Random Orbit Sander
GEX 125-1 AE Professional

Entry-class 125mm random orbit sander for small areas and spot repair work


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Technical data

The most important data

Sanding pad diameter 125 mm
No-load speed 7,500 – 12,000 rpm
Orbital stroke rate 15,000 – 24,000 opm
Eccentricity 1.25 mm
Sanding sheet / disc attachment Hook-and-loop fastening
Rated input power 250 W
Weight 1.3 kg
Tool dimensions (width) 122 mm
Tool dimensions (length) 227 mm
Tool dimensions (height) 150 mm
Orbit diameter 2.5 mm
Packaging dimensions (width x length x height) 365 x 390 x 115 mm
Noise/vibration information

Total vibration values (vector sum of three directions)

Sound pressure level 77 dB(A)
Sound power level 88 dB(A)
Uncertainty K 2.8 dB
Sanding solid wood
Vibration emission value ah 5 m/s²
Uncertainty K 1.5 m/s²


Entry-class 125mm random orbit sander for small areas and spot repair work

  • Compact and ergonomic design with variable grip positions offers outstanding comfort even when working overhead
  • Speed preselection option enables use in multi-material applications
  • Dust box with built-in Bosch Micro Filter System for practically dust-free work


Click & Clean System – 3 great benefits A clear view of the work surface: You work more precisely and faster
Harmful dust is extracted immediately: Protects your health
Less dust: Longer lifetime of tool and accessories
Best work results with speed pre-selection Best work results with speed pre-selection for applications requiring material-specific speed
Dust extraction directly into the integral dust bag on the tool and/or using an all-purpose dust extractor
Easy attachment and detachment of sanding paper thanks to hook-and-loop
Woodworking The professional power tools for woodworking from Bosch.

Scope of supply

GEX 125-1 AE

Order number: 0 601 387 540

Selected version

Price includes:

  • Sanding disc
  • Microfilter box 2 609 199 176