Bosch Professional 12V System GSB 12V-35 cordless combi drill (20/35 Nm, 1,750 rpm) – tool only
Product description
The essentials
The Bosch Professional 12V System GSB 12V-35 is a cordless combi drill aimed at jobs where you want compact handling and quick control, without feeling like you’re carrying a full-size drill for every task. On paper it leans heavily towards versatility: a combi drill format for drilling and impact drilling, plus a high rotation speed of 1,750 rpm for a broad range of jobs.
One thing that stands out in its positioning is the claimed impact performance for the 12V class: it’s described as having the highest impact rate in this category, enabling impact drilling of up to Ø10 mm in masonry. That’s the sort of detail that matters if you regularly come across brick or blockwork and don’t want to switch tools mid-job.
It’s also built around the idea that compactness shouldn’t cost you productivity. Bosch talks about a “perfect balance” between handling, productivity and performance—which is exactly what you hope for in a 12V system drill, especially if you’re working in tight spaces.

Key features you’ll actually notice
High rotation speed (1,750 rpm) is the kind of spec that usually translates into faster starts when drilling through common materials, and smoother handling when you’re driving screws. In use, it tends to feel more “responsive” than slower drills because the tool can get moving without you waiting.
The impact angle is the other half of the story. With an impact drilling capability up to Ø10 mm in masonry, this is not just a light-duty driver dressed up as a combi drill. It’s better thought of as a practical all-rounder for regular DIY/maintenance work, where you might drill into walls, anchor fixings, or handle small-to-medium brickwork tasks.


A small but helpful detail is the compact design for handling and easy operation, even in challenging working situations. If you do jobs on ladders, under stairs, inside cupboards, or anywhere you don’t have much space to swing your arm, the “compact first” approach can be more than marketing.

What’s in the box and what to double-check
The scope of supply includes: - 1/2 L-BOXX inlay for tool and charger (1 600 A00 2V2) - Cardboard box - 1 x belt clip - 1 x bit holder
However, the listing describes the kit as “without battery/charger”. That’s an important limitation to factor into your decision. If you don’t already own a compatible 12V system battery and charger, this won’t be a complete set—so you’ll need to budget for the power source separately.
Also, because the included packaging is described as part of the L-BOXX ecosystem, it’s worth considering whether you already use that storage system or plan to. If you’re not in the L-BOXX world, the tool will still work fine, but the “system” storage value may be less relevant.

Tech specs
- Type: Cordless combi drill (12V System)
- Max torque (hard/soft): 20/35 Nm
- Rotation speed: 1,750 rpm
- Impact drilling capability: up to Ø10 mm in masonry
- Scope of supply: Tool with belt clip and bit holder, includes 1/2 L-BOXX inlay (and charger inlay space), but stated as without battery/charger


Who it suits (and who should look elsewhere)
It makes sense if you want a compact cordless drill that still has proper impact-drilling capability for masonry up to Ø10 mm. You’ll likely get the best use from it for day-to-day home improvements, light trade maintenance, and situations where you need to move around a lot and don’t want a bulky tool in your hands.

You may want to skip it if you’re expecting a full, everything-in-the-box kit. Being “without battery/charger” can turn the final cost into a surprise if you don’t already have Bosch Professional 12V batteries to match.
It’s also not the most straightforward choice if your workload is mostly heavy-duty masonry drilling at larger diameters, because the stated impact drilling limit (up to Ø10 mm) suggests it’s aimed at practical, manageable jobs rather than heavy quarry work.
A quick example: imagine fitting wall plugs for shelving. You might drill into masonry, switch to screwdriving immediately, and keep going without swapping to a separate corded drill—this is the kind of workflow this model is designed to support.
Buying verdict

If you already have a Bosch Professional 12V battery platform, the GSB 12V-35 is a strong “grab-and-go” option: compact for awkward spaces, quick on speed (1,750 rpm), and backed by an impact-drilling claim for masonry up to Ø10 mm. It feels made for jobs where you need one tool to do both drilling and impact drilling without bringing out a heavier setup.


It might not be worth it if you need a complete starter kit, because the listing specifies no battery or charger. In that case, your money is better spent on a bundle that removes that gap—or on confirming what power source you’ll be using before you commit.
Mini FAQ
What does “without battery/charger” mean?

It means the drill is supplied without the battery and charger. You’ll need compatible 12V batteries/charger you already own, or plan to buy separately.
Is it suitable for masonry?
It’s described as enabling impact drilling of up to Ø10 mm in masonry, so it’s aimed at practical anchoring and drilling tasks rather than very large-diameter work.
How fast is it?
The listed rotation speed is 1,750 rpm, which is on the higher side within a 12V combi drill context.
Can it handle drilling and screwdriving?
Yes, it’s a combi drill, so it’s intended for both drilling and impact drilling (plus screwdriving in normal use). The exact performance will depend on the bit and material, as usual.
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