ISO 3186:2008
航空航天系列.强度等级1250MPa~1800MPa、有涂层或无涂层、金属材料制成的、标称杆、短或中等长度MJ螺纹、双六角头螺栓.尺寸
Aerospace - Bolts, large bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes 1250 MPa to 1800 MPa - Dimensions