Replacing the stock jumpers on my B&W's

I need some help. I'm trying to replace the stock jumper plates on my CDM9's. I have some left over OFHC speaker wire that should work well. I'm currently using banana plugs into one set of terminals now from the amp. Bare wire won't work. The screw down terminal nuts aren't wide enough to hold the wire. I want to use spades. Problem is I can't find any spades that fit the binding posts. I believe the binding posts are approximately 7/16" or 11mm wide, fatter than the 3/8" spades that I've found so far (kimber and others). Anyone have any ideas? I don't want to biwire the speakers.