Professional 900W corded hammer drill with 28mm SDS-Plus chuck, electronic variable speed control, and Quick Change system for versatile drilling and chiseling in concrete, masonry, wood, and steel.
The DEWALT D25144K-QS is a professional-grade 28mm SDS-Plus hammer drill engineered for demanding drilling and chiseling applications in concrete and masonry. This corded power tool delivers exceptional performance with a powerful 900W motor that provides consistent power for drilling anchor and fixing holes ranging from 4 to 28mm in diameter. The electronic variable speed control offers total command over the tool, allowing operators to adjust performance based on specific application requirements and material types.
Equipped with advanced features including an impact-stop mechanism for versatile drilling in wood, steel, and ceramic materials, this hammer drill combines durability with user comfort. The Quick Change Removable Chuck system enables rapid bit changes without additional tools, while the mechanical clutch provides essential safety by eliminating sudden high-torque reactions when bits jam. The improved sealing system ensures maximum protection from dust ingress, extending the tool's operational lifespan and maintaining consistent performance in challenging work environments.
The D25144K-QS features ergonomic design elements including a rubber-coated back handle and side handle with built-in light for enhanced comfort and visibility during extended use. With a no-load speed of 0-1450 RPM and low vibration levels (14.9 m/s² for drilling, 13.8 m/s² for chiseling), this professional tool minimizes user fatigue while delivering superior results. The package includes a multi-position rubber side handle with built-in light, depth stop, heavy-duty carrying case, and quick change 13mm keyless chuck, making it an complete solution for professional contractors and serious DIY enthusiasts.
Key Features
- 28mm SDS-Plus chuck for drilling holes from 4 to 28mm diameter
- 900W corded motor with 0-1450 RPM electronic variable speed control
- Quick Change Removable Chuck for rapid bit changes without tools
- Impact-stop mechanism for drilling in wood, steel, ceramic and screwdriving
- Mechanical clutch eliminates sudden high-torque reaction when bit jams
- Improved sealing system protects against dust ingress for extended tool life
- Ergonomic rubber-coated back and side handles with built-in light
- Low vibration levels: 14.9 m/s² drilling, 13.8 m/s² chiseling
- Rotation-stop for light chiselling in brick and soft masonry
- Output air slots designed to protect users' eyes
Technical Specifications
| Specification |
Value |
| Model | D25144K-QS |
| Chuck Type | 28mm SDS-Plus Quick Change |
| Power Source | Corded Electric |
| Power Input | 900 W |
| No Load Speed | 0-1450 RPM |
| Max Drilling Capacity (Concrete/Masonry) | 28 mm |
| Max Drilling Capacity (Wood) | 30 mm |
| Max Drilling Capacity (Metal) | 13 mm |
| Product Length | 360 mm |
| Product Height | 210 mm |
| Product Width | 75 mm |
| Product Weight | 3.1 kg |
| Vibration Measurement (Drilling) | 14.9 m/s² |
| Vibration Measurement (Chiseling) | 13.8 m/s² |
| Warranty | 1 Year Limited Warranty, 3 Year Limited Warranty When Registered |
| Included Accessories | Multi-Position Rubber Side Handle with Built-In Light, Depth Stop, Heavy Duty Carrying Case, Quick Change 13mm Keyless Chuck |
| Packaging Type | Blister |
| Battery Included | No |
