funky_monkey58;1432789 said:I planned on annodizing the block to give me a harder surface for grabbing. I also used a coarse tap to give it some good bite, and will be using industrial strength lock tite.
It is not all set in stone so changes can (and likely will) be make.
I wouldn't unless I could get 2.5>3d thread engagement, I made my adaptors out of steel for this reason as the design I ended up with in 6061 would have been close to the same weight as the steel parts I ended up with.