Wenzhou Jinjiu Fastener Co.,Ltd.
温州市金久紧固件有限公司
| material | Carbon steel |
| Coating | black oxide coating |
| 材质：碳钢，等级：8.8级；表面处理：发黑、镀白锌，公称直径：M6-M48，公称长度：6-50mm Material: carbon steel, Grade:4.8, 6.8, 8.8; Surface treatment: black, white zinc plating, nominal diameter: M6-M48, nominal length: 6- |
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