{"product_id":"indasa-3in-zirconium-locking-discs-7303z-series","title":"Indasa 3\" Rhynolock Zirconium Locking Discs, R-Type, 7303Z Series","description":"\u003ch3\u003e\u003ca href=\"https:\/\/www.smsdistributors.com\/collections\/indasa-collection\" title=\"Indasa Collection\"\u003e \u003cimg alt=\"Indasa Collection\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0118\/2262\/files\/Indasa_Logo_small.jpg?536\" width=\"69\" height=\"80\"\u003e \u003c\/a\u003e\u003c\/h3\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIndasa Rhynolock 3\" Zirconium Locking Discs – 7303Z Series\u003c\/strong\u003e are high‑performance coated abrasive discs engineered for aggressive stock removal, weld burr removal, deburring, edge breaking, and surface leveling. These discs use premium \u003cstrong\u003eZirconia Alumina grain\u003c\/strong\u003e designed for high pressure grinding, superior heat resistance, and long life on hard metals.\u003c\/p\u003e\n\u003cp\u003eThe discs feature a durable \u003cstrong\u003eplastic plate + X‑cloth backing\u003c\/strong\u003e that is crease‑ and tear‑resistant, making them ideal for demanding industrial applications. The QuickFix \u003cstrong\u003eR‑Type\u003c\/strong\u003e (Type III) roll‑on screw attachment allows fast disc changes without tools, improving productivity in high‑volume environments.\u003c\/p\u003e\n\u003cp\u003eAvailable in \u003cstrong\u003eP24, P36 and P50\u003c\/strong\u003e grits, these 3\" discs excel on ferrous metals, stainless steel, hard metals, exotic alloys, and composites.\u003c\/p\u003e\n\u003cp\u003ePackaged 25 discs per box.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZirconia Alumina grain\u003c\/strong\u003e for high pressure grinding and superior heat resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh initial cutting action\u003c\/strong\u003e for rapid stock removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly resistant backing\u003c\/strong\u003e for crease and tear resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh‑strength resin bond\u003c\/strong\u003e minimizes grit shedding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuickFix R‑Type screw attachment\u003c\/strong\u003e for fast, tool‑free disc changes\u003c\/li\u003e\n\u003cli\u003eIdeal for weld burr removal, heavy grinding, and hard metal applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSuitable Materials\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSteel and stainless steel\u003c\/li\u003e\n\u003cli\u003eHard metals\u003c\/li\u003e\n\u003cli\u003eHigh‑nickel alloys\u003c\/li\u003e\n\u003cli\u003eTitanium\u003c\/li\u003e\n\u003cli\u003eExotic alloys\u003c\/li\u003e\n\u003cli\u003eMetal matrix composites\u003c\/li\u003e\n\u003cli\u003eHard composites\u003c\/li\u003e\n\u003cli\u003eFiberglass\u003c\/li\u003e\n\u003cli\u003eOld paint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWeld burr removal\u003c\/li\u003e\n\u003cli\u003eWeld seam cleanup\u003c\/li\u003e\n\u003cli\u003eHeavy duty grinding\u003c\/li\u003e\n\u003cli\u003eAggressive stock removal\u003c\/li\u003e\n\u003cli\u003eDeburring and edge breaking\u003c\/li\u003e\n\u003cli\u003eSurface leveling and blending\u003c\/li\u003e\n\u003cli\u003eMold and cavity grinding\u003c\/li\u003e\n\u003cli\u003eGrinding hard composites and exotic metals\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacking:\u003c\/strong\u003e Plastic plate + X‑cloth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttachment:\u003c\/strong\u003e R‑Type (Type III, Roloc® compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\" diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrits:\u003c\/strong\u003e P24, P36, P50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding:\u003c\/strong\u003e Modified synthetic resins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Dry use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax RPM:\u003c\/strong\u003e 20,000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 25 discs per box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComparison With Other Major Brands\u003c\/h2\u003e\n\u003cp\u003eIndasa 7303Z Zirconium Locking Discs follow the same industry‑standard construction used by other high‑performance quick‑change grinding discs. The table below compares Indasa Zirconium discs to similar products in terms of grain type, backing, and performance characteristics.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eAbrasive Grain\u003c\/th\u003e\n\u003cth\u003eBacking\u003c\/th\u003e\n\u003cth\u003eAttachment\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndasa 7303Z\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZirconia Alumina\u003c\/td\u003e\n\u003ctd\u003ePlastic plate + X‑cloth\u003c\/td\u003e\n\u003ctd\u003eR‑Type QuickFix\u003c\/td\u003e\n\u003ctd\u003eHigh heat resistance; ideal for hard metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNorton R822 \/ R823\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZirconia Alumina\u003c\/td\u003e\n\u003ctd\u003eCloth\u003c\/td\u003e\n\u003ctd\u003eTR\/TS Roloc®\u003c\/td\u003e\n\u003ctd\u003eSimilar high‑pressure grinding performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMerit Zirconia Mini Grind\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZirconia Alumina\u003c\/td\u003e\n\u003ctd\u003eCloth\u003c\/td\u003e\n\u003ctd\u003eRoloc® compatible\u003c\/td\u003e\n\u003ctd\u003eComparable stock removal and durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003esia 1353 Standard Zirconia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZirconia Alumina\u003c\/td\u003e\n\u003ctd\u003eCloth\u003c\/td\u003e\n\u003ctd\u003eRoloc® compatible\u003c\/td\u003e\n\u003ctd\u003eStrong zirconia performance on stainless and hard metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3M Roloc® Zirc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZirconia Alumina\u003c\/td\u003e\n\u003ctd\u003eCloth\u003c\/td\u003e\n\u003ctd\u003eRoloc® TR™\u003c\/td\u003e\n\u003ctd\u003eIndustry‑standard zirconia grinding discs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eComparison data is provided for general reference only. Specifications may vary by manufacturer, product batch, or region and should be verified with each brand.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eSMSDistributors Expert Notes\u003c\/h2\u003e\n\u003cp\u003eThe 7303Z Series offers the same aggressive cutting performance as the 2\" version, but with a larger 3\" footprint for increased coverage and smoother grinding on wider surfaces. Zirconia Alumina grain excels under high pressure, making these discs ideal for stainless steel, titanium, exotic alloys, and hard composites.\u003c\/p\u003e\n\u003cp\u003eThe QuickFix R‑Type attachment ensures fast disc changes, improving productivity in automotive, marine, industrial, and fabrication environments. These discs are a reliable alternative to Norton, Merit, sia, and 3M zirconia quick‑change discs.\u003c\/p\u003e\n\u003ch2\u003eAbout Indasa Abrasives\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/vX1cVIwPsoY\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Indasa","offers":[{"title":"24 Grit","offer_id":13702540886082,"sku":"7303Z-24","price":54.0,"currency_code":"USD","in_stock":true},{"title":"36 Grit","offer_id":13702540918850,"sku":"7303Z-36","price":52.0,"currency_code":"USD","in_stock":true},{"title":"50 Grit","offer_id":44547900407874,"sku":"7303Z-50","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0118\/2262\/files\/Indasa_Locking_Discs_Zirc_3_Inch_2.jpg?v=1785371506","url":"https:\/\/www.smsdistributors.com\/products\/indasa-3in-zirconium-locking-discs-7303z-series","provider":"SMSDistributors.com","version":"1.0","type":"link"}