Blechmutter
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圆型涨铆螺母和六角涨铆螺母，广泛应用于金属板材、控制箱及电源柜等产品壁板的镶嵌工艺。
Round up rivet nuts and hex nuts, rose to rivet widely applied in the metal plate, control box and power of products such as ark of wall plate enchase craft.
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