSA discs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat backing style does it use?\u003c\/strong\u003e It uses PSA, or pressure sensitive adhesive, backing.\u003c\/li\u003e\n    \u003c\/ul\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 Basecut 6 in PSA P400 Sanding Disc Keeps It Simple\u003c\/h3\u003e\n    \u003cp\u003eThis is the kind of abrasive you buy when you know exactly what your process needs: fine grit, adhesive backing, and enough discs in the box to keep moving.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Shops and serious DIY users running 6 inch PSA sanding setups who need a steady supply of fine-grit discs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The Basecut line focuses on practical value, with an aggressive initial cut and longer working life than bargain-bin paper discs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a P400 finishing disc, not a heavy removal disc, so make sure it fits the sanding step you are actually on.\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":53385935782182,"sku":"20-342-400-MIRKA","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260624113_1.jpg?v=1782171960","url":"https:\/\/www.toolnut.com\/products\/mirka-basecut-6-in-p400-psa-sanding-discs-100-pack-20-342-400","provider":"Tool Nut","version":"1.0","type":"link"}