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DHW Impact Wrench
Three hydraulic impact wrenches covering 3,000 to 5,000 Nm across 3/4″ and 1″ square drives, with adjustable torque control and an ergonomic handle.
Categories: Bolting and Torque Tools, Impact Wrenches
Brand: DOA
Additional Information
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The DHW Impact Wrench range delivers heavy-duty hydraulic impact torque for mechanical and industrial workshops, infrastructure, and railway applications. It suits oil and gas, mining, and cold-weather sites where no air supply is available. Three models cover 3,000 to 5,000 Nm across 3/4″ and 1″ square drives, with adjustable torque control and a 3-jaw hammer mechanism.
Key Features
- Adjustable torque control suits a wide range of bolt sizes and applications.
- 3-jaw hammer mechanism delivers reliable, repeatable impact performance.
- Motor cover with heat dissipation supports sustained use in demanding conditions.
- Manual inverter for tightening and loosening.
- Ergonomic handle, made entirely of Ergal, with integrated oil flow.
- Mechanical lever with safety lever for controlled operation.
- Underwater and extended-shaft versions available on select models.
Typical Applications
- Mechanical and industrial workshops
- Infrastructure and railway maintenance
- Oil and gas, and mining sites
- Cold workplaces without air supply
Range Overview
| Model | Square Drive | Bolt Range | Max Torque | Weight |
|---|---|---|---|---|
| DHW 3034 | 3/4″ | M14 – M24 | 3,000 Nm | 7.6 kg |
| DHW 301 | 1″ | M18 – M33 | 3,000 Nm | 7.7 kg |
| DHW 501 | 1″ | M18 – M36 | 5,000 Nm | 8.8 kg |
DHW Impact Wrench Specifications
| Spec | Detail |
|---|---|
| Hammer Mechanism | 3-jaw |
| Handle Material | Ergal, ergonomic with integrated oil flow |
| Torque Control | Adjustable |
| Optional Versions | Underwater, extended shaft (model dependent) |





