DeWalt DCG405
DeWalt DCG405 — Review & Rating 2026
The DeWalt DCG405 is the most powerful 18V cordless angle grinder in the test. For anyone who regularly works in hard materials like concrete and steel, DeWalt is the right choice. We tested it thoroughly.
Our rating
Performance95/100
Weight65/100
Battery life82/100
Ergonomics70/100
Value for money72/100
Safety93/100
80/ 100 total
Technical data
| Model | DeWalt DCG405 |
| Disc diameter | 125 mm |
| Speed | 9,000 rpm |
| Weight | 2.2 kg (without battery) |
| Motor | Brushless |
| Voltage | 18V XR |
| Scope of delivery | Bare tool or with battery set |
Strengths
- ✓Highest performance in the test
- ✓Electronic brake for more safety
- ✓Overload protection protects motor and battery
- ✓Compatible with the entire DeWalt XR system
- ✓Extremely rugged build for continuous use
Weaknesses
- ✕Heaviest model in the test — 2.2 kg
- ✕Only conditionally suited for left-handed users
- ✕Expensive entry price
Who is the DeWalt DCG405 for?
- ✓Professionals who work daily in hard materials
- ✓Ambitious DIYers who need maximum power
- ✓DeWalt system users who already own DeWalt XR batteries
Conclusion
The DeWalt DCG405 is the right choice for anyone who needs maximum performance. The higher weight and higher price are justified — anyone who regularly works in concrete and steel will appreciate the power.
Prices & buying options
DeWalt DCG405
Most power in the test — electronic brake, overload protection, extremely rugged build for continuous use.