Wenzhou Jinjiu Fastener Co.,Ltd.
温州市金久紧固件有限公司
| material | Carbon steel |
| grade, rigidity | grade 8.8 |
| 材料：碳钢，等级：4.8、6.8、8.8级；表面处理：发黑、镀白锌，公称直径：M4-M12，公称长度：6-50mm Material: carbon steel,Grade: 4.8, 6.8, 8.8 ; Surface treatment: black, white zinc plating, nominal diameter: M4-M12 |
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