Clear bat top for Ultrastik 360 problem

[MydknyteStyrm]

I just ordered four of these clear bat tops

http://arcadeshock.com/collections/balltops/products/sanwa-denshi-lb-30n-cw-clear-bat-top

for my Ultrastik 360s, and of course they dont fit right. The threaded brace inside the bat top is way smaller than the thread on the shaft of the Ultrastik (long shaft).

I think that the adapter was put into the bat top and made it smaller. I was wondering if anyone has dealt with something similar. I already emailed ArcadeShock.com to see if they can make clear bat tops without the smaller threaded brace, and if not, then maybe I can drill out the brace inside the bat top, and retrofit it onto my existing 360 shaft.

Does anyone know of another source to get clear bat tops that will fit the Ultrastik shaft. I dont want to replace the shaft because I'd be afraid that it wouldnt work with the existing hardware. Thanks for any information you all can provide.