4-Kilo Rotary Hammer with SDS-plus and quick-change system
GBH 4 DFE Perfect for all renovation work
• Components specially designed for heavy-duty use, for example hardened SDS drive jaws for long lifetime
• Exceptionally fast, tool-free changing between SDS-plus and quick-change chuck
• High single impact force ideal for chiselling and drilling
Other advantages
• Rotation stop for chiselling work
• Impact stop for drilling in wood and steel
• Accelerator electronics for precise pilot drilling with finely applied speed
• Overload clutch
Technical data
Rated power input: 750 W
Impact energy: 0 – 3,5 J
Power output: 440 W
Impact rate at rated speed: 0 – 3.900 rpm
Rated speed: 0 – 650 rpm
Rated torque: 20 Nm
Weight: 3,9 kg
Drilling diameter in concrete with hammer drill bits: 4 – 30 mm
Optimum range of applications in concrete with hammer drill bits: 8 – 24 mm
Max. drilling diameter in masonry with core cutters: 80 mm
Max. drill diameter, steel: 13 mm
Max. drill diameter, wood: 30 mm
Material removal rate in concrete of medium hardness, approx.: 15 kg/h
Drilling perf. in concrete of medium hardness (8 mm diameter, S4) (vol.): 87 cm³/min
Drilling perf. in concrete of medium hardness (8 mm diameter, S4) (length): 77 cm/min
COMES WITH AN ASSORTMENT OF DRILL AND CHISEL BITS AS AN EXTRA AND A BOSCH CARRY CASE