Aerospace — Bolts, reduced bihexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 275 MPa — Dimensions
航空和航天;有涂层或无涂层的金属材料长MJ螺纹、标准或中径杆、缩径双六角头螺栓 强度等级小于或等于1 275 MPa——尺寸