Where did you get the diamond drag bit? My Tormach came with a holder but no bits, takes 1/4" bits - not sure about the diamond angle (60, 90 or 120 degrees).
MC Etcher - Diamond Drag Bit
MC Etcher is our new diamond drag bit. It is perfect for fine line engraving on composites, metals, and glass. MC Etcher drags a diamond-coated, spring-loaded tip over the surface of your material to create an etched or engraved pattern, it does not cut with flutes like a normal endmill...
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