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

Bosch GBH 18V-26 vs Festool KHC-S 18

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.

SpecBosch GBH 18V-26Festool KHC-S 18
Impact energy2.6J1.7J
Impact rate4350bpm4500bpm
Max hole, concrete26mm18mm
Max hole, wood30mm25mm
Weight (bare)2.9kg1.83kg
Weight (with battery)3.5kg2.43kg
Vibration (hammer drilling)15.2 m/s²15.35 m/s²
Noise91 dB(A) LpA / 99 dB(A) LwA89 dB(A) LpA / 97 dB(A) LwA
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