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  1. CasterMan

    High Quantity Soft Metal Drilling

    I have built a CNC drilling unit which drills EEG medical electrodes. It calls for a # 49 drill bit. The electrode is made of pure silver and very soft. The depth required is .245 to .250. The neck is dia is .087 to .092. These are lost wax cast and the machine (theoretically) handles about...

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