CNC End Mill Comparison Guide | MatterHackers
WEBFeb 18, 2020 · BallNose End Mills. Ballnose end mills have a domeshaped tip. These excel at highdetail contours like relief artwork or mold and die making, but have what is known as "scalloping." ... but leaving a clean bottom surface as it mills through it. If a smooth bottom to a pocket is the goal, upcut is generally the ideal choice. A "downcut ...