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‹ SDS+ Hammer Drills
Bosch GBH 3-28 DFR Professional 240V 800W Quick-Change Chuck SDS+ Rotary Hammer (Carry Case)
SDS+ Hammer Drills

Bosch GBH 3-28 DFR Professional 240V 800W Quick-Change Chuck SDS+ Rotary Hammer (Carry Case)

3.6kg240V3 years (with registration)

Compact L shaped 800W SDS+ rotary hammer with 3.1 J impact energy and a quick-change chuck. Vibration Control, four modes and a 13mm keyless chuck included.

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£393.95at Tooled Up · + £5.95 delivery · Available to order
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3.1J
Impact energy
28mm
Max hole, concrete
800W
Power input
3.6kg
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 energy3.1J
1J lowestMakita HR140Dhighest 5.8JBosch GBH 18V-34 CF
Max hole, concrete28mm
12mm lowestEinhell TE-HD 18/12 Lihighest 35mmHiKOKI DH3635DC
Power input800W
470W lowestMakita HR1840highest 1,600WEinhell TE-RH 32-1600 4F
Weight3.6kg
1.5kg lightestEinhell TE-HD 18/12 Liheaviest 6.1kgEinhell RT-RH 32
Compare it with: + Makita HR3210C + DeWalt D25133 + Einhell RT-RH 32 + Bosch Green PBH 2100 RE

Full specs

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

Hammer & Drilling

Chuck systemSDS+
Impact energy3.1 J
Measured to EPTA✓ Yes
Impact rate4,000 bpm
No-load speed0–900
Max hole, concrete28 mm
Best range, concrete12–18mm
Max core cutter82 mm
Max hole, wood30 mm
Max hole, steel13 mm
Dust extractionGDE 68 (listed by Bosch GB as fitting system accessory)

Power & Motor

Voltage240V
Power input800 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
Quick-change chuck✓ Yes
BodyL-shape
Anti-vibration✓ Yes
Anti-vibration systemVibration Control
Safety clutch✓ Yes

Physical & Build

Weight3.6 kg
Case typeCarry case
Case modelCarrying case 2 605 438 651
Case included✓ Yes
Noise level94 dB(A) LpA / 102 dB(A) LwA
Vibration (hammer drilling)11.8 m/s²
Vibration (chiselling)10.0 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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