DongCheng 20V 4Ah Brushless Cordless Rotary Hammer Drill (24mm) - DCZC04-24

A 20V cordless rotary hammer drill featuring a Brushless motor for high efficiency and a longer lifespan. Designed for contracting, electrical, and plumbing work, it delivers powerful impact energy to handle concrete and hard surfaces with ease.

1. Technical Specifications

• Battery: 20V Max.
• Impact Energy: 2.7 Joules.
• No-load Speed: 0 - 1000 RPM.
• Impact Rate: 0 - 4500 BPM.
• Max Drilling Capacity:
  • Concrete: 24 mm diameter.
  • Steel: 13 mm diameter.
  • Wood: 28 mm diameter.
• Net Weight: 2.6 kg to 3.2 kg (depending on battery type).

2. Key Features

• Brushless Motor: Provides higher efficiency, longer motor life, and more power compared to conventional motors.
• 3 Operating Modes:
  1. Drilling: For wood and metal.
  2. Hammer Drilling: For concrete and walls.
  3. Chiseling/Demolition: For light breaking tasks.
• Constant Speed Electronic Control: Maintains speed stability even under load for consistent performance.
• Mechanical & Electronic Clutch: Protects the user and the tool if the bit gets jammed (kickback reduction).

4. How to Use

1. Battery Installation: Ensure the battery is fully charged, then slide it into the base until you hear a "click."
2. Mode Selection: Turn the mode selector dial to choose one of the three systems.
3. Bit Installation (SDS-plus): Insert compatible bits by pushing them into the chuck with a slight turn until they lock.
4. Speed Adjustment: Use the trigger to control speed; speed increases with more pressure.
5. Auxiliary Handle: Use the adjustable side handle for balance and precision in hard materials.
6. Depth Setting: Use the depth gauge for drilling holes to a specific depth.

5. Warranty

One-year maintenance warranty provided.

Additional Information:

The device features an ergonomic design that reduces vibrations, making it suitable for heavy-duty professional use on construction sites without the need for power cords.