Made of wear-resistant highly compressed fine-granular tungsten. Used for vibration-free milling of high accuracy dimensions. It is advisable to secure workpieces well, avoiding accidents. For milling steel, cast steel, non-ferrous metals, plastics and extremely hard materials. May be used for technical work, for engraving and milling of PC cards. Shafts Ø 3.0 or 2.35mm. Here also we recommend the use of MICROMOT steel collets.