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10 Best grinding discs in Canada
Best Choice01Scotia PROScotia PRO 25 Pack 5" x 1/4" Grinding Wheels for Metal, Angle Grinder Discs
Main highlights- MAXIMUM SAFETY & BALANCE – Reinforced with dual fiberglass mesh and precision-balanced for smooth operation and reduced vibration. Rated 12,200 RPM (80 m/s) for safe, reliable performance.
- FAST CUTTING & COOL GRINDING – 32-grit aluminum-oxide blend slices through metal with less heat buildup and fewer sparks. Maintains consistent performance even under heavy load.
- CANADIAN QUALITY YOU CAN TRUST – Designed and distributed by Scotia PRO in Nova Scotia. Professional performance, Canadian support, and satisfaction guaranteed.
- BUILT FOR PROFESSIONAL METALWORK – Industrial-grade 5″ × ¼″ × 7/8″ discs deliver fast, aggressive stock removal on stainless, mild steel, and iron. Perfect for fabrication shops, welders, and contractors.
- 25-PACK VALUE = LESS DOWNTIME – Bulk pack saves money and time—ideal for high-volume jobs and daily workshop use. Each wheel offers long service life for fewer change-outs.
9.6Exceptional
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- 02SALI
SALI 48 Pack Flap Disc 40 Grit 4.5" x 7/8-Inch Sanding Disc Bevel Type #29 Premium and Industrial Grade Angle Grinder Grinding Wheel High Performance Edge Grinding
Main highlights- [WIDE APPLICATIONS]Applicable for grinding, stock removal, weld blending, debarring / def-lashing, rust removal, blending, cleaning and finishing. Widely used for rust, paint, ferrous metals, stainless steel, non-ferrous metals, wood and plastics; Fits most 4.5” Angle Grinders
- [STOCK REMOVAL]: Each disc is made with coarse 40 grit calcined alumina making this abrasive flap disc ideal for aggressive grinding on hard materials like metal
- [SPECIFICATIONS]: Each disc measures at a 4-1/2-inch diameter with a 7/8-inch arbor size, making it compatible with grinders with a speed of up to 13,300 RPM
- [PREMIUM QUALITY]: These flap discs are constructed with industrial grade premium calcined aluminum abrasive for strength, durability, and extended disc life as it holds up to high temperatures and pressure.The resin fiber construction complemented by the fiberglass backing plate absorbs vibrations without smearing or contaminating workpiece during usage
- [BEVEL]: These Bevel Type 29 discs are angled to be more effective for contours, edge and weld blending, and radius grinding
9.5Excellent
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- 03PRETEC
PRETEC Grinding & Cutting Wheels 4 1/2 inch Set, 20 Packs 4.5" Cut Off Wheels, 3 Packs 4.5" Grinding Wheels, 4.5" 40/60/80 Grit Flap Discs for Cutting Grinding Polishing
Main highlights- With a Covenient Plastic Case & 100% Satisfaction Warranty: All angle grinder disc wheels comes in a covenient box for easy storage. We provide 100% satisfaction services. If you have any problem with our Angle Grinder Discs, please feel free to contact us, and we will reply immediately.
- Grinding Wheel-durable long life & High performance: The 4 1/2 grinding wheel is made of high-quality 3 full sheets of fiberglass for durability and safety, with high grain concentration of the grinder disc is made for aggressive grinding action and smoother running wheels.
- Cut off Wheels - Premium Material & Safe & Long Last to Use: The 20-pack 4-1/2 x 7/8-inch metal/stainless steel cut-off wheel is bonded with corundum and white alundum grain and reinforced by double fiberglass mesh, and with 1/25-inch thin design for fast burr-free cutting with minimal material loss, safety and longer service life.
- 60 Grit 4-1/2" x 7/8" Flap Disc - longevity & Optimal Performance: Made from hard zirconia alumina material, the flap discs last longer than standard aluminum oxide abrasives, featuring angled flaps facilitate for edge-working or contoured applications with greater surface area than flat types.
- 26pcs Angle Grinder Disc 4-1/2 inch & 3 Different Types : The 26 packs angle grinder wheels 4-1/2 inch including 20 Packs 4.5"x1/4"x7/8" Cut off Wheels, 3 Packs 4.5"x7/8" 60 Grit Flap Discs, 3 Packs 4.5"x1/25"x7/8" Grinding Wheels, with each type of disk collectively wrapped with those of its kind. This kit has everything you need to prep steel.
9.2Excellent
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Value for Money04WA GRINDERWA GRINDER 22PACK 4-1/2" x 7/8" inch Assorted Grit Zirconia/Alumina Flap Disc [40Grit(x10), 80Grit(x10), 120Grit(x2)] for Angle Grinder Sanding Disc, Grinder Disc for Metal and Woodworking 4 1/2 Inch
Main highlights- USE CASE - WELDERS, FABRICATORS AND DIY USERS: assorted 40, 80 and 120 grit lets you grind welds, remove rust and paint, blend, deburr and finish steel, stainless and wood surfaces without swapping tools between operations
- SIZE AND PACKAGE - 22-DISC ASSORTED KIT: 4-1/2 x 7/8 inch (115 x 22 mm), assorted grit - 40 grit x10, 80 grit x10, 120 grit x2, 22 flap discs included, angle grinder sold separately
- SAFETY - PROTECT YOURSELF AND WORK SAFELY: wear eye, face and hand protection at all times, bring disc to full speed before contact, never exceed the 13,300 RPM rated max, retire disc once flaps wear down to the backing plate
- FEATURE - ZIRCONIA GRAIN GRINDS COOLER AND LASTS LONGER: overlapping abrasive-cloth flaps with zirconia alumina grain self-sharpen under pressure for fast stock removal with less heat and gouging, delivering grind and finish in one pass
- APPLICATION - FITS 4-1/2 INCH ANGLE GRINDERS: 7/8 inch (22 mm) arbor fits DeWalt, Makita, Bosch and Milwaukee angle grinders, Type 27 flat profile for surface work, rated 13,300 RPM max per industry standard EN 12413/ANSI B7.1
9.1Excellent
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- 05WA GRINDER
WA Grinder 25PACK - 4 1/2" x1/4" x7/8" Depressed Center Grinding Wheel for Angle Grinder Metalworking Grinding Disc 4 1/2 Inch Diameter, 1/4 Inch Thickness, 7/8 Inch Arbor (Red)
Main highlights- USE CASE - WELD DRESSING AND METALWORKING: removes heavy stock, grinds down welds, cleans up burrs and scale on steel, iron and mild alloys - ideal for fabricators, welders, maintenance crews and construction trades
- SIZE AND PACKAGE - 25 PACK: 4-1/2 x 1/4 x 7/8 inch (115 x 6 mm x 22 mm), Type 27 depressed centre grinding wheels, 25 discs per box, angle grinder discs only - arbor flanges and grinder sold separately
- SAFETY - GRINDING ONLY PROTECT YOURSELF: wear eye, face and hand protection, let the wheel reach full speed before contact, never use the edge for cutting, never exceed the rated 13,300 RPM max of the wheel or your tool
- FEATURE - TOUGH BONDED CONSTRUCTION: Type 27 depressed-centre wheel with aluminum oxide grain provides aggressive stock removal with controlled wear and chip-resistant edges for metalworking and weld dressing
- APPLICATION - FITS 4-1/2 INCH ANGLE GRINDERS: 7/8 inch (22 mm) arbor fits DeWalt, Makita, Bosch and Milwaukee grinders, Type 27 flat-face for surface work, rated 13,300 RPM max per industry standard EN 12413/ANSI B7.1
8.9Very Good
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- 06PRETEC
10 Pack Grinding Wheels 4-1/2 Inch for Angle Grinder, Metal Grinding Discs
Main highlights- 【Widely Used】The grinder wheel is designed for high-speed, aggressive material removal. Ideal for demanding tasks in metalworking, maintenance, repair, and construction, these grinding discs effectively work on steel, stainless steel, aluminum, copper, and various other metals.
- 【High-Quality&Great Performance】Achieve up to 40% faster performance with maximum speeds of 13,300 RPM and 80 M/S. These grinding wheels deliver high efficiency and precision, perfect for cleaning, rust removal, deburring, and polishing. Built with a 1/4" thick grinding discs for extra durability, they withstand heavy pressure and rigorous tasks.
- 【High-Grade Aluminum Oxide Material】 This is a pack of 10 pieces grinding wheels, crafted from industrial-grade aluminum oxide, and delivering a high material removal rate. These 4 1/2 grinding wheels offer outstanding performance in lifespan, speed, and precision, making them ideal for grinding both edges and surfaces on various materials. The grinding wheels 4 1/2 inch provide reliable and efficient operation for your projects.
- 【Extra Long Lifespan】These grinding wheels are engineered for extended service life. They feature excellent heat dissipation to minimize heat buildup, significantly cutting down on the time spent replacing grinding discs. A durable choice for demanding grinding wheels 4 1/2 inch applications. Always wear all necessary protective gear when operating these metal grinding discs.
- 【Durability and Safety】 Designed for safety and reliability, these grinding discs are reinforced with triple-layer fiberglass mesh for superior strength, stability, and resistance to breaking. The depressed center design allows access to hard-to-reach areas, making these grinding wheels versatile for surface, contour, edge, and radius grinding tasks. Ideal for 4.5 grinding wheel for metal applications.
8.7Very Good
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- 07SWIGRANCE
SWIGRANCE 2Pcs Diamond Concrete Grinding Cup Wheels 115mm 4-1/2" Set (Double Row + Turbo Row Segment), Fits 7/8" Arbor for Angle Grinder, Shaping Cleaning Concrete Masonry Marble Granite Brick
Main highlights- With Reducing Rings: 2Pcs steel rings (22mm to 16mm(5/8"), 22mm to 20mm), reducing the arbor diameter to achieve more compatibility with different angle grinders.
- Satisfaction Warranty: We promise you the quality of SWIGRANCE dimond grinding wheels and 24-hour quick reply. Contact SWIGRANCE for any issues with product quality and instructions, and we will help you until the problem is solved.
- Premium Diamond Material: Our diamond grinding cup wheels are made of heat-treated steel body and high concentration of diamond, which provide long durability and aggressive material removal performance. Fast grinding & polishing effect on masonry, stone, and concrete.
- Exhaust Hole Design: It features air holes designed to maintain and cool the cutting pattern, reducing wear and improving the work efficiency.
- Dry/Wet Grinding | Wide Application: The diamond grinder cup wheel allows quick and smooth material removal, ideal for grinding material like concrete, granite, stone, marble, tile, cement, masonry. Suitable for angle grinders to remove thinset and excess materials on the surface quickly.
- Double Row + Turbo Row: Our Concrete Diamond Grinding Cup Wheel set comes with 2Pcs 115mm (4-1/2 Inch) grinding wheels, with 22mm (7/8 Inch) arbor hole and 5mm diamond segment thickness, fit for 4-1/2" Angle Grinder. Package Included: 1 x turbo row segment diamond grinding wheel, 1 x double row segment diamond grinding wheel.
8.6Very Good
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- 08Zeumzwf
12 PCS Strip Discs 4" x 5/8" Stripping Wheel Suitable for Cleaning Angle Grinder to Remove Paint, Rust and Weld Oxidation(Blue&Purple)
Main highlights- 【Wide Range of Uses】 Our abrasive disc with high wear resistance can effectively remove rust, paint, welding lines, scale, oxidation and other surface pollutants on the surface.
- 【Value for Money】 Blue and purple webbing are improved webbing materials. Compared with black Paint Stripping Disc, the raw materials are harder, the service life is longer and the cutting speed is faster. Our Strip Discs has even friction and is not easy to deform, so that you can finish your work efficiently, and it has lower noise and less dust when using.
- 【Suitable for Angle Grinder】Our grinder paint disc is a 4 inch x 5/8 inch spindle cleaning and stripping disc, with a maximum rotation speed of 12500 (R.P.M). It is not suitable for Wagner paint machine or drilling machine. To ensure your shopping pleasure, please make sure that your grinder is compatible with the spindle size of our products before buying.
- 【Quality Assurance】The package includes 6x purple Paint Stripping Discand 6x blue Paint Stripping Disc. If you have any questions about this product, please feel free to contact us.
- 【Durable Materials】Our grinder paint disc is made of high-quality silicon carbide materials, durable synthetic fibers and resin elastomers. It is a very wear-resistant grinding wheel, and the surface of the object will not be damaged when used.
8.3Good
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- 09SALI
SALI 50 Pack Cut Off Wheel 4 1/2 Inch Cutting Wheels 4-1/2" x 3/64" x 7/8" for Metal & Stainless Steel, Angle Grinder Cutting Wheel,Cutting Discs with Aggressive Cutting
18% OffMain highlights- Size :4-1/2-inch x .047-inch x 7/8-inch
- Safety tips: please use all necessary protective gear when you use these cutting discs.if there is any problem with the product, please contact us to help you solve the after-sales problem
- Performance: this is for a pack of 50 pieces of our cutting wheels thin 0.045" Cutting wheel design for fast burr free cutting. Perfectly compatible with all 4-1/2 angle grinders with 7/8-inch arbor, operating up to 13,300 rpm and 80m/s
- Material: proprietary aluminum oxide grain for long life and fast cutting.double fiberglass mesh reinforced for further safety and durability
- Advantage: thin .045-inch wheel design for fast burr free cutting proprietary aluminum oxide grain combination for aggressive cutting action
8.1Good
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- 10linconson
LINCONSON 4.5” Grinding Wheel for Metal & Stainless Steel Used On Angle Grinder 4 1/2”x1/4”x7/8" Depressed Center (SG 4544DC) (10)
Main highlights- 【MATERIAL】Premium aluminum oxide wheel for heavy duty performance.Wheel suit any high demand tasks.No burr and no vibration fast grinding.
- 【HEAVY DUTY USE】Tough and reliable. Suited for tasks such as grinding all metals, including stainless steel and cast iron. Max RPM at 13,000.
- 【EXTREME PERFORMANCE SERIES】Metal Grinding Wheels for professional use on angle grinders, durable and long lasting.
- 【DIMENSIONS】 4 1/2” x 1/4” x 7/8” Arbor.
- 【COMPATIBILITY】Compatible with DEWALT, MAKITA, HILTI, MILWAUKEE and other 4 1/2" compatible grinders.
8.0Good
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