A193 B7全螺纹螺柱-特氟龙 苏州不锈钢螺丝厂家全螺纹螺柱产品名称:A193 B
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国标GB /T13806.1-1992 GB13806.1 13806.1GB 精密机械用
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英标BS 3410-1961 BS3410 3410BS 美制和英制紧固件用精制倒角型大平
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德标DIN 65438-1993 DIN65438 65438DIN MJ螺纹钛合金十二角
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国标GB /T3098.19-2004 GB3098.19 3098.19GB 紧固件机械
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国标GB /T891-1986 GB891 891GB(GB891-1976) 螺钉紧固轴