中国国家标准名称（2-3） 共有 0 条回复件 ... 十字槽沉头螺钉 第2部分: 钢8.8、不锈钢A2-70和有色金属CU2或CU3 Cross recessed countersunk flat head screws(common head style)--Grade A--Part 2: Steel of property class 8.8stainless steel and non-ferrous metals 十字槽半沉头螺钉 Countersunk raised head screws (common head style) with type H or type Z cross recess--Product grade A 方头倒角端紧定螺钉 Square set screws with chamfered end ...
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