Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
2 of 3 tools
Tool comparison

HiKOKI DH18DPB vs Bosch GBH 18V-21

They differ in 5 of 5 areas. Specs, battery platforms and every way each one is sold, from the makers' own figures.

They differ in 5 of 5 areas

No overall winner: these are the figures that separate them, from each maker's own documentation.

SpecHiKOKI DH18DPBBosch GBH 18V-21
Impact energy1.3J2J
Impact rate5500bpm5100bpm
Max hole, concrete18mm21mm
Max hole, wood18mm30mm
Weight (bare)1.6kg2.4kg
Weight (with battery)2.16kg3kg
Vibration (hammer drilling)11.6 m/s²15.5 m/s²
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