4 ms·Can anyone tell the difference between primary criteria 5.3 & 5.4?by foota 10y agoCan anyone tell the difference between primary criteria 5.3 & 5.4?JoBrad 10y ago5.3 requires a nut, while 5.4 is screwed without a nut.foota 10y agoI'm aware that's the actual difference, but couldn't you use the bolt without a nut if the hole were preformed like for 5.4?