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

Milwaukee M12 BPD vs Bosch GSB 18V-45

They differ in 5 of 6 areas. Specs, battery platforms and every way each one is sold, from the makers' own figures.

They differ in 5 of 6 areas

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

SpecMilwaukee M12 BPDBosch GSB 18V-45
Max torque30Nm45Nm
Top speed1500rpm1900rpm
Blows per minute22500bpm27000bpm
Max drilling, wood22mm35mm
Weight (bare)1.04kg1kg
Weight (with battery)1.44kg1.6kg
Vibration (hammer drilling)7.9 m/s²14.0 m/s²
Vibration (drilling metal)1.5 m/s²< 2.5 m/s²
Noise85 dB(A) LpA / 96 dB(A) LwA89 dB(A) LpA / 97 dB(A) LwA
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