美利体育登录入口官网:ISO 3185:2021
航空航天系列. 强度等级小于或等于1100MPa、有涂层或无涂层、金属材料制成、短或中等长度MJ螺纹、标称杆、普通12角头螺栓. 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