April 22, 2026
Bosch GEX12V 3-inch Random Orbital Sander

I spotted a range of new Bosch 12V cordless sanders and polishers.

Bosch GEX12V Random Orbital Sander Sizes on Amazon

From what I’m seeing, there are 6 new cordless sanders and polishers, and they’re all available now.

I asked Bosch for more information last week, but haven’t heard back yet. In the meantime, I’ll summarize what I’m seeing.

Bosch 12V 3-inch Cordless Sander and Polishers

I found (3) 3-inch sanders and polishers.

GEX12V-77N – sander with 3/32″ (2.5mm) orbit.
GPX12V-77N – polisher with 15/32″ (12mm) orbit for lighter work.
GPO12V-77N – polisher with lower speed, for heavier work.

Bosch 12V Cordless Detail and Wet Dry Sander

I found (2) 1-1/4″ sanders.

GEX12V-32N – compact sander with 1/8″ (3mm) orbital motion.
GSS12V-32N – sander with 3/16″ (5mm) orbital action for high material removal rate, Amazon description says it’s for “wet or dry” sanding.

Bosch 12V 5-inch Cordless Orbital Polisher

I also found a 5″ random orbital polisher.

GPX12V-125N – polisher with 5/16″ (8mm) orbital motion.

Bosch 12V 5-inch Cordless Orbital Polisher Used on Car

To sum things up, there are (2) 3″ polishers, one for lighter work and other for deeper work, a 5″ polisher, (2) 1-1/4″ sanders, one with low removal rate and the other with higher removal rate, and a 3″ sander.

New Bosch Sanders

1-1/4″ detail sander with 3mm orbit (less aggressive) – GSS12V-32N
1-1/4″ detail sander with 5mm orbit (more aggressive) – GEX12V-32N
3″ sander with 2.5mm orbit – GEX12V-77N

New Bosch Polishers

3″ polisher for light scratches or surface work – GPO12V-77N
3″ polisher for deeper scratches or heavier work – GPX12V-77N
5″ polisher – GPX12V-125N

I hope that makes sense – it took me a bit of time scrutinizing the product descriptions and specs to sort this out.

Bosch 12V Compact Cordless Sander Used on Car

The 1-1/4″ and 3″ sanders are described as being suited for wet or dry sanding applications.

Bosch Compact Cordless Sander Speed Control

From what I’m seeing, all of the sanders and polishers have a variable speed switch and speed range selection controls. The 3″ tools all have a lock-on feature.

All of the tools seem focused on automotive bodywork applications.

Bosch Compact Cordless Sander Pad System

Some of the tools have an interchangeable pad system, but I couldn’t find any details about how it works.

Prices range from $469 to $699, each, for the tool-only sanders and polishers.

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