Cant remove my castle nut set scew. I dont know if I am using the right allen wrench or not I believe its supposed to be 1/16 but just spins. Under the magnifying glass it does not look stripped. I believe I have all the sizes there are, metric and standard. But none seem to work. Anybody know the proper size. If the socket head is stripped I'll JB weld or epoxy a allen wrench into it and try to get it out that way and sacrifice the screw. Any suggestions on where find a new set screw.