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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
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Hex flange bolts
Inner hex flange screws
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(GB /T 2674 - 2017)
material
Carbon steel
材料:碳钢、合金钢、不锈钢;表面处理:镀锌、发黑、镀镍、达克罗;等级:4.8、8.8、10.9、304;公称直径:M2-M10
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