KS W ISO 9255-2005 航空航天系列.强度等级小于或等于1100MPa、有涂层或无涂层、金属材料制成的、标称杆、短或中等长度MJ螺纹、标称键头螺栓.尺寸
Aerospace－Bolts, normal spline 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