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If you've ever held an angle grinder or bench grinder and felt like the tool wasn't living up to its potential, the missing piece is often the accessories. Think of accessories as the wardrobe for your tools — the same grinder can look and perform like a pro when fitted with the right discs, wheels, and pads. In the UK market you'll find everything from cutting discs that slice through mild steel to diamond blades that carve tiles like butter, and choosing well makes projects faster, cleaner, and safer.
Choosing the correct accessory is like picking the right tire for a race car: the wrong one will slow you down or, worse, cause an accident. Accessories determine cut quality, material removal rate, heat buildup, and overall control. A flap disc gives a smooth finish on sheet metal, while a grinding wheel removes stock quickly on rusted bolts. The right gear saves time, reduces waste, and protects your investment in tools and materials.
Cutting discs are the go-to for slicing through metal, rebar, and sometimes masonry. They’re thin and spin fast to make clean cuts in a hurry. For everyday DIY or trade jobs, choose a disc matched to your grinder’s RPM and the thickness of the material — think of cutting discs as the scalpel of the grinder world. On larger jobs you’ll use wider, tougher discs; for detail work you’ll use narrower ones that fit into tight spaces.
Grinding wheels are thicker and built to remove material quickly. They’re ideal for shaping metal, removing welds, or smoothing rusted surfaces. A bench grinder fitted with a medium-grit wheel can reshape a chisel or sharpen a blade, while an angle grinder removes large amounts of metal before a finer disc finishes the job. Remember that grinding wheels are more aggressive and generate heat, so control and cooling matter.
Flap discs combine sanding and grinding for a one-pass finish. Layers of abrasive flaps overlap to create a smoother surface than a grinding wheel but more aggressive than sanding alone. They’re perfect for blending weld seams, deburring edges, and prepping metal for paint. Think of flap discs as a 2-in-1 solution that reduces disc swaps and speeds up jobs.
Diamond blades are the specialist that eats tile, stone, and masonry for breakfast. Coated with industrial diamonds, these blades provide clean cuts with minimal chipping, making them a favourite for tilers and landscapers. If you’re cutting into brick, slate, or porcelain, a diamond blade will outperform general-purpose discs every time. Be sure your grinder can handle the blade diameter and that you manage dust when cutting indoors.
Wire brushes are essential for removing rust, paint, and scale before finishing. They come in wheel or cup shapes and use either twisted or crimped wire. A twisted wire wheel is aggressive and suited to heavy rust, while crimped wire is gentler for delicate surfaces. Use them to prep metal before painting or to expose clean metal for welding.
Backing pads allow you to attach hook-and-loop sanding discs or polishing pads to your grinder. They turn your grinder into a powerful sander or polisher, ideal for smoothing timber or buffing metal. Backing pads are sized by disc diameter — pick the right one so the pad supports the disc fully and prevents wobble while spinning at high speed.
When you need a mirror finish on stainless steel, chrome, or painted surfaces, polishing bonnets and discs are the finishing touch. These softer accessories use compounds and felt or cloth to bring out shine without scratching. They’re best used at lower speeds and with steady, even pressure to avoid heat marks.
Small parts like locking nuts, collets, and flanges are the unsung heroes of grinder work. Lose one on-site and your productivity stalls. Keep a kit of spare nuts, wrenches, and collets matched to your grinder’s arbor size so you can swap accessories quickly and safely. A tight nut and correct collet also reduce vibration and extend accessory life.
Screwfix is a go-to for tradespeople and DIYers, offering a broad range of discs, flap wheels, diamond blades, and accessories. Their online listings make it easy to compare brands and see customer reviews. Screwfix often stocks both budget-friendly options and professional grades from brands like Makita and Bosch, so you can tailor purchases to project needs and budget.
Toolstation is known for convenience and a solid selection of accessories at competitive prices. You’ll find angle grinder discs, wire wheels, and polishing sets suitable for home projects and trade use. Their stores are spread across the UK, but the real advantage is the price parity between online and in-store shopping, letting you grab replacements quickly between jobs.
B&Q is ideal for weekend warriors who want home improvement supplies under one roof. Their range includes general-purpose cutting discs, flap discs, and diamond blades suited for tiling and landscaping. B&Q often bundles accessories into kits for beginners, which is helpful if you’re learning how to match discs to tasks without buying a single-use specialist item.
Wickes focuses on building and trade supplies and stocks a useful range of grinder accessories, especially those aimed at construction and tiling. If you’re working on renovation projects, Wickes’ selection of diamond blades and masonry discs makes it easy to equip your grinder for tile cutting and brickwork.
Machine Mart caters to the serious hobbyist and professional, with an emphasis on durable, industrial-grade items. Their catalog includes heavy-duty grinding wheels and specialist accessories that handle prolonged use. For workshops that demand longevity and consistent performance, Machine Mart is worth checking out.
RS Components stocks a broad range of technical and specialist accessories, including precision grinding wheels and high-specification discs for automotive and engineering work. If your projects require specific grit ratings, hardness classes, or exacting tolerances, RS Components often carries niche products that big-box retailers don’t.
Amazon UK provides unparalleled variety and fast delivery, with everything from cheap disposables to premium branded accessories. Customer reviews help identify good value options, but be cautious about low-cost discs that may lack safety certifications. Amazon is great for browsing variety and reading user feedback, especially if you need a rare size quickly.
Homebase offers a useful selection of general-purpose discs and polishing accessories aimed at DIYers. If you’re sprucing up timber or handling occasional metalwork, Homebase stocks sensible, affordable options that pair well with domestic projects. Their combo packs can save you money when you need several accessory types in one purchase.
Start by identifying the material and finish you need. Are you cutting mild steel, shaping hardened alloy, or polishing chrome? Next, match the accessory’s RPM rating to your grinder: if a disc’s max speed is lower than your grinder’s spin, stop. Consider disc thickness and grit — thinner for clean cuts, thicker for heavy stock removal. Also decide whether a multi-purpose accessory or a specialist blade is more cost-effective for your workflow.
Always check arbor size, disc diameter, and the accessory’s maximum RPM. These three specs must match your grinder to avoid wobble or catastrophic failure. Look for safety certifications like EN or equivalent markings, and favour reputable brands if you’re doing structural or high-risk cutting. A bargain that fails halfway through a job can cost far more in time and replacement material than a slightly pricier, certified disc.
Grinders are powerful and unforgiving — respect them. Wear eye protection, gloves, ear protection, and a dust mask when cutting masonry. Ensure the guard is fitted and directed away from your body, and always let accessories reach full speed before contacting the workpiece. Never use a disc that’s cracked or stored improperly; impact or age can make them brittle and dangerous.
Mount accessories on a clean, undamaged flange and tighten the locknut securely but without overtightening. Spin the accessory by hand before power-up to ensure it’s not rubbing on the guard. Use two hands and steady pressure rather than forcing the disc; let the accessory do the work. If you smell burning or notice excessive vibration, stop and inspect — those are early warnings of a problem.
Store discs flat in a dry place to prevent warping and protect them from knocks. Keep wire wheels covered to avoid bent wires and label spare parts so you don’t mix incompatible sizes. Clean backing pads and remove resin buildup on sanding discs to maintain grip. Regular inspection is cheap insurance: a quick look before each job can prevent a dangerous failure mid-cut.
For occasional DIY, general-purpose discs and economy flap wheels often suffice. But when you’re working daily or on high-value materials, professional-grade accessories repay their cost with longevity, consistent performance, and safety certifications. Consider life-cycle cost: a premium flap disc may last many times longer than a cheap one, reducing downtime and replacement frequency.
Use comparison sites and customer reviews to spot the best value and to check for recent user experiences with specific accessories. Reviews can reveal if a diamond blade chips quickly on certain tile types or if a flap disc loses grit after minimal use. Combine reviews with spec sheets and store guarantees to make a confident purchase.
Used abrasive discs and spent wheels should be disposed of responsibly. Many local recycling centres accept metal cores and separate disposal for abrasive material, so check local guidelines. Choose longer-lasting accessories when possible to reduce waste, and consider refurbishing backing pads or storing and reusing polishing buffs where safe and appropriate.
A typical metal restoration workflow might start with a grinding wheel for rust removal, switch to a flap disc for blending, and finish with a polishing bonnet for shine. Think in stages and equip yourself with a small kit that covers coarse removal, medium blending, and fine finishing. This approach minimizes disc changes and helps you move through projects like a pro.
Conclusion: Choosing the right grinder accessories can transform your toolbox and your results. From quick cuts with cutting discs to precise tile work with diamond blades, the UK market offers options for every budget and skill level. Shop smart, prioritise safety, and match accessories to both your grinder and your task — the right choice saves time, improves quality, and keeps you working longer.
| Grinder Accessories | Price | |
|---|---|---|
| Bosch Grinding Wheel Inox Island 115 Mm - 2608600539 | kr. 22,- |
