Bosch Professional 900 W Corded SDS-Plus Rotary Hammer Drill - 32 mm Concrete Capacity (GBH 4-32 DFR)

High-Performance Multi-Purpose Hammering and Drilling

 

The Bosch GBH 4-32 DFR Professional is a versatile and powerful rotary hammer designed for demanding construction and renovation tasks. With a robust 900 W motor and high-impact energy, it is engineered for fast drilling and high chiseling performance in concrete and masonry. Its "DFR" (Drill Chuck Replacement) system allows for rapid switching between the SDS-Plus chuck and a keyless chuck, providing the flexibility to transition seamlessly between hammer drilling and standard drilling in wood or metal.

 

Key Features

• Powerful 900 W Motor: Delivers consistent, high-impact force for efficient material removal and rapid drilling.

• 3-in-1 Versatility: Features rotary drilling, hammer drilling, and chiseling modes to handle diverse job-site applications.

• Bosch DFR System: Allows for quick, tool-free swapping between the SDS-Plus hammer chuck and a standard keyless chuck for drilling with straight-shank bits.

• Vibration Control: Integrated vibration damping ensures comfortable, low-fatigue operation, even during extended periods of use.

• Robust Design: Features high-grade materials and a sturdy gear housing for long-term reliability under heavy professional loads.

• Safety Clutch: An overload clutch protects both the user and the tool if the drill bit becomes jammed while drilling.

 

Technical Specifications

• Rated Power Input: 900 W

• Impact Energy: 4.2 J

• Impact Rate at Rated Speed: 0 – 3,600 bpm

• Tool Holder: SDS-Plus

• Max. Drilling Capacity (Concrete): 32 mm

• Weight: 4.7 kg

 

Ideal For

• Professional Renovation: Excellent for stripping tiles, chasing channels for conduit, and drilling medium-to-large anchor holes.

• General Construction: A reliable workhorse for contractors needing a single tool that can handle both heavy hammer drilling and precise standard drilling.

• Versatile Drilling: The interchangeable chuck makes it ideal for users who frequently switch between masonry work and drilling into wood or metal.

 

What’s in the Box? (GBH 4-32 DFR)

• 1 x Bosch GBH 4-32 DFR Professional Rotary Hammer Drill

• 1 x SDS-Plus Chuck

• 1 x Keyless Chuck

• 1 x Auxiliary Handle

• 1 x Depth Stop

• 1 x Carrying Case

 

Frequently Asked Questions (FAQ)

1. What is the benefit of the DFR system? The DFR system allows you to remove the SDS-Plus hammer chuck and replace it with a standard keyless chuck in seconds, enabling you to use regular drill bits for wood or metal without needing a second tool.

2. Can I use this for heavy-duty demolition? With 4.2 Joules of impact energy, it is highly effective for light-to-medium chiseling and tile removal. For large-scale slab demolition, a larger dedicated demolition hammer is recommended.

3. Does this model include vibration control? Yes, the GBH 4-32 DFR is specifically designed with vibration control to minimize operator fatigue during prolonged use.