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About the product
The Makita HR4003C is a rotary demolition hammer drill with an SDS Max chuck system, 110 V supply and 1100 W continuous input power. It has variable speed control, electronic speed control to maintain speed under load, soft start and a torque limiter that stops bit rotation if the bit jams.
Features include double insulation and a soft rubber grip. The tool is described for demolition and drilling, including work in concrete, brick and stone.
No-load speed: 250–500 min; impacts per minute: 1450–2900 min
Maximum drilling diameter in concrete: 40 mm; optimum range: 16–30 mm