DongCheng Cordless Brushless Impact Wrench 1/2" 20V 4.0Ah - DCPB358 (TYPE EM)

The DongCheng DCPB358 (TYPE EM) is a powerful, professional-grade impact wrench equipped with a high-efficiency brushless motor. Engineered for heavy-duty fastening and loosening of bolts and nuts, it delivers exceptional performance. Its ultra-compact design, featuring a body length of just 129mm, makes it the ideal tool for confined spaces, providing a perfect balance of power, precision, and control.

2. Key Features

• Brushless Motor: Delivers superior efficiency, longer motor life, and extended battery runtime compared to conventional brushed motors.
• High Torque Performance: Offers a maximum fastening torque of 358 N.m and a powerful nut-busting torque of 500 N.m.
• 2-Mode Control: Allows users to switch between two speed and torque settings to match various application requirements.
• Smart-Loosen Mode: An intelligent safety feature that stops or reduces speed automatically once the nut is loosened, preventing it from accidentally falling.
• Ultra-Compact Design: The 129mm head length ensures effortless maneuverability in tight automotive engine bays or narrow steel structures.

3. Technical Specifications

• Battery: 20V MAX / 4.0Ah (Includes 2 Battery Packs).
• Max Power Output: 400W.
• Square Drive Size: 1/2" (12.7mm).
• Standard Bolt Capacity: M12 – M18.
• No-load Speed:
  • Low: 0 – 2000 RPM.
  • High: 0 – 2400 RPM.
• Impact Frequency:
  • Low: 0 – 2900 IPM.
  • High: 0 – 3200 IPM.
• Torque Settings:
  • Low: 300 N.m.
  • High: 358 N.m.
• Net Weight: 1.7 kg (Lightweight to reduce user fatigue).

4. How to Use

1. Battery Installation: Ensure the 20V battery is fully charged, then slide it into the base of the tool until it clicks securely into place.
2. Socket Selection: Mount the appropriate impact socket (M12 to M18) onto the 1/2" square drive.
3. Speed/Torque Adjustment: Use the control panel at the base to select the desired speed (Low for precision tasks, High for heavy-duty applications).
4. Fastening: Gradually press the variable speed trigger. The tool will rotate and engage the impact mechanism once resistance is met.
5. Loosening: Switch the rotation direction. You can activate the "Smart-Loosen" mode to ensure the nut does not drop after being released.
6. LED Work Light: The integrated LED light activates automatically when the trigger is pulled to illuminate dark work areas.

5. What’s in the Box

• 1 x Impact Wrench (DCPB358).
• 2 x 20V / 4.0Ah Battery Packs.
• 1 x 2A Fast Charger.
• 1 x Impact Socket.
• 1 x Belt Clip.
• 1 x Heavy-Duty Plastic Carrying Case.

6. Warranty

1-Year Service Warranty included.