Solder the lugs onto the coax. The utility lighter is a great tool for this. I like it better than the
soldering iron-- no wires.

If you are not going to be running more than 500 watts of transmitter power output, you can
use RG 58 coax instead of RG 213 and it is much easier to work with.
Step 3 photo 8
Hex beam by K4KIO