How To Use A Grinding Disc
15/04/2026
If you’re incorporating metal or rough materials into your renovation project, you will want the right grinding disc to complete the job. Turning your tiles into a flawless, usable surface. But to achieve these results, you first need to understand what a grinding disc is used for, how to use a grinding disc, and why you need them.
What is a Grinding Disc?
A grinding disc, also known as a grinding wheel or tile cutting disc, is a circular piece of material that fits onto an angle grinder. They are designed with an abrasive-grit surface to deliver different finishes, such as sanding, buffing, or polishing. The edge of a grinding disc also varies from continuous and tapered to bevelled and convex, with each type best suited to cutting through particular materials.
How Does a Grinding Disc Work?
A grinding disc works by attaching to an angle grinder. It is then spun at a high speed, anything from 8,000 to 13,000 RPM. As the disc spins and contacts the surface material, the abrasive particles on the disc create friction that cuts through the material or removes excess material by buffing and polishing.
Do You Need A Grinding Disc?
If you’re working with metal, dense tiles, or rough materials, tile-cutting discs make your life much easier. A grinding disc is designed to be used for:
Removing excess material or adhesive
Prepare surfaces for use
Shape edges and corners
Smooth rough areas
Weld seams for a seamless transition
Their robust structure enables them to operate at high speeds and withstand extreme pressure, making them reliable tools for any tiling job.
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How To Use A Grinding Disc
Once you understand what type of grinding disc you need – for cutting, shaping, or smoothing- you can purchase the right one from Pro Tiler Tools. You can also pick up your protective PPE, including safety goggles, which should always be worn when operating a grinding disc and angle grinder.
Step One: Attach your chosen grinding disc to your angle grinder
Step Two: Press the angle grinder down, apply adequate pressure so the disc has full contact with the surface
Step Three: Slowly and evenly move the angle grinder over the area you’re working on to achieve the desired effect.
When To Change Your Grinding Disc
The abrasive particles on your grinding disc will naturally wear down with use. How effective your grinding discs are will depend on the sharpness of these particles. So, if they’re worn and blunt, switch the disc to a new one.
What Are The Different Types Of Grinding Discs?
Grinding discs come in a range of thicknesses and diameters, including 3mm, 10mm, and 100mm. This means you can pair the right grinding disc to the material you’re working with and the finish you’re looking for.
PREMTOOL Diamond Grinding Discs
To aid your tiling installation and deliver a professional finish, PREMTOOL has designed a range of grinding discs and polishing kits. Whether you’re cutting, grinding, sanding, or edging, they deliver a smooth, precise finish on porcelain, ceramic, and stone tiles.
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FROM £38.39 INC VAT
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Grinding Discs/Wheels
These are your classic grinding discs designed to cut through or ‘grind’ through tiles for a clean, precise cut. They tend to have a ribbed edge, helping them cut through tough materials at rapid speeds.
Popular Brands: Raimondi Diamond Grinding Disc, Proxxon Corundum Grinding Disc, and Marcrist Cutting & Grinding Blade
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£16.20 INC VAT
FROM £80.39 INC VAT
FROM £77.40 INC VAT
Cutting Grinding Discs
As its name suggests, these discs excel at cutting through a range of materials. They typically have a thin profile and tapered edge, which makes them ideal for precision cutting through a range of materials.
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£6.60 INC VAT
FROM £47.99 INC VAT
Multi-Wheel Grinding Discs
An all-in-one grinding disc. A multi-wheel disc is designed for several finishes such as bevelling, small cuts, grinding, rounding, and shaping tiles.
Popular choices: Bihui Brazed Diamond Multi-Wheel and Genesis Revolution Multi-Wheel.
Flap Grinding Discs
Flap discs are designed with multiple abrasive flaps overlapping one another. At high speed, these act like sandpaper, smoothing rough edges, corners and contours. They’re also great for removing metal burrs or buffing out scratches.
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FROM £32.39 INC VAT
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Diamond Grinding Discs
These are predominantly used for cutting tile materials. Available in a range of grit densities, they’re excellent for cutting thick, dense materials such as porcelain. They’re also extremely durable, making them useful for high-use and continuous cutting needs.
Popular Brands: Bihui Paint & Epoxy Diamond Grinding Wheel, Montolit Diamond Cup Wheel, Rubi Vacuum Brazed Diamond Grinding Blade, and Sigma Long Life Diamond Grinding Wheel
Porcelain Grinding Discs
These cutting and grinding discs are designed specifically for porcelain tiles and products. With a dual cutting edge and grinding face, it can cut, grind, smooth, and shape porcelain tiles for your bathroom, kitchen, or home décor.
Popular Brands: Abracs Tile & Porcelain Cut Grind Blade
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Cup Wheel Grinding Discs
Cup wheel discs tend to have a wider grinding surface, resulting in a more consistent covering. They include different grit densities for various finishes, including cleaning, sanding, and polishing. Ultimately, they create a workable surface and smooth edges on porcelain, stoneware, or ceramic tiles.
Popular Brands: Montolit Diamond Grinding Cup Wheel, Sigma Diamond Grinding Cup Wheel
Choosing A Grinding Disc
Need help choosing the best grinding disc for your next project? Browse our full collection of diamond tools. From our top-quality floor grinders and flooring tools to grouting tools, kneeling pads and tool boxes and bags, we offer a comprehensive selection of high-quality tiling tools.
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If you have any queries about grinding disc options, please don't hesitate to contact our expert team at 01604 859800.