Bosch GBH 3-28 DFR Professional Rotary Hammer with SDS-plus 

GZ Industrial Supplies Nigeria is the distributor of Bosch Power tools in Nigeria. Our Bosch GBH 3-28 DFR Professional Rotary Hammer with SDS-plus is top performance with 20% less vibration, with high drilling rate and 20% higher chiselling power than other rotary hammers in its class.m 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. 

GBH 3-28 DFR Professional comes complete with:

 

Rated input power	800 W
Impact energy	3,1 - 3,5 J
Impact rate at rated speed	0 - 4000 bpm
Rated speed	0 - 900 rpm
Weight	3.6 kg
Tool dimensions (length)	354 mm
Tool dimensions (height)	233 mm
Tool holder	SDS-plus

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

Hammer drilling in concrete
Vibration emission value ah	13 m/s²
Uncertainty K	2 m/s²

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

	Comfortable working  thanks to low vibration by adding rubber mounting/foam padding to the handles
	Optimal power transmission  for small hammers
	Metal chuck 1.0 - 13.0 mm
	Forward / reverse rotation  for inserting and removing screws
	Convenient adjustment of the chisel position  enabling you to adapt it to each work situation
	Easy and precise control of the RPM  thanks to variable speed
	Protection of the user and the machine in case of overload or binding  No abrupt blockage of the tool by unlatching clutch dogs and minimizing torque
	Bosch SDS System  Fast, tool-free changing of application tools.

Contact us for further details and availability within the storefront in your location.