Finally got around to building mine, and sadly I have the same issue with the screw holes as well as a diode that popped off in transit. Fixed the diode easily, but what's the recommended method for widening the screw holes to spec? Can I drill out the hole without it melting or ruining a bit?
Also I'm finding it very difficult to keep the nut aligned while also preventing it from falling out. I'm going to just put a piece of clear tape over the slot.
Dremel or small circular file. Weird that people are experiencing this, I had 5 extras for myself/local friends, and none of them had the screw issue.
For the nuts, I suggest slotting them, screwing into them a bit so they are aligned, and pouring a dab of white/hot glue in there to keep em in place. Do one side, leave it for half hour, flip it and do the other.