An angle grinder is one of the most useful tools in any workshop or van, and one of the most dangerous. Fit the right disc and it will cut steel, slice tile and paving, strip rust and paint, grind down welds and cut through a seized bolt in seconds. Treat it carelessly and it will remind you, fast, why it has the worst injury record of any common power tool. Buying the right grinder is partly about power and disc size and just as much about the safety features that keep you in one piece.
This guide covers the best angle grinders UK trade and serious DIY buyers are choosing in 2026, corded and cordless, from a handy 115mm first grinder to a 230mm heavy cutter. First, the two decisions that shape everything else: disc size and power source.
Before comparing models, settle two things. They matter more than the badge on the body.
Then the features that keep you safe and in control:
With those decided, here are our six picks for 2026.
The GWS 7-115 is our best value pick from a trusted brand because it does the essentials properly without a premium price. It is a compact 115mm corded grinder with a slim body that is easy to hold and control for cutting bar, grinding welds and general steel work, and the Bosch Professional blue range has a strong reputation for lasting in trade use. The motor has the guts for everyday cutting and grinding, the guard adjusts without tools, and spares and discs are available everywhere. The honest point to note is that at this price you get a dependable workhorse rather than the latest brake and anti kickback electronics, so treat the disc and the guard with the respect any grinder deserves. For a reliable first grinder that will not let you down, it is excellent value. Check the current price on Amazon.
Check price on AmazonIf you want the best all round corded grinder, the Makita GA4530R is the pick. It pairs a strong 720W motor with the safety features that matter: a slim grip that most hands find comfortable, a paddle style control on the R version and restart protection so it will not kick back into life after a stall or power cut. Makita build quality is proven in daily trade use, the guard adjusts without tools and the tool takes the full range of 115mm discs for cutting, grinding and finishing. The trade offs are minor: it is a 115mm so a 125mm gives slightly more cut depth, and it is corded, so you are tied to a socket. As a grinder you buy once and keep for years, it is hard to beat. Check the current price on Amazon.
Check price on AmazonWhen you want a little more capacity and a brake, the DeWalt DWE4235 is the choice. The 125mm disc gives a touch more depth of cut than a 115mm, which helps on thicker bar and deeper slots, and the headline feature is an electronic brake that stops the disc quickly after you release the switch, a genuine safety benefit on a tool that spins a sharp disc at high speed. DeWalt is a trusted trade brand, the motor is strong for the size and the tool is built to take knocks on site. Points to weigh: the brake and 125mm capability put it a step above the value grinders in price, and a bigger disc means a little more tool to control. For a trade grinder with modern safety and useful extra reach, it is a smart buy. Check the current price on Amazon.
Check price on AmazonFor freedom from the cable, the Makita DGA452 on the 18V LXT platform is the pick. A cordless grinder earns its place the first time you cut rebar up a ladder or grind in a spot with no socket, and this one delivers real 115mm performance from a battery, with the huge LXT range meaning the batteries also run your drill, driver and saw. It has restart protection and an electronic current limiter that cuts power if the disc jams, both important on a cordless grinder. The honest trade offs are runtime, so keep a spare battery charged, and cost if you are buying into the platform from scratch, though a bare tool is a cheap add if you already own LXT batteries. For site work and anywhere a lead is a nuisance, it is the sensible cordless choice. Check the current price on Amazon.
Check price on AmazonWhen you want cordless power that genuinely rivals a corded grinder, the Milwaukee M18 FUEL is the premium pick. Its brushless motor and RAPIDSTOP brake give it the kind of output and fast disc stopping that used to mean a cable, and the RedLink electronics protect the tool from overload and give useful runtime from the M18 battery platform. Milwaukee is a top trade brand, the build is rugged for daily commercial use, and if you already run M18 tools the batteries are shared. The clear consideration is price, as this is the most expensive option here and the M18 batteries are a premium platform, so it makes most sense for a trade buyer who wants one grinder to do everything without a lead. For corded level performance with cordless convenience, it leads. Check the current price on Amazon.
Check price on AmazonFor heavy cutting that a small grinder cannot touch, the Makita GA9020 230mm is the pick. A nine inch grinder is a different animal, a powerful corded tool for cutting thick steel, rebar, paving slabs and large masonry where a 115mm would struggle or take forever. The GA9020 has a strong 2200W motor, a large comfortable grip and the build to take sustained heavy work. It is important to be clear: a 230mm grinder is far more powerful and far more dangerous than a small one, the forces and kickback are serious, and it demands two firm hands, the guard in place, full face and body protection and real respect. It is a second grinder for specific heavy jobs, not a first buy. For thick steel and paving, nothing small will do the job as well. Check the current price on Amazon.
Check price on AmazonThey all spin a disc. The honest differences are disc size, corded or cordless, the safety features and the price.
| Grinder | Best for | Standout strength | Watch out for |
|---|---|---|---|
| Bosch Professional GWS 7-115 | Value first grinder | Trusted brand, keen price | Fewer safety electronics |
| Makita GA4530R | Best all round corded | Paddle switch, restart protection | Corded, 115mm disc |
| DeWalt DWE4235 | More capacity and a brake | 125mm disc, electronic brake | Costs more than value picks |
| Makita DGA452 18V | Cordless on site | No cable, shared LXT batteries | Runtime, battery cost |
| Milwaukee M18 FUEL | Premium cordless | Brushless power, fast brake | Highest price here |
| Makita GA9020 230mm | Heavy cutting | Big power for thick steel and paving | Powerful and dangerous, second grinder |
Work through this in order and the decision makes itself:
One last point. The grinder makes the cut, but the quote wins the job in the first place. If your quoting still happens on a pad in the van, see the metalwork machines that pay for themselves in our guide to the best welders in the UK, then let QuoteSmith turn your next job into a professional quote in minutes.
QuoteSmith helps UK tradespeople create detailed, professional quotes in minutes. Itemised breakdowns, terms and conditions, and your branding on every page. The customer sees a pro before you have even unloaded the van.
Try QuoteSmith NowFor most people a 115mm or 125mm grinder is the right first tool. They are light, easy to control one or two handed and take the most widely available discs for cutting, grinding and sanding steel, tile and masonry. The small difference is that 125mm takes a slightly larger disc for a little more depth of cut and is often paired with a more powerful motor. A 230mm, or nine inch, grinder is a specialist heavy cutting tool for thick steel, paving and large masonry, far more powerful and more dangerous, so it is a second grinder for specific jobs rather than a first buy.
Corded grinders give constant full power for as long as you need, cost less for the same output and never run flat, which makes them the sensible choice for workshop use and long sessions. Cordless grinders, especially modern brushless ones on 18V or larger platforms, are now genuinely powerful and far more convenient on site, up a ladder or anywhere a cable is a trip hazard or there is no socket. The trade off is runtime and the cost of batteries. If you already own batteries in a brand, a bare cordless grinder is an easy add, otherwise a corded grinder gives you more power for your money.
Angle grinders are among the most dangerous power tools, so safety features are not optional. Look for a paddle switch that stops the instant you let go rather than a lock on slide switch, restart protection so the tool does not spring back to life after a power cut or a stall, and a guard that adjusts without tools and stays put. A brake that stops the disc quickly is a real benefit. Beyond the tool, always use the guard, wear a face shield and not just glasses, use gloves and hearing protection, and fit the correct disc rated above the grinder speed.
With the right disc an angle grinder cuts and grinds steel, cuts tile, stone, paving and masonry, strips rust, paint and weld spatter, sharpens blades and cuts rebar and bolts. The disc you fit decides the job: thin metal cutting discs for steel and bar, diamond blades for tile, stone and concrete, grinding discs for weld clean up and shaping, and flap or wire discs for finishing and rust removal. Always match the disc type and size to the task and never fit a disc rated below the grinder maximum speed.
For a corded 115mm or 125mm grinder, a motor around 700W to 1000W handles general trade and DIY cutting and grinding comfortably, while heavier continuous work benefits from 1000W and up. For cordless, power is better judged by the platform and whether the motor is brushless, as a good 18V brushless grinder rivals a mid range corded tool. A 230mm grinder needs far more, typically 2000W and above, because it turns a much larger disc. More power helps on thick or hard material, but control, the guard and safety features matter just as much as the headline wattage.
More UK tool and trade buying guides from QuoteSmith.
From the same team
Running the site, not just quoting it? Site Manager AI writes RAMS, method statements, risk assessments and site diaries for UK site managers, in minutes.
See Site Manager AI