Which materials is this sanding disc suitable for?

This sanding disc is suitable for wood, plaster, paint coatings, and steel.

Which machines are compatible with the Bosch Expert O780 disc?

It fits random orbital sanders with a 125 mm backing pad and hook-and-loop attachment.

What is grit P240 used for?

Grit P240 is used for fine sanding, smoothing, and preparing surfaces prior to finishing.

What is the benefit of the film backing?

The film backing is tear-resistant and flexible, ensuring strong edge durability and a smooth finish.

Does this sanding disc have holes for dust extraction?

Yes, it is perforated to support efficient dust extraction during sanding.

BOSCH 2608902421 EXPERT sanding disc O780 with film backing, 125 mm, grit 240

Name: BOSCH 2608902421 EXPERT sanding disc O780 with film backing, 125 mm, grit 240
Brand: BOSCH
SKU: 08120422
Price: 1.85 EUR
Availability: PreOrder

Supplier number: BOSCH 2608902421 | EAN 4059952708195

From 50 piece €1.85

From 100 pieces €1.67 - €18.51 saving

From 150 pieces €1.57 - €41.65 saving

1.85 tax incl.

€1.53 excl. VAT (incl. all environmental contributions)

On order: delivered from 28/10/2026

The minimum purchase order quantity for the product is 50.

Ordered before 20:00 - delivered as of 28/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

✆ Talk to a specialist

Smooth finishing with Bosch EXPERT sanding discs

Practical benefits

Tear resistant flexible film backing: The durable film backing prevents edge wear and withstands demanding applications across timber, paint, drywall, and steel.
Self sharpening durable ceramic grit: You achieve consistent stock removal and a swirl-free finish thanks to tough ceramic grain technology.
Fast hook and loop attachment: You swap the 125 mm disc quickly while punched holes ensure efficient dust removal across work surfaces.

In a nutshell

The right choise for

With the Bosch Expert O780 sanding disc, you achieve a smooth and consistent finish across wood, paint coatings, plaster, and steel. The tear-resistant and flexible film backing protects the 125 mm disc against edge wear, even during demanding sanding jobs. Featuring self-sharpening ceramic grains in grit P240, this disc delivers steady stock removal to prepare surfaces cleanly without leaving swirl marks. The hook-and-loop fastening allows quick and secure disc changes on your random orbital sander, while the perforations ensure effective dust extraction from the working area.

Product information FAQ

€1.85

tax incl.

Key features according to our expert

Diameter: 125 mm
Grit size: 240
Mounting (disc): Hook-and-loop
Bore size: Not applicable
Perforated: Yes
For material: Wood; Paint; Plaster; Steel
Series: Expert O780
Product Range: Bosch Expert

Product description

Designed for efficient sanding of various materials
Long lifetime when sanding various materials
Durability and no marks thanks to Bosch Ceramic Technology
Foil backing for excellent material removal and a great finish
Just put it on with the hook-loop attachment

All Features

Diameter: 125 mm
Grit size: 240
Mounting (disc): Hook-and-loop
Bore size: Not applicable
Perforated: Yes
For material: Wood; Paint; Plaster; Steel
Series: Expert O780
Product range: Bosch Expert

Brand BOSCH
08120422
EAN 4059952708195
Supplier number BOSCH 2608902421

Frequently asked questions about this product

Answered by specialists

Which materials is this sanding disc suitable for?: This sanding disc is suitable for wood, plaster, paint coatings, and steel.
Which machines are compatible with the Bosch Expert O780 disc?: It fits random orbital sanders with a 125 mm backing pad and hook-and-loop attachment.
What is grit P240 used for?: Grit P240 is used for fine sanding, smoothing, and preparing surfaces prior to finishing.
What is the benefit of the film backing?: The film backing is tear-resistant and flexible, ensuring strong edge durability and a smooth finish.
Does this sanding disc have holes for dust extraction?: Yes, it is perforated to support efficient dust extraction during sanding.