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

Bosch GBH 2-21 vs Milwaukee M18 ONEFHPX

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.

SpecBosch GBH 2-21Milwaukee M18 ONEFHPX
Impact energy2J5J
Impact rate4800bpm4600bpm
Max hole, concrete21mm32mm
Weight (bare)2.3kg4kg
Weight (with battery)2.3kg4.7kg
Vibration (hammer drilling)14.1 m/s²8.4 m/s²
Vibration (chiselling)10.6 m/s²7.9 m/s²
Noise97 dB(A) LpA / 105 dB(A) LwA95.1 dB(A) LpA / 106.1 dB(A) LwA
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