As Lookin up says, use solder clevises. You can use the solder clevises that came with the kit and solder them to the servo end of the rods you bought. Z bends work OK, but if you don't make good Z bends, you'll end up with slop in the linkages, and since you spend extra money to buy the steel rods to avoid slop...

Need help soldering? Read this http://webpages.charter.net/rcfu/Hel...echSolder.html

I noticed today that both my local hardware stores had nifty little pencil type propane torches for under ten bucks, so really, there is no excuse not to buy a little torch and learn to solder. You will find that soldering skill comes in really handy as you build more airplanes.