Bosch GBH 3-28 DRE Professional Rotary Hammer with SDS-plus (800W)(Black and Blue)

1. High drilling rate and 20% higher chiselling power than other rotary hammers in its class
2. 20% less vibration than other hammers in its class for more comfortable working due to Bosch Vibration Control
3. Quick change chuck for fast changes between drilling with impact in concrete and drilling without impact in wood and metal

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Physical Specification

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• Balanced weight distribution due to L-shaped design for more comfortable working
• Rotation stop for chiselling

• Comfortable working thanks to low vibration by adding rubber mounting/foam padding to the handles
• Optimal power transmission for small hammers
• 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.
• Construction - The professional power tools for construction from Bosch.

• 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
• Tool holder: SDS-plus

• 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

• Vibration emission value ah: 14.5 m/s²
• Uncertainty K: 1.6 m/s²

• Vibration emission value ah: 10 m/s²
• Uncertainty K: 1.5 m/s²

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