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

HiKOKI DH18DPA vs Bosch GBH 18V-28 D

They differ in 4 of 5 areas. Specs, battery platforms and every way each one is sold, from the makers' own figures.

They differ in 4 of 5 areas

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

SpecHiKOKI DH18DPABosch GBH 18V-28 D
Impact energy1.3J3.4J
Impact rate5500bpm4250bpm
Max hole, concrete18mm28mm
Max hole, wood18mm30mm
Weight (bare)1.8kg3.3kg
Weight (with battery)2.36kg3.9kg
Vibration (hammer drilling)10.5 m/s²10.1 m/s²
Noise93 dB(A) LpA / 101 dB(A) LwA95 dB(A) LpA / 103 dB(A) LwA
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