Replacement bolts on back of speaker?

Question

Hi, I'm pretty new to high-end audio equipment. I bought a pair of Soliloquy 6.3s a number of years ago and was pretty happy with them. After a couple of moves I lost several of the bolts that attach the speaker cables to the back of the speakers. I have had a hard time finding a replacement anywhere (since Soliloquy seems to be out of business) and most high-end electronic stores seem to not have an interest in helping. Is there a simple solution I'm missing? Like I said, I'm pretty new to the high-end audio world... so any help would really be appreciated.