Thanks for all the input.
Grinder, Im planning on doing internal cables as well and want to hide everything.
DocT, Im still working it out in my head, but its looking like it will be either a 7/8 or 1in. bolt hollowed out to about 9/16
Vic, thanks for the heads up on getting them out, will just go to my buddies machine shop and use his 50K press
it'll be like butta