Professional 18V cordless brushless SDS+ rotary hammer built for heavy-duty drilling, hammer drilling, and chiseling tasks in concrete, masonry, stone, steel, and wood. Delivering a powerful 2.8J impact energy, this tool features a durable brushless motor, three operating modes, and an SDS-Plus chuck for fast, secure bit changes. Ideal for construction, renovation, demolition, and professional concrete work. Available in three configurations: full kit with 2×4.0Ah batteries + charger, 1×4.0Ah battery + charger, or as a bare tool (body only).

Key Features:
- Brushless Motor Technology: Higher efficiency, longer runtime, and extended service life compared to brushed motors.
- 2.8J Impact Energy: Delivers strong, reliable power for heavy-duty concrete and masonry work.
- 3 Operating Modes: Drilling, hammer drilling, and chiseling for versatile construction tasks.
- SDS-Plus Chuck System: Fast, secure bit changes with improved dust protection.
- Complete Control & Safety: Electronic rotation adjustment, rotation switch, work mode switch, and tool positioning function.
- Convenient Features: Charge level indicator, quick charging, and Class III insulation.
- Accessories Included: Auxiliary handle and depth stop for improved stability and precision.
Common Specifications:
| Parameter |
Details |
| Product Type |
Cordless Brushless SDS+ Rotary Hammer |
| Voltage |
18 V DC |
| Impact Energy |
2.8 J |
| Motor Type |
Brushless |
| No-Load Speed |
0–950 rpm |
| Impact Frequency |
0–4700 min⁻¹ |
| Chuck Type |
SDS-Plus |
| Max Drilling Diameter |
Concrete: 26mm; Steel: 13mm; Wood: 30mm |
| Functions |
Drilling, Hammer Drilling, Chiseling |
| Special Features |
Electronic Rotation Adjustment, Rotation Switch, Work Mode Switch, Tool Positioning Function, Charge Level Indicator, Quick Charging |
| Insulation Class |
III |
| Protection Grade |
IPX0 |
| Acoustic Pressure |
97.6 ± 3.0 dB(A) |
| Acoustic Power |
105.5 ± 3.0 dB(A) |
| Vibration |
18.23 ± 1.5 / 15.55 ± 1.5 m/s² |
| Tool Weight |
2.8 kg |
| Included Accessories |
Auxiliary handle, depth stop |
Variant Comparison Table:
| Parameter |
YT-827724 |
YT-827725 |
YT-827726 |
| Battery Included |
2 × 4.0Ah Li-ion batteries |
1 × 4.0Ah Li-ion battery |
None (bare tool only) |
| Battery Energy |
72 Wh per battery |
72 Wh per battery |
N/A |
| Charger Included |
Yes (2-hour quick charger) |
Yes (2-hour quick charger) |
No |
| Charging Time |
2 hours |
2 hours |
N/A |
| Package Contents |
Rotary hammer, 2× batteries, charger, auxiliary handle, depth stop |
Rotary hammer, 1× battery, charger, auxiliary handle, depth stop |
Rotary hammer, auxiliary handle, depth stop |
| Full Package Weight |
6.667 kg |
6 kg |
3.5 kg |
| Best For |
Heavy/extended use, professional construction work (non-stop runtime) |
Regular use, light professional work or home renovation |
Users who already own compatible 18V batteries/chargers |