GBH 3-28 DFR ROTARY HAMMER
GBH 3-28 DFR ROTARY HAMMER ROTARY HAMMER /DEMOLITION HAMMER BOSCH MACHINERY Melaka, Malaysia, Masjid Tanah Supplier, Suppliers, Supply, Supplies | JOO SENG HARDWARE SDN. BHD.

Top performance with 20% less vibration

  • High drilling rate and 20% higher chiselling power than other rotary hammers in its class
  • 20% less vibration than other hammers in its class for more comfortable working due to Bosch Vibration Control
  • Quick change chuck for fast changes between drilling with impact in concrete and drilling without impact in wood and metal
 

TECHNICAL DATA

Specification

Rated input power 800 W
Weight 3.6 kg
Tool dimensions (width) 85 mm
Tool dimensions (length) 355 mm
Tool dimensions (height) 233 mm
Tool holder SDS plus
Impact energy 3.1 J
Impact rate at rated speed 0 – 4,000 bpm
Rated speed 0 – 900 rpm
 

Drilling range

Drilling dia. concrete, hammer drill bits 4 – 28 mm
Opt. appl. range concrete, hammer drill bits 12 – 18 mm
Drilling diameter in concrete with core cutters 68 mm
Max. drilling diameter masonry, core cutters 82 mm
Max. drilling diameter in metal 13 mm
Max. drilling diameter in wood 30 mm
 

Total vibration values (Hammer drilling in concrete)

Vibration emission value ah 13 m/s²
Uncertainty K 2 m/s²
 

Total vibration values (Chiselling)

Vibration emission value ah 1.5 m/s²
Uncertainty K 9.5 m/s²
 

Hammer drilling in concrete

Vibration emission value ah 13 m/s²
Uncertainty K 2 m/s²
 

Chiselling

Vibration emission value ah 1.5 m/s²
Uncertainty K 9.5 m/s²

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