heat up the plastic bit it comes with over gas stove, whilst warm force it to thread into a plastic angle adapter as best you can, drill small hole either side of the angle adapter where its threaded into it and put two self tapping screws in to secure it, wrap some insulating tape over it.
Now when the pole has had it and you buy a new one half the jobs done, you just unscrew from old pole and screw onto a new one.