Bosch GBH 12 52 D SDS Max Rotary Hammer Drill

The Bosch GBH 12-52 D is a heavy-duty SDS max rotary hammer drill designed for large-scale drilling and chiselling in concrete and stone.

Sitting at the top of Bosch's corded SDS max rotary hammer range, this professional-grade machine is built for demanding applications where sustained performance and durability are essential. A high-end 1,700W motor delivers 19 J of impact energy, making it well suited to heavy chiselling work as well as large-diameter drilling tasks.

The tool accommodates SDS max drill bits for hammer drilling in concrete from 12mm up to 52mm diameter, and accepts core cutters for holes between 50mm and 150mm. It is also compatible with 80mm breakthrough drill bits, giving it genuine versatility across construction, groundworks, and trade installation projects.

Extremely robust metal components throughout the tool contribute to long-term durability in site conditions. Key electronic features include Constant Speed, Restart Protection, a Rotation Control Clutch, and variable Speed Selection, providing added control and operator safety during use. The tool is compatible with various dust attachments, supporting compliance with site dust management requirements.

Features and Benefits:
• 1,700W high-end motor delivers 19 J of impact energy for demanding chiselling and drilling tasks
• SDS max chuck accepts drill bits from 12–52mm diameter for large-scale concrete drilling
• Core cutter compatibility extends drilling diameter up to 150mm in concrete
• Constant Speed and Speed Selection for precise control across applications
• Rotation Control Clutch and Restart Protection for improved operator safety
• Robust metal construction for long-term durability in demanding site environments
• Compatible with various dust attachments to support site dust management

Specifications:
Rated input power: 1,700W
Impact energy: 19J
Impact rate: 1,025–2,100 bpm
Rated speed: 105–215 rpm
Tool holder: SDS max
Drilling diameter in concrete (hammer drill bits): 12–52mm
Optimal application range (hammer drill bits): 30–50mm
Recommended application range (hammer drill bits): 30–50mm
Drilling diameter in concrete (core cutters): 50–150mm
Drilling diameter in concrete (breakthrough drill bits): 80mm
Vibration level – drilling: 20.0 m/s²
Vibration level – chiselling: 15.0 m/s²
Sound pressure level: 96 dB(A)
Sound power level: 107 dB(A)
Noise uncertainty K: 3 dB
Length: 600mm
Width: 120mm
Height: 312mm
Net weight: 15.887kg

Contents:
Carrying case (spare part number 1 615 438 705)
1 x auxiliary handle (1 607 000 C4E)
Grease tube (spare part number 1 615 430 010)
Machine cloth