| Customization: | Available |
|---|---|
| Material: | Carbon Steel, Alloy Steel |
| Type: | Hexagon Head |
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| Standard | DIN ISO GB |
| Size | M5-M20,10mm-200mm |
| Grade | 4.8, 8.8, 10.9, 12.9 |
| Finish | Black |
| Material | Carbon Steel, Alloy Steel |
| Place of Origin | Zhejiang China |
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