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Best 125mm angle grinder

Updated: October 2026

You want one name from this amazon.co.uk set, not another table of eleven tools. The best 125mm angle grinder in this comparison is the Bosch Professional GWS 7-125 if you can check the plug on arrival and you do not need a speed dial. Best value is the DEWINNER kit at £48.99 only if you will not fit the wood saw blade in the bag. Both picks are conditioned. The full ranking is the [125 mm angle grinder comparison](/hub/tools/angle-grinder-125mm). Figures are the captured amazon.co.uk prices and star lines. A purchase through our links may earn a commission at no extra cost to you. No lab test.

You want one name from this amazon.co.uk set, not another table of eleven tools.

Our top picks

Bosch Bosch GWS 7-125

Best overall

Bosch Bosch GWS 7-125
8.2/10about £71.98
DEWINNER DEWINNER 1,000 W

Best value

DEWINNER DEWINNER 1,000 W
7.0/10about £48.99
Bosch Bosch GWS 12-125

Alternative

Bosch Bosch GWS 12-125
5.2/10about £106.74
On this page

Top pick in this set

The top pick is the Bosch GWS 7-125, ASIN B018YPAKS4, model 0601388108. Bosch's own page states an M14 spindle, about 1.9 kg, and 6.5 m/s² for surface grinding with an uncertainty K of 1.5. The Amazon weight line says 2 kg. A disc is not in the box, and the tool arrives in a carton. Only four of the first 50 captured reviews are marked United Kingdom, and two of those four say a two-pin plug arrived. Restart protection does not help if you need an adaptor for a BS 1363 socket. Electrical Safety First treats a UK three-pin plug as the expectation. If a two-pin plug is in the box, return it. Screwfix's retailer table puts regular small-scale 125 mm work around 700–1,200 W, so 720 W is inside the band. It loses to a dial kit only when you already need variable speed. That order of decisions is on the 125 mm angle grinder buying guide.

Who should buy something else

Skip the GWS 7-125 on 110 V site power. Nothing in this set is a 110 V tool, and an adaptor does not make a 230 V Bosch into one. Skip it for polishing or flap discs well below 11,000 rpm. The listing does not claim a speed dial. Skip it if you will not look at the plug. Skip it if the only job is a thick patio slab. A smaller guard still wins for tight sheet metal on the 125 mm vs 115 mm page.
Bosch Bosch GWS 7-125

Testsieger

Bosch Bosch GWS 7-125
8.2/10about £71.98

Best value, with the condition

If £72 is more than the job, the best-value case is the DEWINNER DE-8108-DPJ-uk, ASIN B0FQP6LNQ4. UK reviewers talk about cutting cement, slabs and metal, and about leaving a second grinder set up for cutting. The bullets list a wood saw blade among roughly 20 accessories. OPSS PSA5 says not to fit a toothed blade on an angle grinder. The bag is value for the metal, diamond and flap discs if those match the work. Stuck-blade and vibration comments are in the same reviews, and the weight lines disagree: 3.11 kg and 1.9 kg. Voltage is not printed. Leave the wood blade out, and treat the dial as help for flap work rather than permission to twist a cutting disc.

Dearer is not automatically better

The Bosch GWS 12-125, ASIN B0D2RXDDWH, adds a keyless guard and a clip-on cutting guard. All eight captured reviews are marked United Kingdom, and one says the tool failed after about 20 minutes. No rpm is printed, and the listing does not claim variable speed. That short sample does not overturn the GWS 7-125. The Makita XAG25Z at £124.27 is 4.5 from 395, and every review in the first 50 is marked United States. The voltage line says 120. It is an X-LOCK bare tool: battery and charger are not included, and ordinary M14 discs do not fit. If you already own US-market LXT packs and X-LOCK wheels, that is a different conversation. It is not a UK cordless 125 mm. We did not test these grinders. The recommendation is the listing evidence.

Common questions

Which 125 mm grinder in this comparison is the top pick?
The Bosch Professional GWS 7-125 at £71.98, 720 W, 11,000 rpm, 4.7 from 22,017 amazon.co.uk ratings. The listing claims restart protection. You should still check for a UK three-pin plug, because two of the four United Kingdom reviews in the first 50 mention a two-pin plug. It is the top pick inside this set, not a claim about every grinder on sale in Britain.
Who should not buy the GWS 7-125?
Skip it if you need 110 V site power, a speed dial for polishing, or a tool you will not inspect for the plug. Also skip it if the job is a slab thicker than a 125 mm disc can cut in a controlled pass. In that case a 230 mm hire is the honest next step, not a dearer 125 mm body.
What is the best-value option if £72 is too much?
The DEWINNER kit at £48.99, 4.2 from 37 reviews, if you leave the included wood saw blade unused. It has a speed dial and discs for metal and masonry in the bullets. It is not best value if you wanted that wood blade, and it is not the cheapest tool in the table.
Is the 1,250 W Bosch better because it costs more?
Not on this evidence. The GWS 12-125 is £106.74 with 3.4 from eight UK reviews, including a failure after about 20 minutes. More watts and a keyless guard do not replace a large rating count. Read those eight reviews if the guard is the feature you came for.
Is the Makita the premium pick?
Not for a UK mains buyer. The XAG25Z is £124.27, X-LOCK, bare, with a voltage line of 120 and United States review text in the capture. Ordinary 125 mm discs with an M14 nut do not fit. A high price and 4.5 stars do not make it the premium British choice in this set.
Can I trust 22,017 reviews if most of the visible text is not from the UK?
Trust the star line as amazon.co.uk's count for that ASIN. Do not treat the written sample as 22,017 British workshops. In the first 50 captured reviews, four are marked United Kingdom. Use the manufacturer specification for watts, speed and vibration, and use the UK comments for the plug check.

Related pages

Sources

Public UK sources from the research digest, used for this page in October 2026. Prices, stars and review counts are the amazon.co.uk figures stored for these eleven listings. HSE duties and PUWER apply at work. They are not a certificate for a domestic grinder. A shared review block is one sample. US review text is not UK opinion.

  1. HSE, PUWER FAQ (retrieved October 2026)
  2. HSE, HSG17 (retrieved October 2026)
  3. OPSS, PSA5 toothed saw blades (retrieved October 2026)
  4. FEPA, EN 12413 safety leaflet (retrieved October 2026)
  5. BSI, BS EN IEC 62841-2-3 (retrieved October 2026)
  6. Bosch Professional, GWS 7-125 (retrieved October 2026)
  7. Electrical Safety First, angle grinders (retrieved October 2026)
  8. Screwfix, angle grinder buying guide (retrieved October 2026)
  9. Top 7 Tools, disc size and depth (retrieved October 2026)