Hexagon Socket Head Cap Sems Screws
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| Model： | Hexagon Socket Head Cap Sems Screws |
| Features： | Can enhance the production efficiency and shorten assembling time |
| Material： | Alloy Steel SCM435 |
| Strength Grade： | 12.9 |
| Hardness： | HRC 39~43 |
| Surface Treatment： | Black Oxide |
| Specification： | M3~M10 |