| Specification | Parameter |
| Brand | DONGCHENG |
| Model Number | DPB20S |
| Product Type | Corded Electric Impact Wrench |
| Rated Power Input | 450 Watts |
| Operating Voltage | 220–240V AC (50/60 Hz) |
| Square Drive Size | 12.7 x 12.7 mm (1/2" Anvil) |
| No-Load Speed | 1,800 RPM |
| Impact Frequency | 2,000 impacts/min |
| Maximum Fastening Torque | 300 – 350 N·m |
| Fastener / Bolt Capacity | M12 – M20 |
| Housing Construction | Cast Aluminum Nose Cone & Heavy-Duty Polymer Body |
| Best Used For | Automotive Garages, Steel Framework, Pre-Engineered Buildings & Machinery Overhauls |
Potent 300–350 N·m Torque Delivery: Delivers heavy rotational impact force to easily seat, torque down, or bust loose stubborn, rusted structural bolts and vehicle wheel nuts.
Continuous 450W High-Efficiency Motor: Runs on a 220–240V corded electric supply, offering uninterrupted operation without battery drops or compressor air line restrictions.
Rapid 2,000 Impacts Per Minute: Combines 1,800 RPM with 2,000 BPM to ensure fast threaded cycle times on heavy machinery, flange bolting, and scaffolding.
Universal 1/2" (12.7mm) Square Drive: Standard 12.7 x 12.7 mm anvil fits all commercial 1/2-inch impact-grade sockets, extension bars, and universal joint attachments.
M12–M20 Broad Bolt Capacity: Engineered specifically to service medium to large industrial fasteners ranging from M12 up to M20 across job sites in Nepal.