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Through bolt stud for rock bolt breaker
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| Application | hydraulic rock breaker |
| Standard | clients’ requirements |
| Material | 42CrMoA、40Cr |
| Property class | 8.8、10.9、12.9 |
| Specification | M27-M64 |
| Length | 100-4000mm |
| Coating | oil、black、dacromet 、zinc spray |
| Advantage | High performance, factory standards much higher than customers’ requirements |
