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

DeWalt DCD999 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.

SpecDeWalt DCD999Bosch GSB 18V-45
Max torque112Nm45Nm
Speed settings32
Top speed2000rpm1900rpm
Blows per minute38250bpm27000bpm
Max drilling, wood55mm35mm
Max drilling, steel15mm10mm
Max drilling, masonry13mm10mm
Weight (bare)1.6kg1kg
Weight (with battery)2.21kg1.6kg
Vibration (hammer drilling)12.5 m/s²14.0 m/s²
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