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‹ SDS+ Hammer Drills
Bosch GBH 4-32 DFR Professional 110V 900W Quick-Change Chuck SDS+ Rotary Hammer (Carry Case)
SDS+ Hammer Drills

Bosch GBH 4-32 DFR Professional 110V 900W Quick-Change Chuck SDS+ Rotary Hammer (Carry Case)

4.7kg110V3 years (with registration)

900W SDS+ rotary hammer with 4.2 J impact energy for holes up to 32mm in concrete and heavier chiselling. Vibration Control, metal gearbox and a quick-change chuck.

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£528.95at Tooled Up · + £5.95 delivery
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Tooled Up Lowest£528.95 + £5.95 delivery£534.90View ›
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Machine Mart£599.00 + £4.99 delivery£603.99View ›
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4.2J
Impact energy
32mm
Max hole, concrete
900W
Power input
4.7kg
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 energy4.2J
1J lowestMakita HR140Dhighest 5.8JBosch GBH 18V-34 CF
Max hole, concrete32mm
12mm lowestEinhell TE-HD 18/12 Lihighest 35mmHiKOKI DH3635DC
Power input900W
470W lowestMakita HR1840highest 1,600WEinhell TE-RH 32-1600 4F
Weight4.7kg
1.5kg lightestEinhell TE-HD 18/12 Liheaviest 6.1kgEinhell RT-RH 32
Compare it with: + Makita HR2670FT + DeWalt D25033 + HiKOKI DH26PX2 + Einhell TP-HD 18/26 Li BL

Full specs

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

Hammer & Drilling

Chuck systemSDS+
Impact energy4.2 J
Measured to EPTA✓ Yes
Impact rate3,600 bpm
No-load speed0–800
Max hole, concrete32 mm
Best range, concrete14–25mm
Max core cutter90 mm
Max hole, wood32 mm
Max hole, steel13 mm
Dust extractionGDE 68 (listed by Bosch GB as fitting system accessory)

Power & Motor

Voltage110V
Power input900 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

Weight4.7 kg
Case typeCarry case
Case modelCarrying case
Case included✓ Yes
Noise level93 dB(A) LpA / 101 dB(A) LwA
Vibration (hammer drilling)12.7 m/s²
Vibration (chiselling)11.4 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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