Wenzhou Jinjiu Fastener Co.,Ltd.
温州市金久紧固件有限公司
| grade, rigidity | grade 8.8 |
| Coating | black oxide coating |
| 材料：碳钢，等级：4.8、8.8、10.9级；表面处理：发黑，公称直径6-48MM，公称长度：30-300MM material: carbon steel, Grade: 4.8, 8.8, 10.9; Surface treatment: black, nominal diameter 6-48 MM, nominal length: 30-300 MM |
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