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Bosch GSB 21-2 RE Professional 240V 1100W Corded Percussion Drill
Percussion Drills

Bosch GSB 21-2 RE Professional 240V 1100W Corded Percussion Drill

40Nm2-speed2.9kg3 years (with registration)

240V 1,100W Bosch Professional two-speed percussion drill. 0–900/0–3,000rpm, up to 51,000bpm, 13mm keyless chuck, drills 24mm in masonry. 2.9kg, carrying case.

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£224.95at Tooled Up · + £5.95 delivery · Available to order
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1,100W
Power input
3,000rpm
Max speed
24mm
Masonry
2.9kg
Weight

Where it sits among percussion drills

Against the 47 percussion drills we list. Not a score: bigger isn't always better for your job.

Power input1,100W
320W lowestMakita HP0300highest 1,100WThis one
Max drilling, masonry24mm
8mm lowestMakita HP0300highest 24mmThis one
Max drilling, wood40mm
25mm lowestEinhell TE-ID 500 Ehighest 40mmThis one
Weight2.9kg
1.3kg lightestMakita HP0300heaviest 3kgHiKOKI DV20VD
Compare it with: + HiKOKI DV16V + Bosch Green EasyImpact 600 + DeWalt DWD024 + Einhell TE-ID 500 E

Full specs

From Bosch's own documentation. Checked 25/09/2026. Report a spec error ›

Performance

Gears2
No-load speed0–900 / 0–3,000 rpm
Hammer function✓ Yes
Blows per minute51,000
Torque40 Nm
Extractor auto-startYes, plugged into an auto-start extractor

Power & Motor

Voltage240V
Power input1,100 W
Power output630 W

Chuck & Drilling

Chuck size1.5–13mm
Chuck typeKeyless
Max masonry24 mm
Max wood40 mm
Max steel16 mm

Physical & Build

Weight2.9 kg
Case typeHard case
Case included✓ Yes
Noise level102 dB(A) LpA / 110 dB(A) LwA
Vibration (drilling metal)5.7 m/s²
Vibration (hammer drilling)14.6 m/s²
The verdictOur take

The GSB 21-2 RE is a 1,100W two-speed percussion drill with a 13mm keyless chuck, drilling 24mm in masonry and 40mm in wood in first gear. It is a proper trade corded drill, supplied in a carrying case with a depth stop and side handle.

Warranty · 3yr

Up to 3 years1 year as standard, 3 once you register it with Bosch
Register with Bosch ›
Register within 28 days of buying Own one? Add it to My Tools and we'll remind you before the 28 days run out

Register within 4 weeks. Batteries & chargers can also be extended (unlike DeWalt/Makita).

Warranty terms are set by the maker and can change. Always confirm current cover on their site before you buy.

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