Originally Posted by
FBinNY
They're designed to be threaded in from the inside of the dropout slot, and out the back. Then you add the knurled nut as a finger adjustment aid.
You know, I've never understood this. If adjusting with the knurled nut, you'd only be able to move the adjusters further in toward the BB; trying to move them away just unscrews the nut. Then you have to take the wheel out and awkwardly use a screwdriver to adjust them, IF the head of the screw hasn't been deformed by banging the axle against it when a wheel is inserted.
It makes a million times more sense to put the Phillips end on the outside, and the knurled nut on the inside. I can't help but think that the "right way" was a mistake fifty years ago and somehow stuck.