Makita hammer drill HR4511C

Power: 1350 W
Number of revolutions: 130-280 min-1
Impact frequency: 1250-2750 min-1
Max. drill hole diameter in concrete: 45 mm
Optimal drilling diameter range in concrete: 20 - 35 mm
Impact energy: 9.4 J
Max. drill hole diameter in concrete with TCT bit: 125 mm
Adapted for SDS-MAX bits
Side handle
Power cord: 4 m
Sound power level: 105 dB(A)
Sound pressure level: 94 dB(A)
Vibration level during impact drilling: 7.5 m/sec²
Vibration level during chiselling with a straight side handle: 7 m/sec²
Vibration level during chiselling with a D-type side handle: 7.5 m/sec²
Weight without a cord: 9.0 kg
Dimensions (LxWxH): 458 x 136 x 288 mm

AVT – unique vibration damping of the new technology
Adjustable rotation speed by pre-selection of the rotation speed.
Working is not tiring thanks to the handle's vibration damping design.
The service light indicates the need to replace the carbon brushes and malfunctions of the switch and connecting wires.
2 functions: impact drilling and chiselling.
Constant electronics: increase in power under load.