• 6.3mm, 10.4mm, 16.5mm, 20.5mm
  • Three Flute Countersink 90°, DIN 335, UNI
  • Countersinking / Counterboring screw holes for Countersunk screws acc. to DIN 963, 964, 965, 966, 7513, 7516 For Countersunk screws acc. to ISO 2009, 2010, 7046-1, 7046-2, 7047
  • Chamfering of tapping holes
  • For use in machine applications. Type N – For non-ferrous, Type UNI – For difficult to machine materials