Hammer perforador BOSCH GBH 3-28 DRE Professional

Maximum power with minimum vibrations

Big advance of perforación and a 20 % more than performance of cincelado that other hammers perforadores of his category
Minimum values of vibration (so alone 14,5 m/s²) for a comfortable work thanks to the system Vibration Control of Bosch
Perfect distribution of the weight with a design in L for a comfortable work
Stopped of twist for cincelar
Manguitos To warn the breaks of cable
Plate of brushes giratoria (same power in the reversible twist)
Blockade of percussion for taladrar in wood and metal

Technical data: GBH 3-28 DRE Professional

Power absorbed 800 W

Power of percussion, máx. 3,1 J

Number of percussions to nominal speed of rotation 0 – 4.000 i. p. m.

Nominal speed of rotation 0 – 900 r. p. m.

Weight 3,5 kg

Longitude 326 mm

Height 233 mm

Portaherramientas SDS-Plus

Interval of perforación

Ø Of perforación in concrete with brocas of hammers perforadores 4 – 28 mm

Field of optimum application in concrete with brocas of hammers perforadores 12 – 18 mm

Ø Of perforación máx. In mampostería with crowns hollow punches 82 mm

Ø Of perforación máx. In steel 13 mm

Ø Of perforación máx. In wood 30 mm

Functions

Right course-left

Electronic control

Embrague Of security

System SDS of Bosch

Information on noise/vibrations

Values of measurement determined as IN 60745. 

Total level of vibrations (vectorial sum of three directions)

Cincelar

Value of vibrations generated ah 10.0 m/s²

Tolerance K 1.5 m/s²

Taladrado With percussion in concrete

Value of vibrations generated ah 14.5 m/s²

Tolerance K 1.6 m/s²