
坚爵304不锈钢蝶形螺栓 手拧蝴蝶螺丝 羊角螺丝钉 元宝螺丝 m6

同时还供应各类国标螺栓,螺钉,螺母,垫圈,挡圈,膨胀螺栓,销,键,紧定

双圣碳钢蝶形48级国标蝶形螺栓m540紧固件螺栓

不锈钢蝶形螺栓,蝶形螺丝,蝶形螺钉,蝶形
图片内容是:蝶形螺栓国标号

蝶形螺母 圆翼gb/t62.1-2004

m3-m5〗304不锈钢蝶形螺丝din316蝶形手拧螺丝元宝羊角螺丝钉

厂家直销不锈钢蝶形螺母 304蝶形螺母 316国标元宝羊角螺母可定制

蝶形45m4m8m6m5m4蝴蝶螺栓不锈30mm35m4羊角蝶型螺丝丝手螺栓

9-2010 蝶形螺母 方翼 wing nuts -square wing