| Air compressor: | W3.2-7 |
|---|---|
| Product alias: | Rock drill |
| Impact energy: | 300 |
| Impact frequency: | 60 |
| Specifications: | 1.2 |
| Scope of application: | rock |
| Drilling depth: | 3-6 |
| Brand: | Shenzhen Duohui |
| model: | EHD20 |
| Drilling speed: | 0.8-2 |
| Hole diameter: | 27-89 |

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