16mm 90deg Spindle Wire Conduit

After upgrading my Shapeoko3 to a big fat 2.2kw water cooled spindle, I came to realize the double-shielded 4-conductor wire I purchased for it (Belden 29500) was a little bit too big. I know a lot of people had problems finding a decent cable to fit the aviator adapter that came with the spindle.

I ended up having to drill out the opening on the aviator plug to just have the 4-wires fit through, and this did not include the outer covering. It's just too damn big. Even then it was a VER