This part of ISO 1641 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. It is not applicable to end mills and slot drills with cylindrical shank, which are dealt with in ISO 1641-1; it is not applicable to those with Morse taper shank, which are dealt with in ISO 1641-2. This part of ISO 1641 is not applicable to solid hardmetal end mills and slot drills.