{"product_id":"norton-77696097542-flap-disc-4-1-2-in-type-27-aluminum-oxide","title":"Norton 77696097542 Flap Disc 4-1\/2 in Type 27 Aluminum Oxide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NORTON 77696097542 is a Type 27 non-woven flap disc designed for surface finishing, blending, and light material removal. It measures 4-1\/2 inches in diameter with a 7\/8 inch center arbor hole and is constructed with an aluminum oxide abrasive bonded to a fiberglass backing. Rated at a maximum of 13,300 RPM, this disc is built for use on angle grinders in demanding shop and field environments. The very fine grade makes it well-suited for final surface prep, deburring, and finishing passes where controlled stock removal and a consistent surface finish are the primary goals. Licensed tradespeople and fabrication professionals are the primary installers and users of this product.\u003c\/p\u003e\u003cp\u003eThis flap disc is used in metal fabrication, welding cleanup, and surface conditioning applications across residential and commercial settings. The Type 27 flat profile is the standard choice when working on flat surfaces or inside corners, allowing the disc to sit flush against the workpiece for even contact. The non-woven construction provides a more flexible, conforming cut compared to coated abrasive flap discs, making it effective for blending welds, removing light oxidation, and prepping metal surfaces before coating or inspection. Fabricators, pipefitters, and ironworkers commonly reach for this disc during finishing stages of a project.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eType 27 flat profile for flush surface contact on flat stock and inside corners\u003c\/li\u003e\n\u003cli\u003eAluminum oxide abrasive material for consistent cutting action on ferrous and non-ferrous metals\u003c\/li\u003e\n\u003cli\u003eNon-woven construction provides flexibility and conformability for blending and finishing\u003c\/li\u003e\n\u003cli\u003eFiberglass backing offers structural support and durability under high-speed use\u003c\/li\u003e\n\u003cli\u003eVery fine grade suited for final finishing, deburring, and surface prep before coating\u003c\/li\u003e\n\u003cli\u003eRated to 13,300 RPM for compatibility with standard 4-1\/2 inch angle grinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with standard 4-1\/2 inch angle grinders equipped with a 7\/8 inch arbor, which is the most common spindle configuration in this disc size class.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by grinding professionals, fabricators, or tradespeople familiar with angle grinder operation. Always confirm the grinder's rated RPM meets or exceeds the disc's 13,300 RPM maximum before mounting. Power down and disconnect the grinder from its power source before changing discs. Inspect the disc for damage prior to use and ensure the arbor nut is properly tightened with the appropriate wrench before operating.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Diameter\u003c\/strong\u003e: 4-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Hole Size\u003c\/strong\u003e: 7\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlap Disc Type\u003c\/strong\u003e: Type 27\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Material\u003c\/strong\u003e: Aluminum Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Type\u003c\/strong\u003e: Non-Woven\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Very Fine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking Material\u003c\/strong\u003e: Fiberglass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Color\u003c\/strong\u003e: Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum RPM\u003c\/strong\u003e: 13,300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttachment Type\u003c\/strong\u003e: Arbor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 4.5 x 4.5 x 0.88 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.18 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NORTON\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 77696097542\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NORTON","offers":[{"title":"Default Title","offer_id":51540608221490,"sku":"77696097542","price":28.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/89d0facb55478c5a250ed7f4159008bc.jpg?v=1785859943","url":"https:\/\/voomisupply.com\/products\/norton-77696097542-flap-disc-4-1-2-in-type-27-aluminum-oxide","provider":"Voomi Supply","version":"1.0","type":"link"}