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Bosch GWS 12-125 Professional 240V 1200W 125mm Slide Switch Angle Grinder
Angle Grinders

Bosch GWS 12-125 Professional 240V 1200W 125mm Slide Switch Angle Grinder

2.2kg240V3 years (with registration)

Bosch Professional 240V 1200W corded 125mm angle grinder. 11000rpm, slide switch, restart protection. 2.2kg.

Adds it to My Tools, kept on this device
Lowest price we track
£107.95at Tooled Up · + £5.95 delivery
Compare retailersTotal with delivery
Tooled Up Lowest£107.95 + £5.95 delivery£113.90View ›
My Tool Shed£107.95 + £5.95 delivery£113.90View ›
Prices from UK retailer feeds, updated daily.We may earn a commission
125mm
Disc
11,000rpm
Max speed
2.2kg
Weight

Where it sits among 125mm angle grinders

Scaled against the 59 angle grinders with a 125mm disc we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Max speed11,000rpm
7,000rpm lowestDeWalt DCG412highest 12,000rpmDeWalt DWE4117
Weight2.2kg
1.57kg lightestEinhell TP-AG 18/125 F Li BLheaviest 2.9kgMakita GA5021C
Noise (LpA)94dB(A)
79dB(A) lowestMakita DGA513highest 95dB(A)Bosch GWS 14-125 S
Compare it with: + DeWalt DWE4117 + Makita GA5030R + Bosch Green PWS 18V-70 + Milwaukee M18 FSAGF125XPDB

Full specs

From Bosch's own documentation. Checked 26/09/2026. Report a spec error ›

Disc & Cutting

Disc diameter125 mm
Disc bore22.23 mm
Disc mount systemM14 (Standard)
Spindle threadM14
No-load speed11,000 rpm
Tool-free nutNo (standard nut + spanner)
Extractor auto-startYes, plugged into an auto-start extractor
Trade tierProfessional

Power & Motor

Voltage240V
Power input1,200 W

Handle & Control

Switch typeSlide
Side handle✓ Yes
Lock wrench✓ Yes

Physical & Build

Weight2.2 kg
Noise level94 dB(A) LpA / 102 dB(A) LwA
Vibration6.9 m/s²
The verdictOur take

The GWS 12-125 is a 125mm grinder with a tool-free guard and restart protection. Note the 110V version is rated lower (1,050W) than the 240V (1,200W).

Warranty · 3yr

Up to 3 years1 year as standard, 3 once you register it with Bosch
Register with Bosch ›
Register within 28 days of buying Own one? Add it to My Tools and we'll remind you before the 28 days run out

Register within 4 weeks. Batteries & chargers can also be extended (unlike DeWalt/Makita).

Warranty terms are set by the maker and can change. Always confirm current cover on their site before you buy.

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