The DHR400ZKU LXT Brushless and Cordless SDS-MAX Rotary Demolition Hammer has a 2-mode operation with rotational hammering and hammering only. The speed of the machine is automatically reduced at zero load to further reduce vibrations and to facilitate the targeted positioning of the chisel. Features include a one touch sliding chuck for easy bit change, a torque limiter to protect the user from snagging, electronic speed control with constant speed to avoid stalling under load and soft start to make the user experience more comfortable.

Brand Name	Makita
Manufacturer Model No	MAKDHR400ZKU
Voltage	36v (2 x 18v)
No Load Speed	250 – 500 rpm
Blows per Minute	1,450 – 2,900 bpm
Shank	SDS-MAX
Max TCT Bit	40 mm
Max Core Bit	105 mm
Impact Energy	8.0 J
Net Weight	7.3 – 8.1 kg
Sound Pressure Level	91 dB(A)
Sound Power Level	102 dB(A)
Sound K Factor	3 dB(A)
Vibration Hammer Drilling into Concrete	5.0 m/s²
Chiselling Function	4.5 m/s²
Vibration K Factor	1.5 m/s²
Motor Type	Brushless
Tool Type	Demolition Hammer, Rotary Hammer
Cordless Voltage	18v, 36v

Makita DHR400 SDS MAX Twin 18v LXT Cordless Rotary Demolition Hammer features all the power and performance of a mains machine whilst benefitting from the freedom and manoeuvrability that a battery-operated tool has to offer. It punches a 40mm hole into concrete, will run up to 500rpm and will generate up to 2,900 blows per minute with 8.0 Joules of impact energy.

Brand Name	Makita
Manufacturer Model No	DHR400
Type	Rotary Demolition Hammer
Battery Voltage	36v (2x 18v)
Battery Type	Makita LXT Lithium Ion
Max in concrete (TCT bit)	40 mm
Max in concrete (TCT core)	105 mm
Impact energy	8.0 J
Shank	SDS-MAX
Blows per minute	1450 - 2900 bpm
Noise sound pressure	91 dB(A)
Noise sound power	102 dB(A)
Noise K factor	3 dB(A)
No Load Speed	250 - 500 rpm
Vibration K factor	1.5 m/sec²
Vibration (Hammer Drilling)	5.0 m/sec²
Vibration (Chiselling)	4.5 m/sec²
Net weight	7.3 - 8.1 kg