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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UDC 621.882.6 | GB 31
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UDC 621.882.6 | GB 31
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UDC 621.882.6 | GB 32
产品名称 45#钢H
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六角头螺杆带孔铰制孔用螺栓GB-
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国标GB /T16939-1997 GB16939 16939GB 带孔大六角螺母
![六角头螺杆带孔螺栓-QC173[标准|规格]](http://www.posttic.com/d/file/biaozhun/2016-02-17/a577fcc886bc47e39410042456880075.jpg)
汽标QC 173 QC173 173QC(GB31.3)(GB5786) 六角头螺杆带孔螺
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