axis

Question about how far down I can lower the knee. I'm using a chuck on my rotary table and a boring head. I have barely enough room left to get tooling in. Had to use a short 3" boring bar. I can see another 2 inches of shiny ways below where the knee is stopped by the limit switch. Is there...

While the Z is out in the open, i've found the X and Y axis locking screw handles to be a bit awkward. I had bought new bolts and had planned to weld wing nuts on the ends but when I removed the x/y lock bolts and unscrewed the handles off of the bolts , I thought the little screws might aid me...