what you are doing is one of the best methods,you can get a 220/440 whichever applies die and thread the other ends,solder ends aren't a bad idea either just sand the ends to solder and they are pretty much on there until you heat them and take them off again.i have never had a solder end come loose.check at dubro web sight and also look at tower hobbies sights there are a lot of different of clevises and types