Festool 578747 Cordless Rotary Hammer Drill KHC-S 18-Basic
– PRE ORDER – Available from September 2026

Main applications
Ideal for hammer drilling up to Ø 12 mm in concrete, stone and masonry (maximum Ø 18 mm possible).
Interior fitting, assembly work, securing of substructures, ceiling suspensions, and other elements (Ø 5–12 mm) on concrete and masonry.
Fastening of kitchen cabinets, wall shelves, sound insulation elements, drywalls, skirting boards
Also suitable for light chiselling work such as removing plaster, filler or floor tiles; cutting slots in sandstone and masonry.
Drilling without percussion, as is required when drilling into tiles.
Working with dust extraction – Bluetooth® battery pack automatically starts Bluetooth®-compatible extractor in AUTO mode.

Technical data
Battery voltage (rated voltage) 18 V
Idle engine speed 0 – 1 400 min⁻¹
Idle stroke rate 0 – 4.500 min⁻¹
Impact energy 1.70 J
Max. drilling diameter in concrete 18.00 mm
Max. drilling diameter in steel 13.00 mm
Max. drilling diameter in wood 25.00 mm
Tool holder SDS-Plus
Drive type Battery
Product weight without accessories 1.83 kg
Transport weight incl. accessories 4.33 kg

Noise and vibration values
Hammer drilling in concrete: Uncertainty (noise) K 3.00 dB
Hammer drilling in concrete: Total vibration average, Ah 15.35 m/s²
Hammer drilling in concrete: Uncertainty (vibration) K 1.50 m/s²
Hammer drilling in concrete: A-weighted sound power level, LWA 97.00 dB(A)
Hammer drilling in concrete: Standards series EN 62841
Hammer drilling in concrete: A-weighted sound pressure level, LpA 89.00 dB(A)