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Bosch GEX 125 Professional 240V 125mm Random Orbital Sander
Random Orbital Sanders

Bosch GEX 125 Professional 240V 125mm Random Orbital Sander

1.4kg240V3 years (with registration)

Bosch GEX 125: random orbital sander, 125mm pad, 2.6mm orbit, 15,000–24,000 orbits/min, 290W, 1.4kg.

Adds it to My Tools, kept on this device
Lowest price we track
£94.95at Tooled Up · + £5.95 delivery · Available to order
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Tooled Up Lowest£94.95 + £5.95 delivery · Available to order£100.90View ›
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Prices from UK retailer feeds, updated daily.We may earn a commission
125mm
Pad size
2.6mm
Orbit
1.4kg
Weight
3.1m/s²
Vibration

Where it sits among 125mm random orbital sanders

Scaled against the 38 random orbital sanders with a 125mm pad we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Orbit2.6mm
2mm lowestFestool ETSC 125highest 5mmMirka DEROS II 550
Weight1.4kg
0.9kg lightestFestool ETSC 125heaviest 1.9kgBosch Green PEX 400 AE
Vibration3.1m/s²
1.5m/s² lowestBosch GEX 18V-125highest 9.0m/s²Bosch Green PEX 300 AE
Noise (LpA)81dB(A)
71dB(A) lowestMirka DEROS II 550highest 88dB(A)Bosch Green PEX 300 AE
Compare it with: + Mirka DEROS II 550 + Einhell TC-RS 425 E + Bosch Green PEX 400 AE + DeWalt DWE6423

Full specs

From Bosch's own documentation. Checked 10/10/2026. Report a spec error ›

Pad & Sanding

MotionRandom orbit
Pad size125 mm
Orbit2.6 mm
Abrasive fixingHook and loop

Physical & Build

Weight1.4 kg
Noise level81 dB(A) LpA / 89 dB(A) LwA
Vibration (sanding)3.1 m/s²

Speed & Control

Top speed (orbits)24,000 opm
Lowest speed (orbits)15,000 opm
Top speed (rpm)12,000 rpm
Lowest speed (rpm)7,500 rpm
Variable speed✓ Yes
Pad brake✓ Yes

Power & Motor

Voltage240V
Power input290 W

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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