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ShangHai ZhiYou Hardware Co.,Ltd
上海志宥五金有限公司
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5 Years
Main Products
Hex flange bolts
Inner hex flange screws
Lock nuts
Lock washers
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(GB 849 - 1988)
material
Carbon steel
材料：碳钢、不锈钢；表面处理：镀锌、发黑、洗光、达克罗；等级：Q235、45#、304、316；公称直径：M4-M64
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Similar Products
DIN 6319 (C) - 2001
HG /T 21573.4 - 1995
