{"product_id":"wa-5pcs-4-1-2x7-8-curved-edge-fillet-weld-zirconia-flap-disc-sanding-disc-grinding-wheel-for-angle-grinder-metal-stainless-steel-woodworking-4-1-2-inch-grit-80","title":"5 PACK 4-1\/2\" x 7\/8\" Curved Edge 80 Grit Zirconia Flap Discs for Metal \u0026 Stainless Steel","description":"\u003cp\u003eWhitby Abrasives 4-1\/2\" curved-edge zirconia flap discs combine aggressive grinding and finishing in one abrasive, with a half-curved face that excels on fillet welds, corners, and contoured surfaces. Constructed with top-grade hard zirconia grain on a high-strength fiberglass backing, this 5-pack of 80-grit discs delivers fast stock removal and a long, cost-effective service life on metal and stainless steel.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCurved edge for fillet welds, corners, and hard-to-reach areas\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade high-density zirconia grain for durability\u003c\/li\u003e\n\u003cli\u003eGrinds and finishes in one step\u003c\/li\u003e\n\u003cli\u003eHigh-strength fiberglass backing runs cool and resists cracking\u003c\/li\u003e\n\u003cli\u003eFits standard angle grinders with a 7\/8\" arbor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFillet weld grinding and blending\u003c\/li\u003e\n\u003cli\u003eCorner and contour work\u003c\/li\u003e\n\u003cli\u003eDeburring and edge work\u003c\/li\u003e\n\u003cli\u003eSurface finishing on steel and stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is a flap disc used for?\u003c\/strong\u003e\u003cbr\u003eA: It grinds and finishes in one step — weld blending, deburring, rust and paint removal, and surface finishing on metal and wood.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the curved edge for?\u003c\/strong\u003e\u003cbr\u003eA: The half-curved face improves contact on fillet welds, corners, and contoured surfaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What grinder do these fit?\u003c\/strong\u003e\u003cbr\u003eA: Standard 4-1\/2\" angle grinders with a 7\/8\" arbor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Which grit is this?\u003c\/strong\u003e\u003cbr\u003eA: 80 grit — a medium grit for general grinding, blending, and finishing.\u003c\/p\u003e\u003ch2\u003eWhy choose Whitby Abrasives\u003c\/h2\u003e\u003cp\u003eWhitby Abrasives Inc. is a Canadian supplier of professional grinding, cutting, sanding, and finishing abrasives. We focus on consistent quality, fair pricing, and fast shipping across Canada so fabricators, welders, woodworkers, contractors, and DIYers get abrasives that perform job after job. Have a question about sizing or the right grit for your project? Our team is happy to help.\u003c\/p\u003e","brand":"Whitby Abrasives","offers":[{"title":"Default Title","offer_id":47870703796445,"sku":"45-78-80-5-C-8-22","price":16.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/456c859c.jpg?v=1777666780","url":"https:\/\/whitbyabrasives.ca\/products\/wa-5pcs-4-1-2x7-8-curved-edge-fillet-weld-zirconia-flap-disc-sanding-disc-grinding-wheel-for-angle-grinder-metal-stainless-steel-woodworking-4-1-2-inch-grit-80","provider":"Whitby Abrasives Inc.","version":"1.0","type":"link"}