Does anyone have an extra mounting screw for a Slingerland Radio King butt plate or 3-point strainer? I've got the nut, I just need the screw. There are 15 of these needed for my drum and I only have 14 screws. If I knew the size and threading of these screws I could try a search. Anyone have an idea what size these are?

http://www.flickr.com/photos/11091606@N03/10602480186/

Thanks!