Compact, professional-grade 18V cordless brushless impact screwdrivers built for fast, efficient fastening in construction, woodworking, and automotive applications. Delivering a maximum torque of 230Nm, these tools feature 4-speed variable control, a durable brushless motor, and a 1/4" hex drive for screwdriver bits. With LED work light, spindle brake, and a lightweight 1kg design, they offer precision and visibility in any work environment. Available in two configurations: complete kit with 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.
- 230Nm Maximum Torque: Delivers powerful performance for driving large screws and fasteners.
- 4-Speed Variable Control: 0–1200 / 0–1900 / 0–2500 / 0–3200 rpm for versatile fastening tasks.
- 1/4" Hex Drive: Standard size for most screwdriver bits, ensuring compatibility with common accessories.
- Convenient Control & Safety: Electronic rotation adjustment, rotation switch, spindle brake, LED work light, and charge level indicator (kit version).
- Lightweight Design: Only 1kg tool weight for comfortable extended use.
Common Specifications:
| Parameter |
Details |
| Product Type |
Cordless Brushless Impact Screwdriver |
| Voltage |
18 V DC |
| Max Torque |
230 Nm |
| Motor Type |
Brushless |
| No-Load Speed |
0–1200 / 0–1900 / 0–2500 / 0–3200 rpm |
| Impact Frequency |
3000 impacts/min |
| Drive Size |
1/4" (6.3 mm) Hex Drive |
| Special Features |
Electronic Rotation Adjustment, Rotation Switch, Spindle Brake, LED Work Light |
| Insulation Class |
III |
| Protection Grade |
IPX0 |
| Acoustic Pressure |
99.0 ± 3.0 dB(A) |
| Acoustic Power |
107.0 ± 3.0 dB(A) |
| Vibration |
12.9 ± 1.5 m/s² |
| Tool Weight |
1 kg |
Variant Comparison Table:
| Parameter |
YT-82799 (Bare Tool) |
YT-82798 (1×4.0Ah Kit) |
| Battery Included |
None (bare tool only) |
1 × 4.0Ah Li-ion (4000 mAh) |
| Charger Included |
No |
Yes (quick charger) |
| Charging Time |
N/A |
2 hours |
| Special Features |
Core screwdriver function only |
Quick charging + charge level indicator |
| Package Contents |
Impact screwdriver only |
Impact screwdriver + 1×4.0Ah battery + charger |
| Full Package Weight |
1.417 kg |
3.8 kg |
| Ideal For |
Users with existing 18V batteries/chargers; replacement tool |
Regular use, woodworking, construction, and light professional work |