HSS-Co VariPro Countersink TiAlN 90° 12.
This are the new NogaMT HSS-Co Countersinks with a special cutting flute geometry and provided with a TiAlN coating. They all have a special 4 unequal devided flutes! This VarioPro Line has a 3 flat surface shaft which gives a 100% protection against slipping in the chuck. This countersinks you can use for hard materials like HARDOX.