DEWALT D25144KA-B1 3-Mode Rotary Hammer 900W 28 mm

DEWALT D25144KA-B1 3-Mode Corded Rotary Hammer 900W 28 mm
A high-performance 3-mode corded rotary hammer designed for professional drilling and chiseling applications. Powered by a high-output 900W motor, it delivers hard-hitting, consistent impact energy and can drill into concrete up to a maximum diameter of 28 mm. The tool features a Quick Change Chuck system, allowing users to switch between the SDS-Plus chuck for hammer drilling/chiseling and the standard keyless chuck for drilling wood or metal quickly and easily without extra tools. Ergonomically designed with a vibration reduction system that helps reduce hand fatigue during extended, continuous operation. The internal mechanism offers high durability meeting American standards—making it ideal for construction contractors, installation technicians, MEP tradesmen, and renovation specialists who need a powerful and versatile all-in-one tool.

Features
- Powerful 900W motor provides fast drilling performance and handles heavy-duty tasks with ease
- 3 independently selectable operating modes: Rotary Drilling, Hammer Drilling, and Chiseling
- Comes with a Quick Change Chuck system to instantly switch between SDS-Plus bits and standard straight-shank bits
- Capable of drilling into concrete and brick walls up to a maximum diameter of 28 mm
- Equipped with a Safety Clutch to instantly cut off rotational force if the bit jams, protecting the user from injury
- Variable speed trigger switch with lock-on button for continuous operation
- Forward/reverse rotation for easy bit removal or screw driving applications
- Rubber-overmolded rear and side handles designed for a firm grip and excellent shock absorption
- Highly durable gear housing and motor casing with efficient heat dissipation, extending the service life of internal components

Applications
- Drilling anchor holes, structural fastenings, and conduit penetrations in concrete, red brick, and block walls
- Light to medium chiseling applications, such as removing floor tiles, old plaster, or trimming concrete edges
- General drilling in wood, metal, or plastic sheets using the included interchangeable standard chuck

Specifications
- Brand: DEWALT
- SKU: D25144KA-B1
- Power Input: 900 W
- Operating Modes: 3 Modes (Drill / Hammer Drill / Chisel)
- Chuck system: SDS-Plus / Quick Change Chuck
- No-load speed: 0–1,450 RPM
- Impact rate: 0–5,350 BPM
- Impact energy (EPTA): 3.2 Joules
- Max. drilling capacity (concrete): 28 mm
- Max. drilling capacity (steel): 13 mm
- Max. drilling capacity (wood): 30 mm