| Customization: | Available |
|---|---|
| Material: | Carbon Steel, Alloy Steel |
| Type: | Hexagon Head |
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| Grade | 4.8,6.8,8.8,10.9,12.9 |
| Size | M4-M64 |
| Finish | Galvanized,YZP |
| Material | Carbon Steel,Alloy Steel |
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