ISO 1641-3:2011

ISO 1641-3:2011 specifies the general dimensions and designation of the following milling cutters with 7/24 taper shanks:
- end mills, flat-ended or ball-nosed - normal series and long series (manual changers);
- slot drills - short series and normal series (manual changers);
- end mills, flat-ended - normal series and long series (automatic changers).
Tool shanks with 7/24 taper for manual tool changers are in accordance with ISO 297. Tool shanks with 7/24 taper for automatic tool changers are in accordance with ISO 7388-1 and ISO 7388-2.