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Bosch Professional · Random orbit sanders

Bosch Professional GEX 12V-125Sanding discs & size guide

Bosch's 12 V GEX 12V-125 uses a 125 mm sanding pad and hook-and-loop discs. The published orbit diameter is 2.5 mm.

MANUFACTURER SPECIFICATIONS

What size does it take?

Sanding pad diameter
125 mm
Disc attachment
Hook and loop
Orbit diameter
2.5 mm
Orbital stroke rate
12,000–20,000 opm
Battery voltage
12 V

Select 125 mm hook-and-loop abrasives; verify the extraction-hole layout and material suitability.

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DOCUMENTED MANUFACTURER PARTS

Replacement parts for this model

PART 2608000715

Bosch replacement dust bag

Bosch UK lists dust bag 2 608 000 715 in all GEX 12V-125 variants. Amazon technical details confirm part number 2608000715 and the listing names both GEX 12V-125 and GEX 18V-125.

  • This is the collection bag accessory, not an abrasive sanding disc.
  • Confirm the part number and condition of the dust outlet before ordering.

Manufacturer reference for this model · checked 2026-10-03

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Check before buying

  1. Check dust-hole alignment against the fitted pad.
  2. Choose grit and abrasive type for the material and finish.
  3. Use the complete model and part number when selecting a replacement backing pad.

Source & scope

Bosch Professional UK GEX 12V-125 technical data

Source checked 2026-10-03. This page records published specifications; it is not a hands-on review or a guarantee for every accessory sold under these dimensions.

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