{"title":"Concrete, Stone and Masonry Abrasives","description":"\u003cp\u003eThis collection brings together concrete, stone and masonry abrasives for angle grinders and polishers, for countertop installers, tile setters and contractors who work with stone and concrete. It covers 4-1\/2\" diamond blades for cutting tile, granite and marble, silicon carbide masonry flap discs for finishing stone, and diamond wet polishing pads that take concrete and stone from 50 grit to 3000 grit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4-1\/2\" diamond blades with a 7\/8\" arbor, including a continuous wave rim blade, for cutting ceramic and porcelain tile, granite, marble and stone, wet or dry\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" x 7\/8\" silicon carbide masonry flap discs, 10 per pack, including 120 grit, for granite, marble, stone and glass, plus wood and non-ferrous metals\u003c\/li\u003e\n\u003cli\u003e4\" diamond wet polishing pads, 11 per set: 50, 100, 150, 200, 300, 400, 800, 1000, 1500, 2000 and 3000 grit\u003c\/li\u003e\n\u003cli\u003e5\" diamond polishing pads, 7 per set: 50, 100, 200, 400, 800, 1500 and 3000 grit\u003c\/li\u003e\n\u003cli\u003eResin-bonded diamond pads with a hook and loop back, for an angle grinder or polisher fitted with a hook and loop backer\u003c\/li\u003e\n\u003cli\u003ePads listed for concrete, granite, marble, terrazzo, travertine, slate, glass and ceramics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich concrete grinding disc should I use on an angle grinder?\u003c\/h3\u003e\u003cp\u003eUse the diamond wet polishing pads on a hook and loop backer: they are the products in this collection that list concrete in their suitable materials. They are polishing pads, so start at 50 grit and work up through each grit in the set. Never exceed the maximum RPM marked on the pad or backer.\u003c\/p\u003e\u003ch3\u003eWhat is a masonry grinding disc used for?\u003c\/h3\u003e\u003cp\u003eIn this collection, the masonry discs are silicon carbide flap discs for polishing and finishing granite, marble and stone. They fit a 4-1\/2\" angle grinder with a 7\/8\" arbor and are also listed for glass, wood and non-ferrous metals. For straight cuts in tile or stone, use one of the 4-1\/2\" diamond blades.\u003c\/p\u003e\u003ch3\u003eWhat grit concrete sanding disc should I start with?\u003c\/h3\u003e\u003cp\u003eStart with the coarsest pad the surface needs, usually 50 grit on rough concrete or stone, then move through each grit in order. The 5\" set steps 50, 100, 200, 400, 800, 1500 and 3000. The 4\" set adds 150, 300, 1000 and 2000 for smaller jumps. Skipping a grit leaves scratches the next pad struggles to remove.\u003c\/p\u003e\u003ch3\u003eCan I use a flap disc on concrete?\u003c\/h3\u003e\u003cp\u003eNot the flap discs in this collection. They are listed for granite, marble, stone, glass, wood and non-ferrous metals, and concrete is not on that list. For concrete surfaces, use the diamond polishing pads, which list concrete.\u003c\/p\u003e\u003cp\u003eSee the full range of \u003ca href=\"\/collections\/diamond-tools\"\u003ediamond blades and polishing pads\u003c\/a\u003e, and read our guides on \u003ca href=\"\/blogs\/news\/silica-dust-safety-grinding-metal\"\u003edust and silica safety when cutting and grinding\u003c\/a\u003e and \u003ca href=\"\/blogs\/news\/aluminum-oxide-vs-silicon-carbide\"\u003ealuminum oxide vs silicon carbide\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"wa-grinder-4-1-2-inch-diamond-saw-blade-for-cutting-porcelain-tiles-cutting-wheel-for-tiles-granite-marble-ceramics-porcelain-ideally-used-with-tile-saw-and-angle-grinder-max-rpm-12-000-wave","title":"4-1\/2\" Wave Diamond Saw Blade for Tile, Granite \u0026 Marble","description":"\u003cp class=\"wa-rating-line\"\u003e\u003cstrong\u003eCustomer rating:\u003c\/strong\u003e 4.3 out of 5 from 28 customer ratings on our online marketplace store (November 2026).\u003c\/p\u003e\u003cp\u003eWhitby Abrasives 4 1\/2\" wave diamond cutting blade is designed for cutting ceramic tile, porcelain, granite, marble, and other hard stone surfaces with angle grinders. The wave rim design provides a smooth, clean cut on brittle surfaces. Rated to MAX 12,000 RPM.\u003c\/p\u003e\u003cp\u003eDiamond abrasive provides far longer service life than conventional abrasive wheels when cutting hard, brittle materials such as tile, stone, and porcelain. These blades are well-suited for tile setters, countertop fabricators, and contractors working with hard surface materials.\u003c\/p\u003e\u003cp\u003eEach blade is made with a high-concentration diamond segment bonded to a steel core for long-lasting performance and smooth, chip-free cuts on hard surfaces.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePremium diamond segment for cutting hard tile, stone, and ceramic\u003c\/li\u003e\n\u003cli\u003eThin kerf design reduces cutting effort and chip-out on brittle surfaces\u003c\/li\u003e\n\u003cli\u003eContinuous wave rim for clean, smooth edge finish\u003c\/li\u003e\n\u003cli\u003eDry and wet cutting capability for versatile jobsite use\u003c\/li\u003e\n\u003cli\u003eBalanced design minimizes vibration and extends blade life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eSuitable for cutting:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eceramic tile\u003c\/li\u003e\n\u003cli\u003eporcelain tile\u003c\/li\u003e\n\u003cli\u003egranite\u003c\/li\u003e\n\u003cli\u003emarble\u003c\/li\u003e\n\u003cli\u003enatural stone\u003c\/li\u003e\n\u003cli\u003eengineered stone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSafety note\u003c\/h2\u003e\u003cp\u003eAlways wear proper eye, face, hand, hearing, and body protection. Use only with compatible tools, guards, and operating speeds, and confirm the tool speed does not exceed the maximum RPM marked on the blade. Inspect each blade before use; never use a cracked, dropped, or damaged blade. Follow the tool manufacturer's instructions and applicable abrasive safety practices.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What can I cut with this blade?\u003c\/strong\u003e\u003cbr\u003eA: Ceramic tile, porcelain, granite, marble, and natural or engineered stone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use it wet and dry?\u003c\/strong\u003e\u003cbr\u003eA: Yes — it is rated for both dry and wet cutting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What tool does it fit?\u003c\/strong\u003e\u003cbr\u003eA: 4-1\/2\" angle grinders with a 7\/8\" arbor. The grinder's rated speed must not exceed the blade's maximum of 12,000 RPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Why diamond instead of an abrasive wheel?\u003c\/strong\u003e\u003cbr\u003eA: Diamond lasts far longer and cuts cleaner on hard, brittle materials like tile and stone.\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":47870704255197,"sku":"5V-UNSZ-Z72Q","price":7.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/c4754328.jpg?v=1777666748"},{"product_id":"wa-4-1-2-diamond-blade-cutting-wheel-thin-diamond-saw-blade-for-angle-grinder-cutting-tiles-granite-marble-ceramics-porcelain-diameter-4-1-2-inch-by-7-8-inch-max-rpm-12-000","title":"4-1\/2\" Diamond Cutting Blade for Tile, Granite \u0026 Marble","description":"\u003cp class=\"wa-rating-line\"\u003e\u003cstrong\u003eCustomer rating:\u003c\/strong\u003e 4.7 out of 5 from 13 customer ratings on our online marketplace store (November 2026).\u003c\/p\u003e\u003cp\u003eWhitby Abrasives 4 1\/2\" diamond cutting blade is designed for cutting ceramic tile, porcelain, granite, marble, and other hard stone surfaces with angle grinders. Rated to MAX 12,000 RPM.\u003c\/p\u003e\u003cp\u003eDiamond abrasive provides far longer service life than conventional abrasive wheels when cutting hard, brittle materials such as tile, stone, and porcelain. These blades are well-suited for tile setters, countertop fabricators, and contractors working with hard surface materials.\u003c\/p\u003e\u003cp\u003eEach blade is made with a high-concentration diamond segment bonded to a steel core for long-lasting performance and smooth, chip-free cuts on hard surfaces.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePremium diamond segment for cutting hard tile, stone, and ceramic\u003c\/li\u003e\n\u003cli\u003eThin kerf design reduces cutting effort and chip-out on brittle surfaces\u003c\/li\u003e\n\u003cli\u003eContinuous or segmented rim for clean, smooth edge finish\u003c\/li\u003e\n\u003cli\u003eDry and wet cutting capability for versatile jobsite use\u003c\/li\u003e\n\u003cli\u003eBalanced design minimizes vibration and extends blade life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eceramic and porcelain tile\u003c\/li\u003e\n\u003cli\u003egranite and marble\u003c\/li\u003e\n\u003cli\u003enatural and engineered stone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What can I cut with this blade?\u003c\/strong\u003e\u003cbr\u003eA: Ceramic tile, porcelain, granite, marble, and natural or engineered stone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use it wet and dry?\u003c\/strong\u003e\u003cbr\u003eA: Yes — it is rated for both dry and wet cutting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What tool does it fit?\u003c\/strong\u003e\u003cbr\u003eA: 4-1\/2\" angle grinders with a 7\/8\" arbor. The grinder's rated speed must not exceed the blade's maximum of 12,000 RPM.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Why diamond instead of an abrasive wheel?\u003c\/strong\u003e\u003cbr\u003eA: Diamond lasts far longer and cuts cleaner on hard, brittle materials like tile and stone.\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":47870709072093,"sku":"GO-BVIL-2UKO","price":7.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/d3e81c4b.jpg?v=1777666748"},{"product_id":"wa-10pcs-4-1-2-x-7-8-masonry-silicon-carbide-flap-disc-angle-grinder-for-non-metallic-marble-wood-concrete-glass-cast-iron-4-1-2-inch-grit-120","title":"4-1\/2\" x 7\/8\" Silicon Carbide Flap Discs for Stone, Marble \u0026 Granite","description":"\u003cul\u003e\n\u003cli\u003eHIGH QUALITY - Premium silicon carbide materials offer you fast, smooth polishing and a long disc life.\u003c\/li\u003e\n\u003cli\u003eMULTIPURPOSE - Ideal for polishing on granite, marble, stone, wood, glass, plexiglass, titanium and titanium alloys.\u003c\/li\u003e\n\u003cli\u003eSIZE - 4 1\/2\" Diameter, 7\/8\" Arbor\u003c\/li\u003e\n\u003cli\u003ePACKAGE - 10PCS\u003c\/li\u003e\n\u003cli\u003eSilicon carbide is the hardest of all common abrasive materials. It is very sharp, but friable, leaving new sharp edges for cutting. It is initially fast-cutting but has a short life span. It is ideal for use on non-ferrous metals like aluminum, brass, bronze, magnesium and titanium and non-metallics.\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 difference between Type 27 and Type 29 flap discs?\u003c\/strong\u003e\u003cbr\u003eA: Type 27 is flat for surface and edge work on flat areas; Type 29 is conical for more aggressive stock removal and better contact on edges and contours.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What grinder do these fit?\u003c\/strong\u003e\u003cbr\u003eA: Standard angle grinders matching the arbor size listed in the title and specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Which grit should I choose?\u003c\/strong\u003e\u003cbr\u003eA: Use a coarse grit (36–40) for heavy stock removal, medium (60–80) for general grinding, and fine (120+) for 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":"10 PC","offer_id":47870709629149,"sku":"IG-E6Z0-5W78","price":15.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/ea2aad0b.jpg?v=1777666761"},{"product_id":"wa-grinder-7pcs-5-inch-diamond-polishing-pads-assorted-grits-50-100-200-400-800-1500-3000-wet-polishing-set-for-granite-stone-concrete-marble-5-inch","title":"5\" Diamond Polishing Pads, Assorted Grits, Wet Polishing Set for Granite","description":"\u003cp class=\"wa-rating-line\"\u003e\u003cstrong\u003eCustomer rating:\u003c\/strong\u003e 5.0 out of 5 from 5 customer ratings on our online marketplace store (November 2026).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMULTIPURPOSE - For stone, granite, glass, marble, ceramics, crystal, concrete, terrazzo, travertine, and slate.\u003c\/li\u003e\n\u003cli\u003eMATERIAL - Diamond powder impregnated in resin. Aggressive and durable.\u003c\/li\u003e\n\u003cli\u003eFLEXIBILITY - Bendable and flexible for flat and curved surfaces and beveled edges; removes scratches from stone efficiently.\u003c\/li\u003e\n\u003cli\u003eEASY-TO-USE - Firm attachment with hook and loop back holder for easy installation and removal.\u003c\/li\u003e\n\u003cli\u003ePACKAGE - 7 PACK diamond polishing pads.\u003c\/li\u003e\n\u003cli\u003eSIZE - 5\" includes Grit 50, 100, 200, 400, 800, 1500, 3000.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Can these be used wet and dry?\u003c\/strong\u003e\u003cbr\u003eA: Yes — wet gives the smoothest finish and longest life; dry is convenient for quick jobs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What can I polish?\u003c\/strong\u003e\u003cbr\u003eA: Concrete, granite, marble, quartz, porcelain, and natural stone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What order do I use the grits?\u003c\/strong\u003e\u003cbr\u003eA: Work from the coarsest (50) up to the finest (3000) for a high-gloss finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What do I need to use them?\u003c\/strong\u003e\u003cbr\u003eA: An angle grinder or polisher and a hook-and-loop backer pad.\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":"7 PC","offer_id":47870710612189,"sku":"OJ-7VUR-ULR9","price":29.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/3879b2dc.jpg?v=1777666752"},{"product_id":"wa-11pack-4-inch-diamond-polishing-pads-assorted-grits-50-3000-wet-polishing-set-for-granite-stone-concrete-marble-4-inch","title":"4\" Diamond Wet Polishing Pads – 50 to 3000 Grit for Stone, Granite \u0026 Concrete","description":"\u003cul\u003e\n\u003cli\u003eMULTIPURPOSE - Mainly used for stone, granite, glass, marble, ceramics, crystal, concrete, terrazzo, travertine, and slate.\u003c\/li\u003e\n\u003cli\u003eMATERIAL - Diamond powder impregnated in resin. Aggressive and durable.\u003c\/li\u003e\n\u003cli\u003eFLEXIBILITY - Bendable and flexible. Ideal for flat and curved surfaces, as well as beveled edges. Removes scratches from different types of stone efficiently.\u003c\/li\u003e\n\u003cli\u003eEASY-TO-USE - Firm attachment with hook and loop back holder. Easy installation and removal.\u003c\/li\u003e\n\u003cli\u003ePACKAGE - 11 PACK diamond polishing pad.\u003c\/li\u003e\n\u003cli\u003eSIZE - 4\" includes Grit 50, 100, 150, 200, 300, 400, 800, 1000, 1500, 2000, 3000.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Can these be used wet and dry?\u003c\/strong\u003e\u003cbr\u003eA: Yes — wet gives the smoothest finish and longest life; dry is convenient for quick jobs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What can I polish?\u003c\/strong\u003e\u003cbr\u003eA: Concrete, granite, marble, quartz, porcelain, and natural stone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What order do I use the grits?\u003c\/strong\u003e\u003cbr\u003eA: Work from the coarsest grit up to the finest for a high-gloss finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What do I need to use them?\u003c\/strong\u003e\u003cbr\u003eA: An angle grinder or polisher and a hook-and-loop backer pad.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Does this set include a 1000 grit polishing pad?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 11-pack has one 4\" (100 mm) diamond pad in each grit: 50, 100, 150, 200, 300, 400, 800, 1000, 1500, 2000, and 3000. Use the 1000 grit pad after 800 and before 1500 as you work from coarse to fine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the 2000 grit polishing pad for?\u003c\/strong\u003e\u003cbr\u003eA: It is a fine polishing pad used near the end of the sequence, after 1500 and before 3000, to bring stone, granite, and concrete up to a high-gloss finish. Wet polishing gives the smoothest result. See all \u003ca href=\"\/collections\/concrete-masonry-abrasives\"\u003econcrete and stone abrasives\u003c\/a\u003e.\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":"11 PC","offer_id":47870712742109,"sku":"W6-TXEN-9542","price":17.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/3e069064.jpg?v=1777666752"},{"product_id":"wa-grinder-7pack-5-inch-diamond-polishing-pads-assorted-grits-50-100-200-400-800-1500-3000-wet-polishing-set-for-granite-stone-concrete-marble-5-inch","title":"5\" Diamond Wet Polishing Pads – 50 to 3000 Grit for Stone \u0026 Concrete","description":"\u003cp class=\"wa-rating-line\"\u003e\u003cstrong\u003eCustomer rating:\u003c\/strong\u003e 5.0 out of 5 from 5 customer ratings on our online marketplace store (November 2026).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMULTIPURPOSE - For stone, granite, glass, marble, ceramics, crystal, concrete, terrazzo, travertine, and slate.\u003c\/li\u003e\n\u003cli\u003eMATERIAL - Diamond powder impregnated in resin. Aggressive and durable.\u003c\/li\u003e\n\u003cli\u003eFLEXIBILITY - Bendable and flexible for flat and curved surfaces and beveled edges; removes scratches from stone efficiently.\u003c\/li\u003e\n\u003cli\u003eEASY-TO-USE - Firm attachment with hook and loop back holder for easy installation and removal.\u003c\/li\u003e\n\u003cli\u003ePACKAGE - 7 PACK diamond polishing pads.\u003c\/li\u003e\n\u003cli\u003eSIZE - 5\" includes Grit 50, 100, 200, 400, 800, 1500, 3000.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Can these be used wet and dry?\u003c\/strong\u003e\u003cbr\u003eA: Yes — wet gives the smoothest finish and longest life; dry is convenient for quick jobs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What can I polish?\u003c\/strong\u003e\u003cbr\u003eA: Concrete, granite, marble, quartz, porcelain, and natural stone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What order do I use the grits?\u003c\/strong\u003e\u003cbr\u003eA: Work from the coarsest (50) up to the finest (3000) for a high-gloss finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What do I need to use them?\u003c\/strong\u003e\u003cbr\u003eA: An angle grinder or polisher and a hook-and-loop backer pad.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What are these diamond polishing pads made of?\u003c\/strong\u003e\u003cbr\u003eA: Each diamond wet polishing pad is diamond powder impregnated in resin, which makes it aggressive and durable. The pads bend and flex to follow flat and curved surfaces and beveled edges, and they remove scratches from stone efficiently.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use these as concrete polishing pads?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Concrete and terrazzo are among the surfaces these pads polish, along with granite, marble, and slate. For a high-gloss finish, work wet and move from 50 grit up through 3000. See all \u003ca href=\"\/collections\/concrete-masonry-abrasives\"\u003econcrete and stone abrasives\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What comes in this set of 5\" polishing pads?\u003c\/strong\u003e\u003cbr\u003eA: You get seven 5\" (125 mm) pads, one each in 50, 100, 200, 400, 800, 1500, and 3000 grit. That covers the full sequence from coarse scratch removal to a high-gloss finish on stone and concrete.\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":"7 PC","offer_id":47964402778333,"sku":"OJ-7VUR-ULR9","price":39.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/3879b2dc.jpg?v=1777666752"},{"product_id":"wa-10pack-4-1-2-x-7-8-masonry-silicon-carbide-flap-disc-angle-grinder-for-non-metallic-marble-wood-concrete-glass-cast-iron-4-1-2-inch-grit-120","title":"4-1\/2\" x 7\/8\" Silicon Carbide Masonry Flap Discs, 120 Grit","description":"\u003cul\u003e\n\u003cli\u003eHIGH QUALITY - Premium silicon carbide materials offer you fast, smooth polishing and a long disc life.\u003c\/li\u003e\n\u003cli\u003eMULTIPURPOSE - Ideal for polishing on granite, marble, stone, wood, glass, plexiglass, titanium and titanium alloys.\u003c\/li\u003e\n\u003cli\u003eSIZE - 4 1\/2\" Diameter, 7\/8\" Arbor, 120 grit.\u003c\/li\u003e\n\u003cli\u003ePACKAGE - 10 PACK\u003c\/li\u003e\n\u003cli\u003eSilicon carbide is the hardest of all common abrasive materials. It is very sharp, but friable, leaving new sharp edges for cutting. It is ideal for use on non-ferrous metals like aluminum, brass, bronze, magnesium and titanium and non-metallics.\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 difference between Type 27 and Type 29 flap discs?\u003c\/strong\u003e\u003cbr\u003eA: Type 27 is flat for surface and edge work on flat areas; Type 29 is conical for more aggressive stock removal and better contact on edges and contours.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What grinder do these fit?\u003c\/strong\u003e\u003cbr\u003eA: Standard angle grinders matching the arbor size listed in the title and specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Which grit should I choose?\u003c\/strong\u003e\u003cbr\u003eA: Use a coarse grit (36–40) for heavy stock removal, medium (60–80) for general grinding, and fine (120+) for 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":"10 PC","offer_id":47964404089053,"sku":"IG-E6Z0-5W78","price":15.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0821\/2693\/0141\/files\/ea2aad0b.jpg?v=1777666761"}],"url":"https:\/\/whitbyabrasives.ca\/collections\/concrete-masonry-abrasives.oembed","provider":"Whitby Abrasives Inc.","version":"1.0","type":"link"}