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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
Lock nuts
Lock washers
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(DIN 7967 - 1970)
material
High-carbon steel
材料：65Mn、304；表面处理：白锌/达克罗/久美特、洗光；公称直径： M4-M52
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Similar Products
GB 805 - 1988
UNI 8835 - 1985
