The wall thickness of the tube, as @Howard states, is almost certainly too thin to tap any sort of useable thread into it. It is the reason why threaded inserts exist.
Got you, I didn't make myself very clear but I think you're right that a threaded insert, rather than threading the existing material is the best bet. Thanks for the advice!
The wall thickness of the tube, as @Howard states, is almost certainly too thin to tap any sort of useable thread into it. It is the reason why threaded inserts exist.