Random orbit sanders
Bosch GEX 125-1 AE orbital sander with sanding disc.
Bosch GEX 125-1 AE random orbit sander with microfilter.
Bosch GEX 125-1 AE random orbit sander with microfilter.
A person wearing safety equipment sands wooden planks with a random orbit sander.
Person wearing safety equipment sanding a wooden cabinet door with a random orbit sander.
A person wearing safety equipment sands a wooden board with a random orbit sander.

GEX 125-1 AE Professional

Random Orbit Sander

Heavy duty

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

Functions & key features

7500–12000 rpm
Disk diameter 125 mm
Oscillating circuit 2.5 mm
Dust extraction
Speed selection

Your Selection

  • with dust extraction accessory
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with dust extraction accessory 0 601 387 500

GEX 125-1 AE Professional

Your Selection

Bosch GEX 125-1 AE orbital sander with sanding disc.
with dust extraction accessory

Order number: 0 601 387 500

Find a local dealer

Included in this variant

  • 1 x sanding sheet C430, Expert for Wood + Paint, 120 (available separately as set of 5: 2 608 605 643)
  • Microfilter box (spare part number 2 609 199 133)

Technical data

Additional data

Rated input power
250 W
Sanding pad diameter
125 mm
Orbit diameter
2.5 mm
Voltage, electrical
230 V
Weight*
1.3 kg
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
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Bosch GEX 125-1 AE random orbit sander with 125 mm pad.

* You can find more information about the deviations in the following link: Technical features of products

GEX 125-1 AE Professional: Further information

Product Highlights

The GEX 125-1 AE Professional is Bosch's corded entry-class random orbit sander in the 125-mm category, designed for small areas and spot repair work. Its compact and ergonomic design with variable grip positions offers outstanding comfort even when working overhead. Multi-material applications are enabled by its speed preselection. Its dust box is fitted with a built-in Bosch Micro Filter System, providing an efficient dust-extraction system for practically dust-free work.

Equipment & Application

This random orbit sander is intended for sanding, in-between sanding, lacquer removal and for surface finishing on various materials. It is applicable on wood, veneer, lacquer, filler, as well as mineral and acrylic surfaces. It is compatible with the Bosch Click & Clean System.

Additional Information

The GEX 125-1 AE Professional also includes a 125-mm sanding pad fitted with a hook-and-loop system for fastening sanding paper.