Hi Fender, I'm looking for a method to flush-mount a 2.1mm recharge port into an MHS section (especially the 7" ones). I could use a PVC C-clip to hold it in place but I would prefer to use a threaded hole in the hilt. I guess that's what you do but I can't figure out how. Do you know how to turn it off tightly from the inside? Thanks in advance for taking some time replying. Tom.