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| Product alias: | Pneumatic drill |
|---|---|
| Scope of application: | Land for railway and highway construction |
| Hole diameter: | 70（mm） |
| Drilling speed: | 250（mm/min） |
| Impact energy: | 25J |
| characteristic: | Only broken |
| Impact frequency: | 37（Hz） |
| Specifications: | YN27P internal combustion rock drill |
| Drilling depth: | 5（m） |
| Brand: | Hongji |
| model: | YN27 |
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