Bosch GBH 12-52D Combination Hammer

The Bosch GBH 12-52 D Professional Combination Hammer is a heavy-duty SDS max rotary hammer designed for demanding drilling and chiselling applications in concrete and stone. Its powerful 1,700 W motor delivers 19 J of impact energy, while the impact rate varies from 1,025–2,100 bpm depending on the regional variant. It provides drilling capacity up to 52 mm in concrete and supports heavy chiselling work. Constant Speed, Restart Protection, Rotation Control Clutch and Speed Selection provide controlled and reliable operation for professional construction applications.

Specifications

*Bosch lists different speed ranges for regional variants; the 230 V Middle East variant lists 1,025–2,100 bpm.

Key Features

• Powerful 1,700 W motor
• High 19 J impact energy
• SDS max tool holder
• Drilling capacity up to 52 mm in concrete
• Optimum drilling range of 30–50 mm
• Suitable for heavy chiselling applications
• Constant Speed function
• Restart Protection
• Rotation Control Clutch
• Speed Selection
• Highly robust metal components for demanding professional use
• Compatible with various dust-extraction attachments

Applications

• Drilling in concrete
• Drilling in stone
• Heavy-duty chiselling
• Breakthrough drilling
• Core drilling in concrete
• Demolition and renovation work
• Professional construction applications

Package Contents

• 1 × Bosch GBH 12-52D Combination Hammer
• 1 × Auxiliary Handle
• 1 × Carrying Case
• 1 × Grease Tube
• 1 × Machine Cloth

Bosch lists these items for the referenced carrying-case variants; exact package contents can vary by regional SKU.

Safety Note
Always use compatible SDS max accessories and wear suitable eye, hearing and respiratory protection where required. Secure the work area and follow all Bosch operating and safety instructions before drilling or chiselling.