You can pick up a cheap sgian dubh blank from www.atlantacutlery.com . Not the best piece of steel, but certainly adequate for most uses. They're a stick tang, witht the last inch or so threaded. I've used them to make a few sgians. I usually use epoxy if I'm using wood for the handle. If I'm using antler, I usually use poured pewter for the bolster and the pommel, and that tends to hold the blade securely.