Bosch Professional 800 W Corded SDS-Plus Rotary Hammer Drill - 28 mm Concrete Capacity (GBH 3-28 DFR)

Versatile and Fast Power for Multi-Purpose Drilling

 

The Bosch GBH 3-28 DFR Professional is a high-performance, versatile rotary hammer engineered for rapid progress in professional construction and renovation tasks. Equipped with a powerful 800 W motor, this tool is designed to deliver superior drilling speeds and high chiseling performance in concrete, masonry, and stone. Its "DFR" (Drill Chuck Replacement) system allows for fast, tool-free switching between the SDS-Plus hammer chuck and a standard keyless chuck, providing unmatched flexibility when alternating between heavy-duty masonry drilling and precision work in wood or metal.

 

Key Features

• Powerful 800 W Motor: Provides excellent performance for fast drilling and chiseling in tough materials.

• 3-in-1 Versatility: Features dedicated modes for hammer drilling, rotary drilling, and chiseling, covering a wide range of job-site applications.

• Bosch DFR System: Allows for rapid swapping between the SDS-Plus hammer chuck and a standard 13 mm keyless chuck, enabling the use of straight-shank drill bits.

• Vibration Control: Features active vibration damping, ensuring low-fatigue operation and enhanced user comfort during extended use.

• Balanced Weight Distribution: Engineered with an L-shaped design for optimal balance and handling, making it easier to control during overhead or horizontal tasks.

• Safety Clutch: An overload clutch protects both the user and the tool by disengaging the drive if the drill bit binds in reinforced concrete.

 

Technical Specifications

• Rated Power Input: 800 W

• Impact Energy: 3.1 J

• Impact Rate at Rated Speed: 0 – 4,000 bpm

• Tool Holder: SDS-Plus

• Max. Drilling Capacity (Concrete): 28 mm

• Weight: 3.6 kg

 

Ideal For

• Professional Contractors: A reliable, all-in-one tool for electrical, plumbing, and general construction trades.

• Diverse Applications: Perfect for drilling anchor holes, light chiseling, and switching to standard drilling for wood or steel when required.

• Extended Use: The vibration control and balanced L-shaped design make it ideal for prolonged daily operation on construction sites.

 

What’s in the Box? (GBH 3-28 DFR)

• 1 x Bosch GBH 3-28 DFR Professional Rotary Hammer Drill

• 1 x SDS-Plus Chuck

• 1 x Keyless Chuck (13 mm)

• 1 x Auxiliary Handle

• 1 x Depth Stop

• 1 x Carrying Case

 

Frequently Asked Questions (FAQ)

1. What does "DFR" mean? The DFR system allows you to change the chuck from an SDS-Plus hammer chuck to a standard keyless chuck in seconds, allowing you to use regular drill bits for wood or metal work.

2. Is this suitable for heavy demolition? With 3.1 Joules of impact energy, it is ideal for drilling and light-to-medium chiseling. For heavy-duty concrete demolition, a larger dedicated breaking hammer is recommended.

3. Does it have vibration control? Yes, it features integrated vibration damping designed to minimize operator fatigue and improve control.