My riller bar is wearing out from running across the hard steel edges. Tognar isn't selling new bars so I've been looking for options. Anybody use brass all-thread backed by a block of wood in lieu of a riller bar? I'm thinking of trying a 4-40 for fine structure and a 10-28 or 10-32 thread for a course structure. I just wanted to know if anybody else has tried this.
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4/1/10 at 11:31am