Countersunk flat head screws with cross recess—Part 1: Property class 4.8
MOD ISO 7046-1:2011
全国紧固件标准化技术委员会(SAC/TC 85)
GB/T 819的本部分规定了4.8级十字槽沉头螺钉的型式尺寸、技术条件和标记。
本部分适用于螺纹规格为M1.6～M10、性能等级为4.8、产品等级为A级的H和Z型十字槽沉头螺钉。
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