What is the tolerance of riveting holes in aircraft?

6.3 microns. According to relevant public information, the tolerance of aircraft riveting hole is 6.3 microns, which controls the quality of parts, ensures the assembly quality of fuselage, reduces the difficulty for the subsequent assembly process, and ensures the riveting quality of aircraft parts as a whole. An airplane is an airplane that is heavier than air. It has a power plant, one or more engines generate forward thrust or pull, and the fuselage has fixed wings to generate lift, flying in the upper, middle and lower atmosphere.