If the screw holes are a bit loose you can also run some thin CA down into them. Give the CA PLENTY of time to cure and then re-insert the screws. This can help tighten up a loose screw hole. But trust me when I say to leave plenty of time for the CA to cure before putting the screw in. If you put the screw in with the CA still "wet" you will probably never get that screw out again. [:@]

Ken