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

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

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.

SpecFestool KHC-S 18Bosch GBH 18V-26
Impact energy1.7J2.6J
Impact rate4500bpm4350bpm
Max hole, concrete18mm26mm
Max hole, wood25mm30mm
Weight (bare)1.83kg2.9kg
Weight (with battery)2.43kg3.5kg
Vibration (hammer drilling)15.35 m/s²15.2 m/s²
Noise89 dB(A) LpA / 97 dB(A) LwA91 dB(A) LpA / 99 dB(A) LwA
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