category: Cordless Angle Grinders

Summary Milwaukee’s M18 FUEL 115mm Angle Grinder is a robust cordless option with strong build quality and a reliable brake, but it comes at a premium price. Findings In use, the tool feels built for the long haul. The cast aluminium gear case and rubber over-mould provide a solid, confident grip and peace of mind when grinding in tight spaces or overhead. The balance is noticeably good for a cordless 115mm grinder, helping control during prolonged sessions. The fast brake is a standout feature, stopping the disc quickly after release to reduce downtime and kickback risk on site. Disc changes are straightforward thanks to the spindle lock and tool-free guard adjustment, which makes swapping wheels with gloves on a breeze in a busy workshop or on a windy build site. The POWERSTATE brushless motor delivers consistent torque and maintains speed under load, giving predictable material removal without aggressive rpm fluctuations. Electronic safety features, including clutch and brake, contribute to operator comfort and disc protection during tough jobs. Run time from the M18 battery platform is reliable enough for a solid day’s work, and the ecosystem compatibility means you can share batteries across tools on site. On the downside, the upfront cost sits at the premium end, and the total package—with battery and charger if required—adds up. The unit is noticeably heavier with a full-size battery compared with some corded 115mm grinders, which can affect use when working overhead or in confined spaces. Battery performance can dip in very cold conditions or under sustained heavy use, and accessory costs within the Milwaukee ecosystem are higher than generic equivalents. Overall, for tradespeople invested in the M18 system, it offers strong value through durability and on-site productivity; for those weighing budget against cordless convenience, the premium price is the main consideration. ...

Summary Reliable, robust 18V brushless 125mm angle grinder that delivers steady performance, good ergonomics, and solid value for money. Findings In daily trade use, the Makita DGA504Z feels like a tool you can rely on. The build quality is solid, with a rigid feel in the hand and positive, well-balanced balance with the battery fitted. The brushless motor delivers smooth throttle response, maintaining a steady speed under typical load, which helps keep discs cutting consistently and reduces glazing on a range of materials. The overall ergonomics are well thought out: a slim, comfortable grip shape, a balanced weight distribution, and a responsive trigger switch with a practical lock-on option for longer fixtures. Soft start helps ease into cuts and reduces kick when starting, while the available speed control allows you to tailor the rpm to the task and disc type. ...

Summary A compact, well-built cordless 18V 125mm grinder that offers practical on-site performance with solid build quality and good balance. Findings From the workshop perspective, the WX803-9 feels purpose-built for daily trades work. Build quality is robust for a cordless grinder, with a solid feel in the hand and a sturdy guard that adjusts easily. The tool sits nicely in the palm, and the slim, rubberised grip aids control during grinding and cutting tasks. Disc changes are straightforward thanks to a simple spindle lock and tool-free guard adjustment, saving time on busy days. On battery power, performance is steady for light to medium tasks: quick cuts through metal sections, weld removal, and surface grinding are predictable, though heavy, continuous cutting is noticeably less punchy than a corded model, which is to be expected for 18V. The balance minimizes fatigue over longer sessions, and vibration is acceptable for this class of tool. Guard visibility is decent, helping accuracy, and the Worx PowerShare ecosystem makes sense if you already own Worx tools, delivering real value through battery sharing. Overall durability feels sufficient for normal on-site use when treated with sensible care, and the price-point is competitive for tradespeople who can leverage existing batteries. ...

Summary Robust cordless 125mm grinder with Bosch build quality, delivering solid performance and site-ready convenience, albeit at a premium price. Findings On site, the Bosch 18V-75 125mm cordless grinder feels like a tool you can rely on. The build quality is evident, with a sturdy housing and a well-fitting guard that feels durable under vibration. It sits nicely in the hand and is balanced enough to use for extended periods without fatiguing the wrist. Disc changes are straightforward thanks to a spindle lock and the guard is easily adjusted without tools, which speeds up setup between tasks. Performance remains steady when cutting or grinding with the right discs; the motor maintains speed under typical loads and the battery provides predictable run-time for standard metalwork and masonry tasks. The tool handles bevels and straight cuts with good accuracy when paired with quality discs, and the grip remains secure even with sweaty hands or dust in the environment. Dust generation is noticeable, so I’d pair it with effective local extraction to keep the motor and bearings clear. The Bosch 18V platform offers convenient battery interchangeability across the range, which helps when you’re juggling multiple cordless tools on site. Overall, it provides reliable, durable performance with straightforward operation, making it a sensible choice for professionals who prioritise cordless freedom without sacrificing reliability. ...

Summary A compact, brushless 20V cordless 4½in angle grinder delivering solid on-site performance with quick-guard adjustment and a robust DeWalt build. Findings From the first on-site use, the balance and low fatigue design impressed, with the brushless motor delivering steady torque to 125mm discs for metalworking tasks. The tool feels responsive and maintains control under load, making light grinding, cutting, and finishing manageable without a mains supply. The tool-free guard adjustment and easy orientation change enable rapid setup for different jobs, while the spindle lock makes disc changes quick and safe. Being cordless removes trip hazards from cables and is particularly handy in tight spaces or overhead work, though you’ll want a capable 20V XR battery for a full day’s work to keep performance consistent. Build quality feels solid: a robust metal gearbox housing and rugged plastics stand up to daily trade use, and the grip remains comfortable and secure during extended sessions. As a bare tool, it’s essential to factor in the battery and charger separately, which adds to the initial outlay. Overall, the tool offers dependable speed stability, durability, and convenient cordless operation that suits professional on-site needs. ...