The Hub

I have an epiphone 335 style guitar on the bench right now. Bad fret buzz on the first frets. No relief in the neck. Pretty Clear its a trussrod adjustment and out the door it goes. But the truss rod is stripped out pretty bad. My 4mm allen fits, in but it has a lot of wiggle. My 5/32" allen doesnt slide in all the way. I dont have a full set of torx wrenches. But i thought that might get some grip. What is the best way to get this thin…