{"product_id":"norton-66623399002-flap-disc-80-grit-4-5-in-type-27","title":"Norton 66623399002 Flap Disc 80 Grit 4.5 in Type 27","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NORTON 66623399002 is a Type 27 coated flap disc designed for aggressive material removal and surface blending on metal. It uses ceramic alumina abrasive, a self-sharpening grain that maintains cut rate longer than standard aluminum oxide under high-pressure grinding. The disc measures 4.5 inches in diameter with a 5\/8-11 arbor hole and carries an 80 grit medium grade rating. A polyester backing supports the flap stack, providing flexibility during contouring work. Maximum operating speed is 13,300 RPM. This disc is suited for use on angle grinders operated by welders, fabricators, and metalworking tradespeople performing weld blending, deburring, and surface prep.\u003c\/p\u003e\u003cp\u003eThis flap disc is used primarily in metal fabrication shops, welding operations, and structural steel work where consistent stock removal and a smooth finish are required in a single pass. The Type 27 flat-profile design works well on flat and slightly contoured surfaces. The trimmable construction allows the operator to expose fresh abrasive as the disc wears, extending usable life. The green disc color identifies the ceramic alumina grain series within the NORTON product line.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCeramic alumina abrasive grain for extended cut life and consistent performance under pressure\u003c\/li\u003e\n\u003cli\u003eType 27 flat profile suited for flat surface grinding and weld blending\u003c\/li\u003e\n\u003cli\u003e80 grit medium grade balances stock removal with surface finish quality\u003c\/li\u003e\n\u003cli\u003ePolyester backing provides flexibility for light contouring applications\u003c\/li\u003e\n\u003cli\u003eTrimmable flap construction extends disc service life\u003c\/li\u003e\n\u003cli\u003e5\/8-11 arbor attachment fits standard angle grinder spindles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use on angle grinders with a 5\/8-11 spindle thread accepting 4.5 inch Type 27 flap discs rated at or below 13,300 RPM.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified personnel familiar with abrasive wheel safety per ANSI B7.1 guidelines. Always confirm the grinder's rated RPM does not exceed the disc maximum of 13,300 RPM before mounting. Power down and disconnect the tool from its power source before mounting or removing the disc. Never exceed the maximum RPM rating and always use the appropriate guard for Type 27 disc operation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Diameter\u003c\/strong\u003e: 4.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Hole Size\u003c\/strong\u003e: 5\/8-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlap Disc Type\u003c\/strong\u003e: Type 27\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrit\u003c\/strong\u003e: 80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: Medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Material\u003c\/strong\u003e: Ceramic Alumina\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Type\u003c\/strong\u003e: Coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking Material\u003c\/strong\u003e: Polyester\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttachment Type\u003c\/strong\u003e: Arbor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum RPM\u003c\/strong\u003e: 13,300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrimmable\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Color\u003c\/strong\u003e: Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 6.1 inches x 13 inches x 5.7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\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: 66623399002\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NORTON","offers":[{"title":"Default Title","offer_id":51540227490098,"sku":"66623399002","price":139.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c1b3c50da339c42c2deb815084a9b72c.jpg?v=1785849516","url":"https:\/\/voomisupply.com\/products\/norton-66623399002-flap-disc-80-grit-4-5-in-type-27","provider":"Voomi Supply","version":"1.0","type":"link"}