Professional 18V cordless brushless impact drill drivers built for heavy-duty drilling, screwdriving, and impact fastening tasks. Delivering a maximum torque of 120Nm, these tools feature a durable brushless motor, dual-speed control, and three operating modes for maximum versatility. Ideal for heavy construction, automotive repair, metalworking, woodworking, and concrete work. Available in two configurations: full kit with 2×4.0Ah batteries + 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.
- Max Torque 120Nm: Delivers industry-leading power for high-torque fastening and tough drilling jobs.
- 3 Operating Modes: Drilling, screwdriving, and impact for wood, steel, and concrete applications.
- Dual-Speed Control: 0–500 / 0–1800 rpm speeds, with impact frequency 0–8500 / 0–29750 min⁻¹.
- 13mm Keyless Chuck: 1.5–13mm self-centering chuck for quick and secure bit changes.
- Complete Control & Safety: Electronic rotation adjustment, spindle brake, rotation switch, and work mode switch.
- Convenient Features: LED work light, charge level indicator, quick charging, and Class III insulation.
- Heavy-Duty Battery Kit: 2×4.0Ah Li-ion batteries (in the kit version) with 2-hour charging time for extended use.
Specification:
| Parameter |
Details |
| Product Type |
Cordless Brushless Impact Drill Driver |
| Voltage |
18 V DC |
| Max Torque |
120 Nm |
| Motor Type |
Brushless |
| Speed (No-Load) |
0–500 / 0–1800 rpm |
| Impact Frequency |
0–8500 / 0–29750 min⁻¹ |
| Chuck Type |
1.5–13mm Self-Centering Keyless Chuck |
| Max Drilling Diameter |
Wood: 25mm; Steel: 10mm |
| Battery Type |
Li-ion |
| Functions |
Drilling, Screwdriving, Impact Fastening |
| Special Features |
Electronic Rotation Adjustment, Spindle Brake, Rotation Switch, Work Mode Switch, LED Work Light, Quick Charging, Charge Level Indicator |
| Insulation Class |
III |
| Protection Grade |
IPX0 |
| Acoustic Pressure |
82.0 ± 5.0 dB(A) |
| Acoustic Power |
90.0 ± 5.0 dB(A) |
| Vibration |
11.5 ± 1.5 / 1.3 ± 1.5 m/s² |
| Tool Weight |
1.3 kg |
Variant Comparison Table:
| Parameter |
YT-8277915 (Full Kit) |
YT-827791 (Bare Tool) |
| Battery Included |
2 × 4.0Ah Li-ion batteries |
None (bare tool only) |
| Charger Included |
Yes (2-hour quick charger) |
No |
| Charging Time |
2 hours |
N/A |
| Package Contents |
Drill driver, 2× batteries, charger, side handle |
Drill driver only |
| Ideal For |
Professional users needing maximum runtime; no existing 18V system |
Users who already own compatible 18V batteries/chargers |
| Full Package Weight |
4.0 kg |
1.3 kg |
| Volume (packaging) |
15.813 |
6.028 |