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‹ SDS+ Hammer Drills
GBH 2-21 110V sds+ hammer drill No product photo yet
SDS+ Hammer Drills

Bosch GBH 2-21 Professional 110V 720W SDS+ Rotary Hammer (Carry Case)

2.3kg110V3 years (with registration)

Compact 720W SDS+ rotary hammer with 2.0 J impact energy for holes up to 21mm in concrete. Three modes with chiselling, Vario-Lock and an overload clutch.

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2J
Impact energy
21mm
Max hole, concrete
720W
Power input
2.3kg
Weight

Where it sits among sds+ hammer drills

Against the 124 sds+ hammer drills we list. Not a score: bigger isn't always better for your job.

Impact energy2J
1J lowestMakita HR140Dhighest 5.8JBosch GBH 18V-34 CF
Max hole, concrete21mm
12mm lowestEinhell TE-HD 18/12 Lihighest 35mmHiKOKI DH3635DC
Power input720W
470W lowestMakita HR1840highest 1,600WEinhell TE-RH 32-1600 4F
Weight2.3kg
1.5kg lightestEinhell TE-HD 18/12 Liheaviest 6.1kgEinhell RT-RH 32
Compare it with: + Makita HR2670FT + HiKOKI DH26PX2 + DeWalt D25033 + Milwaukee M18 ONEFHPX

Full specs

From Bosch's own documentation. Checked 03/10/2026. Report a spec error ›

Hammer & Drilling

Chuck systemSDS+
Impact energy2 J
Measured to EPTA✓ Yes
Impact rate4,800 bpm
No-load speed0–2,000
Max hole, concrete21 mm
Best range, concrete4–10mm
Max hole, wood30 mm
Max hole, steel13 mm
Dust extractionGDE 16 Plus / GDE 68 / GDE 162 (listed by Bosch GB as fitting dust attachments)

Power & Motor

Voltage110V
Power input720 W

Modes & Handling

ModesHammer drilling / Drilling without impact / Chiselling / Vario-Lock chisel position
Chisel only✓ Yes
Chisel position lock✓ Yes
Drill only (no hammer)✓ Yes
BodyInline or D-handle
Safety clutch✓ Yes

Physical & Build

Weight2.3 kg
Case typeCarry case
Case modelCarrying case 1 619 P10 938
Case included✓ Yes
Noise level97 dB(A) LpA / 105 dB(A) LwA
Vibration (hammer drilling)14.1 m/s²
Vibration (chiselling)10.6 m/s²

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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