Originally Posted by shelbyfv

Here is an interesting yet obscure fact: derailleur stop screws are not Phillips. Ever wonder why so many are buggered up? The derailleur screw does not have the indention needed to accept the point of a Phillips driver so there will not be complete contact, resulting in slip and strip. There is a name for the type of screw and a reason they are used but I can't remember.... Anyway, the point is to use a small flat head for limit screws.