The Dongcheng DPB20C Electric Impact Wrench is a heavy-duty corded power tool designed for fastening and loosening nuts and bolts in automotive workshops, mechanical maintenance, and industrial applications. With a rated power input of 340W and a maximum fastening torque of 294N·m, it delivers reliable performance for compatible fastening tasks.
The DPB20C operates at a no-load speed of 1,700 RPM and a rated impact frequency of 2,000 impacts per minute. Its 12.7 × 12.7mm (1/2-inch) square drive supports compatible impact sockets, while its specified bolt capacity of M12–M20 makes it suitable for a range of medium-duty fastening applications.
Designed for durability, the wrench features a rubber-covered front, a metal gearbox, and a rocker-type reversing switch for convenient direction control. With a net weight of 3.2kg, it is suitable for regular workshop and maintenance use.
The package includes a 24mm socket, socket pin, O-ring, carbon brushes, and a plastic carrying case.
Key Features
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340W Rated Power Input: Designed for regular fastening and loosening applications.
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294N·m Maximum Fastening Torque: Helps handle demanding compatible fastening tasks.
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1700 RPM No-Load Speed: Supports efficient tool operation.
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2000 Impacts per Minute: Provides repeated impact action for fastening work.
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12.7mm (1/2-Inch) Square Drive: Compatible with suitable impact sockets.
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M12–M20 Bolt Capacity: Designed for the specified bolt-size range.
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Rubber-Covered Front: Adds protection around the front section.
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Metal Gearbox: Built for durability during regular use.
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Rocker-Type Reversing Switch: Allows convenient switching between forward and reverse.
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Plastic Carrying Case: Helps with storage and transportation.
Applications
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Automotive repair and maintenance
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Workshop fastening and loosening operations
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Machinery assembly and disassembly
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Mechanical equipment maintenance
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Tightening and removing compatible nuts and bolts
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Industrial maintenance work
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Vehicle servicing with compatible sockets
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General mechanical repair applications
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Dongcheng |
| Model | DPB20C |
| Product Type | Electric Impact Wrench |
| Rated Power Input | 340W |
| No-Load Speed | 1700 RPM |
| Rated Impact Frequency | 2000 impacts/min |
| Bolt Capacity | M12–M20 |
| Square Drive | 12.7 × 12.7mm (1/2 inch) |
| Maximum Fastening Torque | 294N·m |
| Net Weight | 3.2kg |
| Power Source | Corded Electric |
| Front Design | Rubber-Covered |
| Gearbox | Metal |
| Reversing Switch | Rocker Type |
| Packaging | Plastic Case |
Model-Wise Specification Table
| Model | Power | Maximum Torque | Square Drive | Weight |
|---|---|---|---|---|
| Dongcheng DPB20C | 340W | 294N·m | 1/2 inch (12.7mm) | 3.2kg |


















