ISO 3185:2021 航空航天系列. 強度等級小于或等于1100MPa、有涂層或無涂層、金屬材料制成、短或中等長度MJ螺紋、標稱桿、普通12角頭螺栓. 尺寸
Aerospace - Bolts, normal bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions