ISO 7046-2 - 1990 8.8 级、不锈钢及有色金属 十字槽沉头螺钉
等效标准:ISO7046-1-1994,DIN965-1990
Cross Recessed Countersunk Flat Head Screws(common Head Style) - Grade A - Steel Of Property Class 8.8,stainless Steel And Nonferrous Metals
ISO 7046 (-1) - 2011 4.8级十字槽沉头螺钉 Countersunk Flat Head Screws(Common Head Style)With Type H Or Type Z Cross Recess- Product Grade A-Steel Screws Of Property Class 4.8