[QbUOTE="Ulma Doctor, post: 501180, member: 22605"]Derrick is much smarter than i,[/QUOTE]
I don't think so Mike ,I learned about drive screws when refurbishing the SB 10L.
You can get them , msc ,Mc master ,should have them , but you'll need the concave driver so the heads don't get a flat on them.