Best Angle Grinder UK 2026: Cordless and Corded Picks
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The most-used and most-misused trade tool
Angle grinders cut steel, slice paving slabs, grind welds flush, and clean up rebar — few site tools earn their keep faster. They are also responsible for more A&E visits than any other power tool. The right grinder, with the right disc, used at the right angle, transforms a job. The wrong combination kicks back, snaps the disc, and embeds shrapnel in the user's face.
This guide covers the best angle grinders for UK trade use in 2026, focused on 115 mm and 125 mm cordless and corded models.
What to look for
- Disc size: 115 mm (4.5") is the standard for cordless trade work — light, controllable, fits most disc types. 125 mm (5") cuts deeper but adds weight. 230 mm is for floor cutting and large concrete work only.
- Brushless motor: On cordless grinders, brushless gives 30–50% more cuts per charge and lasts 2–3× longer than brushed.
- Kickback brake / electronic clutch: Modern grinders detect blade jams and stop the motor in milliseconds. This is the single most important safety feature on any grinder — never buy a new grinder without it.
- Paddle vs slider switch: Paddle switches (you have to actively hold them on) are safer because the grinder stops the moment you let go. Slider switches stay on if dropped — a serious hazard.
- Disc compatibility: Cutting discs (1 mm to 3 mm thick), grinding discs (6 mm flap, 6 mm depressed-centre), diamond blades, wire brushes, sanding flap discs — check the maximum disc thickness and RPM rating on the grinder match the discs you intend to use.
Top picks: best angle grinders UK 2026
DeWalt DCG405N 18V XR Brushless 125mm Angle Grinder
~£125 (bare) / £240 (kit)Best for: Cordless grinder on DeWalt XR
DeWalt's 125 mm 18V XR brushless grinder is the workhorse for most UK trades on the XR platform. Kickback brake, electric brake (stops the disc in 2 seconds when released), tool-free disc guard. Paddle switch for safety. About 80–120 metal cuts per 5Ah charge.
View on Amazon →Makita DGA467Z 18V LXT Brushless 115mm Angle Grinder
~£130 (bare) / £250 (kit)Best for: LXT users / lightweight cordless
Makita's 115 mm 18V LXT brushless grinder is lighter than the DeWalt at 2.0 kg and runs longer per charge. AFT (Automatic Force Tool) detects sudden load changes and shuts off in milliseconds. Paddle switch standard. The right pick if you are on Makita's LXT platform.
View on Amazon →Bosch GWS 22-230 JH Professional 230mm Corded Grinder
~£160–£200Best for: Floor cutting and heavy concrete
For floor cutting, heavy paving and large concrete work, the 230 mm corded Bosch GWS 22-230 is the standard. 2200 W motor, 70 mm cutting depth, soft-start, kickback brake. Heavy at 5.7 kg — designed to be used two-handed with a side handle. Not for delicate work.
View on Amazon →DeWalt DWE4257 125mm Corded Brushless Grinder
~£165–£195Best for: Workshop corded grinding all day
For workshop and sustained corded use, DeWalt's brushless DWE4257 delivers full power without battery swaps. 1700 W, slim body for tight access, kickback brake, no-volt release. Brushless motor lasts 2× longer than brushed corded equivalents. The right pick if you cut steel all day in a fabrication shop.
View on Amazon →Safety and buying advice
Always wear safety glasses (rated to EN 166 grade B impact) and a face shield when cutting metal. Cut-resistant gloves do not protect against angle grinder blades. The disc spins at ~10,000 RPM and will travel through skin, bone and muscle in milliseconds if it slips.
Never remove the disc guard. Never use a damaged disc — check for cracks before fitting and ring-test ceramic discs by tapping them lightly. Always cut on the underside of the disc (12 o'clock position), never the top, where kickback throws the tool back at you.
For finding a builder or roofer who handles cutting work in Kent, see our builder and roofer guides.
Frequently asked questions
What size angle grinder should I buy?
115 mm (4.5 inch) is the most common trade size — light, controllable, fits most disc types. Choose 125 mm (5 inch) if you need a slightly deeper cut. 230 mm is for floor cutting and large concrete only and is much harder to control.
Are paddle switches really safer?
Yes — paddle switches require active grip to stay on, so the grinder stops the instant you let go or drop it. Slider switches latch on, which means a dropped grinder keeps spinning — a serious injury risk. Avoid slider-only models for new purchases.
How important is a kickback brake?
Critical. A kickback brake detects sudden disc jams (the most common cause of grinder injuries) and shuts the motor off in milliseconds. Modern brushless trade grinders all include this — it is not worth saving money on a model without it.