BOSCH ROTARY HAMMER as the higher chiseling performance than other rotary hammers in its class. Buy Original from Nigeria’s First and best Online Safety Store.
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.
Balanced weight distribution due to L-shaped design for more comfortable working
Rotation stop for chiselling
Specification overview
Rated power input 800 W
Impact energy 0 - 3,5 J
Impact rate at rated speed 0 - 4000 bpm
Rated speed 0 - 900 rpm
Weight without cable 3.6 kg
Toolholder SDS-plus
Drilling range
Drilling dia. concrete, hammer drill bits 4 - 28 mm
Max. drilling dia. masonry, core cutters 82 mm
Max. drilling dia. steel 13 mm
| Item | Included |
|---|---|
| Depth stop 210 mm | 1 613 001 010 |
| Machine cloth | |
| Carrying case | 2 605 438 651 |
| Keyless chuck 13 mm | 2 608 572 212 |
| SDS-plus quick-change chuck | 2 608 572 213 |
| Auxiliary handle | 2 602 025 191 |
| Grease tube | spare part number 1 615 430 010 |
| 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 |
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Comfortable working thanks to low vibration by adding rubber mounting/foam padding to the handles |
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Optimal power transmission for small hammers |
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Metal chuck 1.0 - 13.0 mm |
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Forward / reverse rotation for inserting and removing screws |
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Convenient adjustment of the chisel position enabling you to adapt it to each work situation |
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Easy and precise control of the RPM thanks to variable speed |
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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 |
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Bosch SDS System Fast, tool-free changing of application tools. |
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