Originally Posted by
Andy_K
Hear! Hear!
I first became aware of the existence of JIS screws through searching this forum for advice on adjusting a B-screw without stripping the head. I bought a JIS screwdriver and it definitely fits better on both the limit screws and a B-screw, but I still have to take the load off the screws to be able to make adjustments without problems.
I asked a friend for suggestions with the B-screw and he recommended replacing it with a hex-head screw. I believe WolfTooth sells a long B-screw that has this feature, but I don't see any reason that I can't get a screw from the local hardware store to do this.
A typical cap screw may have a head that's too big, but a set screw would certainly fit. You have to make sure the set screw has the correct point, probably round point. For vee brakes, the screws are self threading into plastic, which might be harder to find in a hex head variety. I've seen some sort of blue goop on those screws, to keep them from wiggling loose, so a soft thread locker is probably needed.