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GEX 125-1 AE 240V random orbital sander No product photo yet
Random Orbital Sanders

Bosch GEX 125-1 AE Professional 240V 125mm Random Orbital Sander

1.3kg240V3 years (with registration)

Bosch GEX 125-1 AE: random orbital sander, 125mm pad, 2.5mm orbit, 15,000–24,000 orbits/min, 250W, 1.3kg.

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125mm
Pad size
2.5mm
Orbit
1.3kg
Weight
5m/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.

Orbit2.5mm
2mm lowestFestool ETSC 125highest 5mmMirka DEROS II 550
Weight1.3kg
0.9kg lightestFestool ETSC 125heaviest 1.9kgBosch Green PEX 400 AE
Vibration5.0m/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: + Festool ETS 125 REQ + Bosch Green PEX 300 AE + HiKOKI SV13YA + Einhell TE-RS 40 E

Full specs

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

Pad & Sanding

MotionRandom orbit
Pad size125 mm
Orbit2.5 mm
Abrasive fixingHook and loop

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 input250 W

Physical & Build

Weight1.3 kg
Case typeCarry case
Case modelCarrying case
Case included✓ Yes
Noise level81 dB(A) LpA / 89 dB(A) LwA
Vibration (sanding)5 m/s²

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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