I agree that two screws should be enough, but take one of those screws out, and go to a small mom and pop hardware store. Match the threads. They will show you how to do it. It will be metric threads, and get the correct length. Not something too long, if anything go a little short.
Another source is google boltdepot.com. These guys seem to have nearly everything, but it will be a $5.00 bolt.
Another source is google boltdepot.com. These guys seem to have nearly everything, but it will be a $5.00 bolt.
