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GEX 34-150 240V random orbital sander No product photo yet
Random Orbital Sanders

Bosch GEX 34-150 Professional 240V 150mm Random Orbital Sander

6-speed2.1kg3 years (with registration)

Bosch GEX 34-150: random orbital sander, 150mm pad, 4mm orbit, 9,000–24,000 orbits/min, 340W, 2.1kg.

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150mm
Pad size
4mm
Orbit
2.1kg
Weight
6m/s²
Vibration

Where it sits among 150mm random orbital sanders

Scaled against the 23 random orbital sanders with a 150mm pad we list, so other sizes aren't in the mix. Not a score: bigger isn't always better for your job.

Orbit4mm
2.5mm lowestMilwaukee M12 FROS2.5highest 8mmMirka DEROS II 680
Weight2.1kg
0.95kg lightestMilwaukee M12 FROS5heaviest 2.4kgBosch GEX 40-150
Vibration6.0m/s²
1.9m/s² lowestDeWalt DCW230highest 6.0m/s²This one
Noise (LpA)81dB(A)
71dB(A) lowestMirka DEROS II 625highest 84dB(A)Bosch GEX 40-150
Compare it with: + Mirka DEROS II 680 + Festool ETS 150/5 EQ + Makita BO6030 + Milwaukee M12 FROS2.5

Full specs

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

Pad & Sanding

MotionRandom orbit
Pad size150 mm
Orbit4 mm
Abrasive fixingHook and loop
Dust holesMulti-hole

Physical & Build

Weight2.1 kg
Noise level81 dB(A) LpA / 89 dB(A) LwA
Vibration (sanding)6 m/s²

Speed & Control

Top speed (orbits)24,000 opm
Lowest speed (orbits)9,000 opm
Top speed (rpm)12,000 rpm
Lowest speed (rpm)4,500 rpm
Speed dial positions6
Variable speed✓ Yes
Constant speed electronics✓ Yes
Pad brake✓ Yes

Power & Motor

Voltage240V
Power input340 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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