Professional-grade 18V cordless brushless impact wrenches built for heavy-duty automotive, construction, and industrial fastening tasks. Delivering a maximum torque of 850Nm, these tools feature adjustable torque control, a durable brushless motor, and a 1/2" square drive for lug nuts, bolts, and large fasteners. With variable speed control, spindle brake, and LED work light, they offer precise control and visibility in any work environment. 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.
- 850Nm Maximum Torque: Delivers powerful performance for removing stubborn lug nuts and high-torque fasteners.
- Adjustable Torque Control: Customize torque output for different applications and fastener sizes.
- Variable Speed Operation: 0–2350 rpm with 0–2600 impacts per minute for versatile use.
- 1/2" Square Drive: Standard size for most automotive and industrial fasteners, with included adapter for 1/4" bits.
- Convenient Control & Safety: Electronic rotation adjustment, rotation switch, spindle brake, charge level indicator, and LED work light.
- Lightweight Design: Only 1.9kg tool weight for comfortable extended use.
Common Specifications:
| Parameter |
Details |
| Product Type |
Cordless Brushless Impact Wrench |
| Voltage |
18 V DC |
| Max Torque |
850 Nm |
| Motor Type |
Brushless |
| No-Load Speed |
0–2350 rpm |
| Impact Frequency |
0–2600 impacts/min |
| Drive Size |
1/2" (12.7 mm) Square Drive |
| Special Features |
Adjustable Torque Control, Electronic Rotation Adjustment, Rotation Switch, Spindle Brake, LED Work Light, Charge Level Indicator |
| Included Accessories |
1/2" to 1/4" bit adapter |
| Insulation Class |
III |
| Protection Grade |
IPX0 |
| Acoustic Pressure |
95.0 ± 3.0 dB(A) |
| Acoustic Power |
103.0 ± 3.0 dB(A) |
| Vibration |
16.1 ± 1.5 m/s² |
| Tool Weight |
1.9 kg |
Variant Comparison Table:
| Parameter |
YT-827793 (Bare Tool) |
YT-8277935 (2×4.0Ah Kit) |
| Battery Included |
None (bare tool only) |
2 × 4.0Ah Li-ion (4000 mAh) |
| Charger Included |
No |
Yes (quick charger) |
| Charging Time |
N/A |
2 hours |
| Package Contents |
Impact wrench + bit adapter |
Impact wrench + 2× batteries + charger + bit adapter |
| Full Package Weight |
2.5 kg |
4.875 kg |
| Ideal For |
Users with existing 18V batteries/chargers; replacement tool |
Heavy/extended use, automotive repair, professional work requiring long runtime |