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Makita GA5100 240V 850W 125mm Slide Switch Angle Grinder
Angle Grinders

Makita GA5100 240V 850W 125mm Slide Switch Angle Grinder

2.2kg240V3 years (with registration)

Makita 240V 850W corded 125mm angle grinder. 2800–11000rpm, slide switch, soft start. 2.2kg without cable.

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£99.95at Tooled Up · + £5.95 delivery
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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.

Cut depth33mm
20mm lowestMakita GA5040Chighest 35mmMakita GA5030R
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)88dB(A)
79dB(A) lowestMakita DGA513highest 95dB(A)Bosch GWS 14-125 S
Compare it with: + DeWalt DWE4117 + Bosch GWS 14-125 S + Milwaukee M18 FHSAG125XPDB2 + Bosch Green UniversalGrind 18V-75

Full specs

From Makita'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
Max cut depth33
No-load speed2800–11000 rpm
Extractor auto-startYes, plugged into an auto-start extractor

Power & Motor

Voltage240V
Power input850 W

Safety

Soft start✓ Yes
Tool-free nutNo (standard nut + spanner)

Handle & Control

Switch typeSlide
Side handle✓ Yes
Lock wrench✓ Yes

Physical & Build

Weight2.2 kg
Noise level88 dB(A) LpA / 96 dB(A) LwA
Vibration7.8 m/s²
The verdictOur take

The GA5100 is a 850W corded 125mm grinder from Makita with variable speed. Sold in 110V and 240V versions.

Warranty · 3yr

Up to 3 years1 year as standard, 3 once you register it with Makita
Register with Makita ›
Register within 30 days of buying Own one? Add it to My Tools and we'll remind you before the 30 days run out

Register within 30 days. Batteries/chargers excluded (Li-ion batteries 2yr standard from Apr 2025).

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

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