{"product_id":"norton-bluefire-r822-4-5in-flap-disc-t27","title":"Norton Flap Disc BlueFire R822 ZA, 4.5\" x 7\/8\", Fiberglass Hub, Flat T27","description":"\u003ch3\u003e\n\u003ca href=\"https:\/\/www.smsdistributors.com\/collections\/norton-abrasives-collection\" title=\"Norton Abrasives Product Collection\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0118\/2262\/files\/Norton_Abrasives_Logo_160x160.jpg?v=1580912262\" alt=\"Norton Abrasives Logo\"\u003e\u003c\/a\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0118\/2262\/files\/Norton_BlueFire_logo_160x160.jpg?v=1614327100\" alt=\"Norton BlueFire Logo\"\u003e\n\u003c\/h3\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNorton BlueFire R822 ZA Flap Disc, 4‑1\/2\" x 7\/8\", Type 27 (Flat), Fiberglass Backing\u003c\/strong\u003e is a high‑performance zirconia alumina flap disc engineered for fast stock removal, weld blending, deburring, and coarse surface preparation on stainless steel, carbon steel, aluminum, and other metals.\u003c\/p\u003e\n\u003cp\u003eFeaturing Norton’s premium \u003cstrong\u003eZirconia Alumina Plus grain\u003c\/strong\u003e, the R822 delivers aggressive cutting action and up to \u003cstrong\u003e30% longer life\u003c\/strong\u003e compared to standard zirconia flap discs. The \u003cstrong\u003ejumbo semi‑open flaps\u003c\/strong\u003e minimize loading on soft metals and provide smoother operation, while the \u003cstrong\u003efiberglass\/resin backing plate\u003c\/strong\u003e absorbs vibration for improved operator comfort.\u003c\/p\u003e\n\u003cp\u003eType 27 flat flap discs are designed for grinding at a \u003cstrong\u003e0°–15° angle\u003c\/strong\u003e, making them ideal for blending, smoothing, and controlled stock removal.\u003c\/p\u003e\n\u003cp\u003eSold \u003cstrong\u003e5 discs per box\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZirconia Alumina Plus grain\u003c\/strong\u003e provides aggressive cutting and long disc life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 30% longer life\u003c\/strong\u003e vs. competitive zirconia flap discs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJumbo semi‑open flaps\u003c\/strong\u003e reduce loading and run cooler on soft metals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiberglass\/resin backing\u003c\/strong\u003e absorbs vibration for smoother operation and reduced fatigue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 27 (Flat)\u003c\/strong\u003e design ideal for blending and finishing on flat surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 grit\u003c\/strong\u003e excels at stock removal, beveling, and edge chamfering\u003c\/li\u003e\n\u003cli\u003eHigh‑density flaps conform well to curved or uneven surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose Flap Discs?\u003c\/h2\u003e\n\u003cp\u003eFlap discs replace both grinding wheels and fiber discs, offering versatility from heavy stock removal to blending with a single tool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlap Discs vs. Grinding Wheels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFaster stock removal\u003c\/li\u003e\n\u003cli\u003eSmoother finish with less gouging\u003c\/li\u003e\n\u003cli\u003eCooler cutting, reduced glazing\u003c\/li\u003e\n\u003cli\u003eLighter weight and easier control\u003c\/li\u003e\n\u003cli\u003eLower vibration and operator fatigue\u003c\/li\u003e\n\u003cli\u003eReduced noise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFlap Discs vs. Fiber Discs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 20× longer life\u003c\/li\u003e\n\u003cli\u003eFewer disc changes and lower labor cost\u003c\/li\u003e\n\u003cli\u003eMore consistent finish\u003c\/li\u003e\n\u003cli\u003eNo backup pad required\u003c\/li\u003e\n\u003cli\u003eNo curling or storage issues\u003c\/li\u003e\n\u003cli\u003eReduced loading\u003c\/li\u003e\n\u003cli\u003eUse flap discs one grit coarser than fiber discs (except 36 grit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSuitable Materials\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e300 Series stainless steel\u003c\/li\u003e\n\u003cli\u003e400 Series stainless steel\u003c\/li\u003e\n\u003cli\u003eCarbon steels (hard \u0026amp; soft)\u003c\/li\u003e\n\u003cli\u003eAluminum\u003c\/li\u003e\n\u003cli\u003eBrass \u0026amp; bronze\u003c\/li\u003e\n\u003cli\u003eCast iron\u003c\/li\u003e\n\u003cli\u003eSuper alloys\u003c\/li\u003e\n\u003cli\u003eTitanium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStock removal\u003c\/li\u003e\n\u003cli\u003eBeveling\u003c\/li\u003e\n\u003cli\u003eDeburring\u003c\/li\u003e\n\u003cli\u003eWeld blending\u003c\/li\u003e\n\u003cli\u003eSurface preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive:\u003c\/strong\u003e Zirconia Alumina (ZA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e R822 BlueFire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 4‑1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArbor Hole:\u003c\/strong\u003e 7\/8\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Type:\u003c\/strong\u003e Type 27 (Flat)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Fiberglass \/ resin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e P36, P40, P60, P80, P120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax RPM:\u003c\/strong\u003e 13,300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTier:\u003c\/strong\u003e Better\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5 discs per box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVideos\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hobTBPqx4wc?si=uw227VhwCyq1atG8\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/c-c7TrKQ-C4?si=Oew_4oPTEh7kdjlv\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eSMSDistributors Expert Notes\u003c\/h2\u003e\n\u003cp\u003eThe BlueFire R822 is an excellent choice for shops needing a durable, aggressive flap disc at a lower cost than ceramic options. Its semi‑open flaps and fiberglass backing make it ideal for aluminum, stainless steel, and mixed‑metal fabrication where vibration control and operator comfort matter.\u003c\/p\u003e\n\u003ch2\u003eAbout Us\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSMSDistributors.com\u003c\/strong\u003e is an authorized distributor of Norton Abrasives, supplying professional‑grade grinding and finishing products for automotive, marine, metal fabrication, woodworking, and industrial applications.\u003c\/p\u003e\n\u003ch2\u003eCategory\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Flap Discs, Grinding Wheels \u0026amp; Points, Norton BlueFire R822 Series\u003c\/p\u003e","brand":"Norton","offers":[{"title":"P40 Grit ($22.00 per disc, sold 5 per box)","offer_id":42936257511490,"sku":"03531","price":110.0,"currency_code":"USD","in_stock":true},{"title":"P60 Grit ($21.50 per disc, sold 5 per box)","offer_id":45285627002946,"sku":"03532","price":107.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0118\/2262\/files\/NortonBlueFireFlapDisc_4.5Inch_P40Grit_FiberglassHub_Flat_T27_R884PZA_03531_1.jpg?v=1769392346","url":"https:\/\/www.smsdistributors.com\/products\/norton-bluefire-r822-4-5in-flap-disc-t27","provider":"SMSDistributors.com","version":"1.0","type":"link"}