ISO 7046-2 - 1990 8.8 级、不锈钢及有色金属 十字槽沉头螺钉 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
ISO 5856 - 2008 航空航天 强度≤1100Mpa 金属材料 标准杆 短或中等长度MJ螺纹 偏十字槽 100°沉头螺钉 Aerospace - Screws, 100 degrees normal countersunk head, internal offset cruciform ribbed or unribbed drive, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensi