This Busch Cup Burr has a 2.35mm shank that can be used with most pendant drills and micromotors. The external diameter of the cup is 1.00mm and the internal diameter is 0.85mm.
Busch Twincut Cup Burrs 411T (Concave Cutter) are a pioneering Concave Burr. This 3-in-1 precision tool allows you to safely round off, shorten and smooth prongs in one easy step, designed with twins slots allow the clean removal of swarf when cutting.
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