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I'm going to be attempting to use a .5mm (0.0197") ballmill on some titanium for removing material in between bosses as well as doing some surfacing. I have never used anything close to this small and was just wondering if it's even possible. Anyone go this small?

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D-style inserts, also known as diamond-shaped inserts, or diamond 55° rhombic inserts, are versatile cutting tools widely used in several operations including turning. The inset shape is engineered with four cutting edges and are available in carbide, cermet, and carbide. WIDIA Victory D-style inserts are great for roughing, finishing, and profiling tasks. They are commonly used where achieving tight tolerances are essential.