Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
‹ Angle Grinders
18V Professional Bosch GWS 18V-11 Professional 125mm Slide Switch Angle Grinder (Body Only)
Angle Grinders · Bosch 18V Professional

Bosch GWS 18V-11 Professional 125mm Slide Switch Angle Grinder (Body Only)

Bosch Professional 18V 125mm angle grinder. 9000rpm, slide switch. 1.7kg bare. Body only.

Adds it to My Tools, kept on this device
Lowest price we track
£167.95at Tooled Up · + £5.95 delivery · Available to order
Compare retailersTotal with delivery
Tooled Up Lowest£167.95 + £5.95 delivery · Available to order£173.90View ›
My Tool Shed£167.95 + £5.95 delivery · Available to order£173.90View ›
Prices from UK retailer feeds, updated daily.We may earn a commission
125mm
Disc
9,000rpm
Max speed
1.7kg
Weight (bare)

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 speed9,000rpm
7,000rpm lowestDeWalt DCG412highest 12,000rpmDeWalt DWE4117
Weight (bare)1.7kg
1.57kg lightestEinhell TP-AG 18/125 F Li BLheaviest 2.9kgMakita GA5021C
Noise (LpA)85dB(A)
79dB(A) lowestMakita DGA513highest 95dB(A)Bosch GWS 14-125 S

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 speed9,000 rpm
Voltage18V
Extractor auto-startNo
Trade tierProfessional

Handle & Control

Switch typeSlide
Side handle✓ Yes

Safety

Electronic brake✓ Yes
Kickback technologyKickBack Control
Tool-free nutYes (quick-clamping nut)

Physical & Build

Weight (bare)1.7 kg
Weight (with battery)2.3 kg
Noise level85 dB(A) LpA / 93 dB(A) LwA
Vibration4.5 m/s²
The verdictOur take

The GWS 18V-11 is a lighter 125mm cordless grinder (1.7kg bare) at a fixed 9,000rpm.

Powered by Bosch 18V Professional · 13

All 13 batteries that fit this tool, smallest first. Kits and chargers ›

GBA18V-20 2.0Ah · 36Wh 0.35kg 2.05kg £56.99at Machine Mart + £4.99 delivery View at Machine Mart ›
GBA18V-30 3.0Ah 0.6kg 2.3kg No retailer price yet About this battery ›
PROCORE18V-40 4.0Ah · 72Wh 0.52kg 2.22kg from £54.99at Tooled Up + £6.95 delivery View at Tooled Up ›
GBA18V-40 4.0Ah · 72Wh 0.6kg 2.3kg from £73.99at Machine Mart + £4.99 delivery View at Machine Mart ›
EXBA18V-40 4.0Ah · 72Wh 0.61kg 2.31kg No retailer price yet About this battery ›
GBA18V-50 5.0Ah · 90Wh 0.62kg 2.32kg from £85.00at Machine Mart + £4.99 delivery View at Machine Mart ›
PROCORE18V-55 5.5Ah · 99Wh 0.96kg 2.66kg No retailer price yet About this battery ›
EXBA18V-55 5.5Ah · 99Wh 1.02kg 2.72kg from £157.95at Tooled Up + £6.95 delivery View at Tooled Up ›

Tool weight worked out by adding each pack's weight to the bare tool, using the makers' figures. The maker's own with-battery figure can differ slightly. We may earn a commission on retailer links.

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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