ISO 7046-2 - 1990 8.8 級、不鏽鋼及有色金屬 十字槽沉頭螺釘
等效标準: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級十字槽沉頭螺釘 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