ROUND CUTTER This bit is for round cutting and is sometimes referred to as a "ball end mill." The shank diameter is 16 mm and the diameter of the cutting edges is 14 mm, yielding an end radius of 7 mm. The total length is 70 mm, and the material is SK53, which is similar to 1095 carbon tool steel. One advantage of making your own tools is the freedom to make various sizes and styles, both standard and non-standard.The rake angle is 0 degrees. |